Mackie VLZ3 4BUS User Manual

VLZ3 4•Bus

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LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

PAD

-20dB

LOW CUT

100 Hz

18dB/OCT

AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUXAUX

2404

M

UT

E

1

M

UT

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17

EQ

PAN

EQ

PAN

EQ

PAN

EQ

PAN

EQ

PAN

EQ

PAN

EQ

PAN

EQ

PAN

EQ

PAN

EQ

PAN

EQ

PAN

EQ

PAN

EQ

PAN

EQ

PAN

EQ

PAN

EQ EQ EQ EQ EQ EQ

PAN PAN PAN PAN BAL BAL

EQ

PAN

RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL RLRL

INT FX

AUX 5/6

PRE

HI

12k

LOW

80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW

80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW

80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW

80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW

80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW

80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW

80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW

80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW

80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW

80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW

80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW

80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW

80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW

80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW

80Hz

MID

FREQ

INT FX

AUX 5/6

PRE

SOLO

LEFT

TAP

DELAY

INT FX

MUTE

INT FX

AUX 5/6

PRE

HI

12k

LOW

80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW

80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW

80Hz

MID

HI

12k

LOW

80Hz

MID

HI

12k

LOW

80Hz

HI

12k

LOW

80Hz

LOW

MID

400Hz

HI

MID

2.5k

LOW

MID

400Hz

HI

MID

2.5k

INT FX

AUX 5/6

PRE

INT FX

AUX 5/6

PRE

INT FX

AUX 5/6

PRE

HI

12k

LOW

80Hz

MID

FREQ

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

PUSH

TO TALK

TALKBACKGROUPS

MAIN

RIGHT

AUX 1-4

STEREO

RIGHT

SOLO

LEFT

TO AUX 1

TO AUX 2

SOLO

PHONES

MONITOR

TAP

DELAY

INT FX

MUTE

TO AUX 1

TO AUX 2

RIGHT

SOLO

STEREO

LEFT

RIGHT

SOLO

LEFT

SEND MASTERSEND MASTER

TO MAINTO MAIN

FX

2

FX

1

1 2 3 4

MAIN MIX

SOLO

1

SOLO

1

2

3

4

2

SOLO

SOLO MODE

MAIN

FX 1

USB

STEREO RETURNSAUX MASTERS

SOLO

+15

OO

+15

OO

+15

OO

SOLO

U

MAX

OO

U

MAX

OO

U

MAX

OO

FX 2

U

MAX

OO

U

MAX

OO

SIG/OLSIG/OL

AUX

MAIN

MIX

0 dB=0 dBu

RUDE SOLO

20

10

7

4

2

0

2

4

7

10

20

30

LEFT RIGHT

SOLO

MAX

OO

U

MAX

OO

U

MAX

OO

U

MAX

OO

U

MAX

OO

U

MAX

OO

U

+20

OO

TO MAIN

PFL

AFL

GRP 1-2

CH 1-2 CH 3-4

AUX 5-6

PWR

48V

TAPE

USB

2-TRACK RETURN USB OUT

GRP 3-4

MAIN L/R

LEVEL

SET

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U U

MAX

OO

OFF MAX

COMP

OFF MAX

COMP

OFF MAX

COMP

OFF MAX

COMP

LEVEL

U

+15

OO

3

1

5

6

2

U

+15

OO

U

+15

OO

+15

OO

U

+15

OO

U

4

U

+20-20

U

+20-20

12V

0.5A

50%

25% 75%

0% 100%

SUCK

OFF MAX OFF MAX OFF MAX OFF MAX

COMP COMP COMP COMP

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

SOLO

3-4

1-2

L/R

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15

U

+15

-15 +15

U

OL

SIG

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

dB

30

20

10

OO

40

50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40

50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40

50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40

50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40

50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40

50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40

50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40

50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40

50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40

50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40

50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40

50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40

50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40

50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40

50

5

U

60

10

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15

U

+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15

U

+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15

U

+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15

U

+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15

U

+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15

U

+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15

U

+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15

U

+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15

U

+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15

U

+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15

U

+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15

U

+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15

U

+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15

U

+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15

U

+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15

U

+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15

U

+15

-15 +15

U

2k

800

200

8k100

U

-15

U

+15

-15 +15

U

-15 +15

U

-15 +15

U

-15 +15

U

-15 +15

U

-15 +15

U

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

0 60

-45dB+15dB

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

dB

30

20

10

OO

40

50

5

U

60

10

dB

30

20

10

OO

40

50

5

U

60

10

dB

30

20

10

OO

40

50

5

U

60

10

dB

30

20

10

OO

40

50

5

U

60

10

dB

30

20

10

OO

40

50

5

U

60

10

SIG

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40

50

5

U

60

10

SIG

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40

50

5

U

60

10

SIG

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40

50

5

U

60

10

SIG

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40

50

5

U

60

10

SIG

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40

50

5

U

60

10

SIG

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40

50

5

U

60

10

SIG

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40

50

5

U

60

10

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15

U

+15

-15 +15

U

M

I

C

G

A

I

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2404

USB

L

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TAPE

OUTIN

MONO

MAIN OUT

INSERT LINE

TIP=SEND

RING=RETURN

(BAL/UNBAL)

RIGHT

MAIN OUT

INSERT LINE

LEFT

MAIN OUT

INSERT LINE

TIP=SEND

RING=RETURN

TIP=SEND

RING=RETURN

(BAL/UNBAL) (BAL/UNBAL)

TALKBACK

MIC

POWER

ON

PHANTOM

ON

2 1 2 16 5 4

2 16 5 4

AUX INSERTS

(TIP=SEND, RING=RETURN)

AUX SENDS

(BAL/UNBAL)

L

R

(MONO)

STEREO RETURNS

(BAL/UNBAL)

3

INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT IN SERT INSERT INSERT INSERT INSERT INSERT INSER T INSERT INSERT INSERT

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

20 19 18 17 16 15 14 13 12 11 9 8 7 6 5 4 3 2 110

MIC 20 MIC 19 MIC 18 MIC 1 7 MIC 16 MIC 15 MIC 14 MIC 13 MIC 12 MIC 11 MIC 10 MIC 9 MIC 8 MIC 7 MIC 6 MIC 5 MIC 4 MIC 3 MIC 2 MIC 1

X

D

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2

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3 2 14

GROUP OUTS

(BAL/UNBAL)

GROUP INSERTS

(TIP=SEND, RING=RETURN)

3 2 14

MONITOR

(MONO)

PHONES

MONITOR

L

R

L

R

23/24 21/22

(MONO)

(BAL/UNBAL) (BAL/UNBAL)

REVISION

SERIAL NUMBER

WARNING:

TO REDUCE THE RISK OF FIRE OR ELECTRIC

SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR

MOISTURE. DO NOT REMOVE COVER. NO USER SERVICEABLE

PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.

AVIS: RISQUE DE CHOC ELECTRIQUE — NE PAS OUVRIR

LEVEL

OUTPUT

OO

+6

24/32-Channel Premium FX Mixer with USB

OWNER’S MANUAL

2 VLZ3 4•Bus

Important Safety Instructions

PORTABLE CART

WARNING

CAUTION AVIS

RISK OF ELECTRIC SHOCK. DO NOT OPEN

RISQUE DE CHOC ELECTRIQUE. NE PAS OUVRIR

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER (OR BACK)

NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL

ATTENTION: POUR EVITER LES RISQUES DE CHOC ELECTRIQUE, NE PAS ENLEVER LE COUVERCLE.

AUCUN ENTRETIEN DE PIECES INTERIEURES PAR L'USAGER.

CONFIER L'ENTRETIEN AU PERSONNEL QUALIFIE.

AVIS: POUR EVITER LES RISQUES D'INCENDIE OU D'ELECTROCUTION, N'EXPOSEZ PA S CET ARTICLE

A LA PLUIE OU A L'HUMIDITE

The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated "dangerous voltage" within the product's enclosure, that may be of sufficient magnitude to constitute a risk of electric shock to persons.

Le symbole éclair avec point de flèche à l'intérieur d'un triangle équilatéral est utilisé pour alerter l'utilisateur de la présence à l'intérieur du coffret de "voltage dangereux" non isolé d'ampleur suffisante pour constituer un risque d'éléctrocution.

The exclamation point within an equilateral triangle is intended to alert the user of the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.

Le point d'exclamation à l'intérieur d'un triangle équilatéral est employé pour alerter les utilisateurs de la présence d'instructions importantes pour le fonctionnement et l'entretien (service) dans le livret d'instruction accompagnant l'appareil.

1. Read these instructions.

2. Keep these instructions.

3. Heed all warnings.

4. Follow all instructions.

5. Do not use this apparatus near water.

6. Clean only with a dry cloth.

7. Do not block any ventilation openings. Install in accordance with the

manufacturer’s instructions.

8. Do not install near any heat sources such as radiators, heat registers,

stoves, or other apparatus (including ampliﬁers) that produce heat.

9. Do not defeat the safety purpose of the polarized or grounding-type

plug. A polarized plug has two blades with one wider than the other. A grounding-type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not ﬁt into your outlet, consult an electrician for replacement of the obsolete outlet.

10.

Do not overload wall outlets and extension cords as this can result in a

risk of ﬁre or electric shock.

11.

Protect the power cord from being walked on or pinched particularly at

plugs, convenience receptacles, and the point where they exit from the apparatus.

12.

Only use attachments/accessories speciﬁed by the manufacturer.

13.

Use only with a cart, stand, tripod, bracket, or

table speciﬁed by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.

14.

Unplug this apparatus during lightning storms or

when unused for long periods of time.

15.

Refer all servicing to qualiﬁed service personnel. Servicing is required

when the apparatus has been damaged in any way, such as powersupply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.

16.

This apparatus shall not be exposed to dripping or splashing, and no

object ﬁlled with liquids, such as vases or beer glasses, shall be placed on the apparatus.

17.

This apparatus has been designed with Class-I construction and must

be connected to a mains socket outlet with a protective earthing connection (the third grounding prong).

18.

This apparatus has been equipped with a rocker-style AC mains power

switch. This switch is located on the rear panel and should remain readily accessible to the user.

19.

The MAINS plug or an appliance coupler is used as the disconnect device, so the disconnect device shall remain readily operable.

20. NOTE: This equipment has been tested and found to comply with the

limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorientorrelocatethereceivingantenna.

• Increasetheseparationbetweentheequipmentandthe

receiver.

• Connecttheequipmentintoanoutletonacircuitdifferentfrom

that to which the receiver is connected.

• Consultthedealeroranexperiencedradio/TVtechnicianfor

help.

CAUTION: Changes or modiﬁcations to this device not expressly

approved by LOUD Technologies Inc. could void the user's authority to operate the equipment under FCC rules.

21. This apparatus does not exceed the Class A/Class B (whichever is

applicable)

limits for radio noise emissions from digital apparatus as set out in the radio interference regulations of the Canadian Department of Communications.

ATTENTION — Le présent appareil numérique n’émet pas de bruits

radioélectriques dépassant las limites applicables aux appareils numériques de class A/de class B (selon le cas) prescrites dans le réglement sur le brouillage radioélectrique édicté par les ministere des communications du Canada.

22.

Exposure to extremely high noise levels may cause permanent hearing

loss. Individuals vary considerably in susceptibility to noise-induced hearing loss, but nearly everyone will lose some hearing if exposed to sufﬁciently intense noise for a period of time. The U.S. Government’s Occupational Safety and Health Administration (OSHA) has speciﬁed the permissible noise level exposures shown in the following chart.

According to OSHA, any exposure in excess of these permissible limits

could result in some hearing loss. To ensure against potentially dangerous exposure to high sound pressure levels, it is recommended that all persons exposed to equipment capable of producing high sound pressure levels use hearing protectors while the equipment is in operation. Ear plugs or protectors in the ear canals or over the ears must be worn when operating the equipment in order to prevent permanent hearing loss if exposure is in excess of the limits set forth here:

Duration, per day in hours 8 90 Duo in small club 6 92 4 95 Subway Train 3 97 2 100 Veryloudclassicalmusic

1.5 102 1 105 Johnny Boy screaming at Troy about

0.5 110

0.25 or less 115 Loudest parts at a rock concert

Sound Level dBA, Slow Response

Typical Example

deadlines

WARNING — To reduce the risk of ﬁre or electric shock, do not

expose this apparatus to rain or moisture.

Correct disposal of this product. This symbol indicates that this product should not be disposed of with your household waste, according to the WEEE Directive (2002/96/EC) and your national law. This product should be handed over to an authorized collection site for recycling waste electrical and electronic equipment (EEE). Improper handling of this type of waste could have a possible negative impact on the environment and human health due to potentially hazardous substances that are generally associated with EEE. At the same time, your cooperation in the correct disposal of this product will contribute to the effective usage of natural resources. For more information about where you can drop off your waste equipment for recycling, please contact your local city ofﬁce, waste authority, or your household waste disposal service.

Owner's Manual 3

Quick Start

We realize that you must be really keen to try out your new mixer. Please read the safety instructions on page 2, then have a look through some of the features and

details in this manual.

Setup

Use the mixer in a nice clean and dry environment,

free from dryer lint and dust bunnies.

Zero the controls

1. Fully turn down all the knobs to minimum, except for the channel EQ and pan controls, which should be centered.

2. Make sure all buttons are in the out position.

Connections

1. Make sure the AC power switch is off before making any connections.

2. Push the linecord securely into the IEC connector on the rear panel, and plug it into a 3-prong AC outlet. The mixer can accept AC voltage ranging from 100 VAC to 240 VAC.

3. Plug a balanced microphone into one of the mic XLR (3-pin) connectors. Or connect any line-level signal (keyboard, or guitar preamp) to a line input jack using a TS or a TRS 1/4" plug.

4. If your microphone requires phantom power, turn on the 48V phantom power button.

5. All mono channels have insert jacks that can be used to connect an external effects or dynamics processor into the signal chain.

6. Connect the main outputs of the mixer (either XLR or TRS 1/4") to the line level inputs of your ampliﬁer (with speakers already attached) or to the line level inputs of powered speakers.

any

Set the levels

It’s not even necessary to hear what you’re doing to set optimal levels. But if you’d like to: Plug headphones into the phones output jack, then turn up the phones knob just a little.

1. Turn on the mixer by pressing the top edge of the power switch.

2. For one channel, press the solo switch in, and the rude solo light will turn on.

3. Play something into that input at real-world levels.

4. Adjust that channel's gain control until the right main meter stays around the 0 dB LED (marked "level set").

5. Disengage the channel's solo switch.

6. Repeat steps 2 to 5 for the remaining channels.

7. Turn up the channel fader to the "U" mark.

8. Slowly turn up the main mix fader until you hear the signals in your headphones.

9. If needed, apply some channel EQ wisely.

10. Adjust the channel levels to get the best mix. Keep the gain controls and levels fully down on unused channels.

11. During the performance, if you notice a channel OL LED turning on during peaks, carefully turn down that channel's gain control until OL does not turn on.

Other Notes

• Whenshuttingdown,turnoffanypower

ampliﬁers or powered speakers ﬁrst. When powering up, turn them on last. This will reduce the chance of turn-on or turn-off thumps.

• Alwaysturndownthephoneslevelwhen

making connections, pressing solo, or doing anything that may cause loudness in the headphones. This will help protect your hearing.

• Alwaysturndownthemainmixleveland

monitor level when making connections to the mixer. Better yet, turn off the power.

• Savetheshippingbox!

4 VLZ3 4•Bus

Introduction

Awesomely unheard of features

USB Recording and Playback

TheVLZ34•BusSeriesMixersfeaturea4x2USB

recording and playback function. This means up to four signals may be recorded simultaneously and a stereo mix returned to the mixer for playback.

There are two switches in the master section labeled "USB OUT" that allow for monstrous ﬂexibility on the four recordable signals. The default switch conﬁguration routes subgroups 1-4 over the USB connection to your favorite DAW software for a "mix it later" 4-track recording. The Subgroup 1-2 switch also allows the L-R mix to be recorded for convenient stereo mixes of the show. The Subgroup 3-4 switch allows aux 5/6 to be sent to the DAW for a unique stereo recording or the use of DAW plug-ins as effects.

For playback, there are two switches in the master section labeled "2-TRACK RETURN". One switch [TAPE/ USB] changes the standard dual RCA inputs to main (tape, switch disengaged) to stereo USB to main (USB, switch engaged). This is an extremely convenient function for playing music over the main mix from a computer. We prefer to jam some Johnny 'The Man in Black' Cash in between bands at the local rock clubs. But feel free to play whatever you want, unless it's...

ah,nevermind,wewon'tgothere!

AnothercoolfeatureoftheVLZ34•Busisrouting

the stereo USB return to the last stereo channel of the mixer. This is a mighty ﬁne tool for a number of live and recording uses. For example, playback through the stereo channel allows the "Greg Mackie designed" 4-band EQ to be utilized to sweeten the sounds. It may also be used for overdubbing by sending music to the musicians' headphones through the auxes.

Last, but not least, it may be used to return plug-in effects from the DAW in a live mix scenario. One of our favorites is the CamelPhat VST that makes your average drummer sound like Bonham on How The West Was Won.

Powerful on-board dual FX engines and eight individual compressors

In pursuit of the ultimate Mackie "do-it-all" Live Sound Mixer, we threw in the kitchen sink and packed this bad boy with a full set of processors allowing you to travel "rack free" while still making professional sounding mixes.

For starters, we added not one, but TWO, of our patented Running Man FX processors (RMFX+ featuring 24 "gig-ready" effects right into the board. This does not include useless effects such as "the warbler" or the "insanity delay", but rather a suite of quickly accessible and useable reverbs, choruses and delays that make coloring your mix a breeze.

Additionally, both FX processors feature a tap delay, typically only available on an outboard rack. Delays may easily be sync'd with the song at the tap of a ﬁnger. And because we love ﬂexible routing (hehe), the processed signal may be sent direct to the mains and monitors from the effects section or re-routed to the two stereo channels to bring them through the EQ and aux section, utilizing the 60mm fader to draw them into the mix.

Butwait,there'smore!TheVLZ34•Bushaseight (yes,eight!)singleknobcompressorstostopthe

dynamic signals from poking out of the mix. Four compressors are located on the last four mic inputs so that the most critical signals (such as vocals, snare drum, the occasional jaw harp or mountain goats) may be addressed. Plus, there are single knob compressors on each of the four subgroups so that grouped signals (such as a drum set or a choir of didgeridoos) may be blended together for paramount smoothness.

Bottom line? You have an awesome mixer with Mackie VLZ3 sound quality, "built-like-a-tank" build quality and a recording and processing feature set that is

unparalleled.Congratulations...andhappymixing!

™

)

Owner's Manual 5

Features

How To Use This Manual

• ProvenVLZ3low-noise,high-headroomdesign

 •StudiogradeXDR2

 •130dBdynamicrange  •Distortionunder0.0007% 

(20 Hz - 20 kHz)

 •Phantompowerforstudio 

condenser mics

• 4subgroups,eachwithdedicatedcompressors

for total dynamic control

• Dedicatedin-linechannelcompressionfor

critical inputs

• 3-bandactiveEQwithcarefullyselected

frequency ranges for maximum ﬂexibility

• Dual32-bitRMFX+

"gig ready" effects including reverb, delay, and chorus

• Integrated4x224-bitUSBinterface

 •StreamsubgroupsormasterL/Rtoyour

laptop for recording

•Useyourfavoriteplug-inliveviaauxes5/6

•Convenientstereoreturnformusicplayback

from laptop during breaks

• 6auxsendswithinserts,1-2pre,3-4pre/post

switchable, 5-6 switchable to internal effects

• 18dB/oct100Hzlowcutlteravailableon

every mic input

• 60mmlong-wearinglogarithmic-taperfaders

• Allsteel,classicMackie"Built-Like-A-Tank"

chassis design

• Smallestfootprintinclasssavespreciousdesk

space: 2404-VLZ3: 6" x 29.4" x 19.1" 3204-VLZ3: 6" x 38" x 19.1"

• Lightweightandportable: 2404-VLZ3: 31 lbs / 14.1 kg 3204-VLZ3: 39 lbs / 17.7 kg

™

mic preamps

™

processors featuring 24

The ﬁrst pages after the table of contents are the hookup diagrams. These show typical setups for fun times with your mixer.

Next is a detailed tour of the entire mixer. The descriptions are divided into sections, just as your mixer is organized into distinct zones:

• RearPanel/Connections

• ChannelControls

• 2-Track,USB,AuxMasters,Meters

• StereoEffectsProcessors,Headphones,

Talkback, Main and Groups Mix

Throughout these sections you’ll ﬁnd illustrations with each feature numbered and described in nearby paragraphs.

This icon marks infor mation that is critically important or unique to the mixer. For your own good, read them and remember them.

This icon will lead you to some explanations of features and practical tips. Go ahead and skip these if you need to leave the room in a hurry.

Appendices

Appendix A: Service Information

 •Troubleshooting  •Repair

Appendix B: Connections

 •XLRConnectors  •1/4"TRSPhonePlugsandJacks  •1/4"TSPhonePlugsandJacks  •RCAPlugsandJacks  •TRSSend/ReceiveInsertJacks

Appendix C: Technical Information

 •Specications  •Dimensions  •BlockDiagram  •TrackSheet

Appendix D: USB and you... sb

Appendix E: Table of Effects Presets

6 VLZ3 4•Bus

Contents

IMPORTANT SAFETY INSTRUCTIONS ........................ 2

QUICK START .......................................................... 3

INTRODUCTION ...................................................... 4

TABLE OF CONTENTS ............................................... 6

HOOKUP DIAGRAMS............................................... 7

FEATURES ............................................................... 9

REAR PANEL - CONNECTIONS ............................... 9

1. MIC INPUTS ............................................. 9

2. LINE INPUTS ............................................ 9

3. INSERT .................................................. 10

4. STEREO LINE INPUTS .............................. 10

5. STEREO RETURNS 1-2 ............................ 10

6. TAPE INPUTS / OUTPUTS ....................... 10

7. L/R MAIN OUTPUTS: XLR & 1/4" .......... 11

8. MAIN INSERTS ....................................... 11

9. MONO OUT............................................ 11

10. MONO OUT LEVEL Control ...................... 11

11. GROUP OUTS 1-4 .................................. 11

12. GROUP INSERTS .................................... 11

13. AUX SENDS 1-6 ..................................... 11

14. AUX INSERTS ........................................ 12

15. LEFT/RIGHT MONITOR OUTPUTS ........... 12

16. MONO MONITOR OUTPUT ...................... 12

17. HEADPHONE OUTPUT ............................. 12

18. USB INPUT/OUTPUT .............................. 12

19. TALKBACK MIC ....................................... 14

20. POWER ................................................. 14

21. 48V PHANTOM POWER ......................... 14

22. POWER CONNECTION ............................. 14

FRONT PANEL - KNOB TWIDDLIN' SECTION ......... 15

23. GAIN CONTROL ...................................... 16

24. LOW CUT ............................................... 16

25. PAD (-20 dB) Switch .............................. 16

26. COMPRESSOR ........................................ 17

27. AUX SENDS 1-6 ..................................... 18

28. PRE-FADER / AUX SENDS 1-2 ................ 18

29. INT FX 1-2 / AUX SENDS 5-6 ................. 18

30. INT FX / AUX 5-6 Switch ....................... 18

31. HIGH EQ ................................................ 19

32. MID EQ .................................................. 19

33. MID EQ FREQUENCY ............................... 19

34. LOW EQ ................................................. 19

35. HIGH MID EQ LEVEL ............................... 19

36. LOW MID EQ LEVEL ................................ 19

37. PAN....................................................... 19

38. MUTE .................................................... 19

39. OL LED ................................................... 19

40. SIG LED ................................................. 20

41. SOLO ..................................................... 20

42. ASSIGN ................................................. 20

43. CHANNEL FADER .................................... 20

44. FX1 and FX2 .......................................... 20

45. USB Switch ............................................ 20

2-TRACK, USB, AUX MASTERS and METERS......... 21

46. LAMP .................................................... 21

47. SUCK KNOB ........................................... 21

48. 2-TRACK RETURN LEVEL ......................... 21

49. 2-TRACK RETURN SOLO ......................... 21

50. 2-TRACK RETURN TAPE/USB .................. 21

51. USB OUT ................................................ 22

52. MASTER AUX SENDS 1-6 ........................ 22

53. MASTER AUX SENDS SOLO ..................... 22

54. STEREO RETURNS 1-2 to AUX 1-4/MAIN 22

55. STEREO RETURNS SOLO .......................... 22

56. 48V LED ................................................ 22

57. POWER LED ........................................... 22

58. LEFT/RIGHT Level Meters ....................... 23

59. RUDE SOLO Light ................................... 23

60. SOLO MODE ........................................... 23

STEREO EFFECTS PROCESSORS, HEADPHONES, TALKBACK,

MAIN and GROUPS MIX ........................... 24

61. FX1 and FX2 SEND MASTER .................... 24

62. FX1 and FX2 TO AUX 1/AUX 2/MAIN .... 24

63. SIG/OL LED ........................................... 24

64. PRESET DISPLAY .................................... 24

65. PRESET SELECTOR, TAP DELAY and LED .... 25

66. INTERNAL FX MUTE ................................ 25

67. SOLO LEVEL ........................................... 25

68. MONITOR LEVEL .................................... 26

69. PHONES LEVEL ....................................... 26

70. TALKBACK LEVEL .................................... 26

71. PUSH TO TALK: MAIN, AUX 1-4 .............. 26

72. COMPRESSOR ........................................ 26

73. GROUPS ASSIGN .................................... 26

74. GROUP 1-4 FADERS ............................... 27

75. MAIN MIX ............................................. 27

APPENDIX A: SERVICE INFORMATION .................... 28

APPENDIX B: CONNECTIONS.................................. 29

APPENDIX C: TECHNICAL INFORMATION ................ 31

APPENDIX D: USB and YOU... SB ........................... 36

APPENDIX E: TABLE of EFFECTS PRESETS ................ 37

LIMITED WARRANTY ............................................. 38

Owner's Manual 7

Hookup Diagrams

2404

USB

L

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TAPE

OUTIN

MONO

MAIN OUT

INSERT LINE

RIGHT

MAIN OUT

INSERT LINE

LEFT

MAIN OUT

INSERT LINE

TALKBACK

MIC

POWER

ON

PHANTOM

ON

2 1 2 16 5 4

2 16 5 4

AUX INSERTS

AUX SENDS

L

R

STEREO RETURNS

3

INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT

LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE INLINE IN

20 19 18 17 16 15 14 13 12 11 9 8 7 6 5 4 3 2 110

MIC 20 MIC 19 MIC 18 MIC 17 MIC 16 MIC 15 MIC 14 MIC 13 MIC 12 MIC 11 MIC 10 MIC 9 MIC 8 MIC 7 MIC 6 MIC 5 MIC 4 MIC 3 MIC 2 MIC 1

3 2 14

GROUP OUTS

GROUP INSERTS

3 2 14

MONITOR

PHONES

MONITOR

L

R

L

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23/24 21/22

WARNING:

AVIS: RISQUE DE CHOC ELECTRIQUE — NE PAS OUVRIR

LEVEL

OUTPUT

+6

PGM 2

MAIN OUT MIC

BOOTH

FX PGM 1

HD1531 Powered Speaker

HD1801

Powered

Subwoofer

HD1801 Powered

Subwoofer

Laptop Computer with audio

production

software

Headphones

Turntables with phono-level output

Mackie d.2 Pro

DJ Production Console

Mackie HR824mk2

Powered Reference

Monitors L/R

Mackie SRM450v2 Powered Speakers

for Stage Monitors (Aux Sends 1-4)

Chris

on keys

Francis

on bass

DI

Box

Dustin

on drums

desTROYer

on six-string

Brian on

lead vox

Monitor EQ

(Aux Inserts 1-4)

SRM150

Powered Monitor

for keyboard player

(Aux Send 5)

The drummer is the mic and channel hog of the band; Dustin has the kick, snare and three toms mic'd up, in addition to two overhead mics. These run to mic inputs 1-7. desTROYer is rockin' the electric guitar through a Blackheart full stack rig. Each Blackheart cab is mic'd and connected to the channel 8 and 9 mic inputs. Keyboard player Chris is connected to the channel 10 and 11 line inputs...well, Chris isn't connected to the inputs; his keyboard is! Vocalist Brian is singing through a mic connected to the mic 19 input. A bass guitar is connected to an Ampeg rig which is connected (via DI) to the mic 20 input.

The last four mono channels of each Mackie VLZ3 4•Bus mixer have built-in compressors, so feel free to

"squeeze" the vocals and bass to heart's desire since they lie here. Last, but not least, a DJ is spinning

records connected (via Mackie d.2 Pro DJ mixer) to the line inputs on stereo channels 21/22. The sound guy (or gal) may monitor levels using headphones (via the headphones output) and/or a pair of Mackie HR824mk2's connected to the monitor L/R outputs.

Mackie SRM450v2 powered speakers are used as stage monitors for the band; they are connected to

the aux 1-4 send jacks. A Mackie SRM150 powered speaker receives a mono input from the aux 5 send, and is used as a monitor for Chris (the keyboard player). Graphic EQs are connected to aux inserts 1-4

to help prevent feedback.

The club is driven by connecting a pair of Mackie HD1801 powered subwoofers and a pair of Mackie HD1531 powered speakers to the main left and right outputs.

A laptop connects to the Mackie VLZ3 4•Bus mixer via the USB port, allowing the 2-channel main mix

to be recorded. Any music (iTunes laptop, as well. These can enter as either a source for the monitor and phones, or any available channels.

®

, mp3s, or other pre-recorded audio) may be played back from the

Typical Live Sound System

8 VLZ3 4•Bus

Once the band has played a few shows and feel that the songs are up to par, then it's time to record

2404

USB

L

R

TAPE

OUTIN

MONO

MAIN OUT

INSERT LINE

RIGHT

MAIN OUT

INSERT LINE

LEFT

MAIN OUT

INSERT LINE

TALKBACK

MIC

POWER ON

PHANTOM

ON

2 1 2 16 5 4

2 16 5 4

AUX INSERTS

AUX SENDS

L

R

STEREO RETURNS

3

INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT

LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE INLINE IN

20 19 18 17 16 15 14 13 12 11 9 8 7 6 5 4 3 2 110

MIC 20 MIC 19 MIC 18 MIC 17 MIC 16 MIC 15 MIC 14 MIC 13 MIC 12 MIC 11 MIC 10 MIC 9 MIC 8 MIC 7 MIC 6 MIC 5 MIC 4 MIC 3 MIC 2 MIC 1

3 2 14

GROUP OUTS

GROUP INSERTS

3 2 14

MONITOR

PHONES

MONITOR

L

R

L

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23/24 21/22

WARNING:

AVIS: RISQUE DE CHOC ELECTRIQUE — NE PAS OUVRIR

LEVEL

OUTPUT

+6

Laptop Computer with audio

production

software

Mackie HR824mk2

Powered Reference

Monitors L/R

Headphone Amp

Headphones

Chris

on keys

Francis

on bass

Amplifier

modeler

DI

Box

Dustin

on drums

desTROYer

on six-string

Brian on

lead vox

them for posterity and all three adoring fans. The good thing is that the Mackie VLZ3 4•Bus mixer

functions great in both environments... live and recording!

Here is how to record the band in three easy steps:

1. Drum tracking: wire up everything as shown above. Bus the kick (panned left) to subgroup 1 and snare (panned right) to subgroup 2 so they are recorded to their own tracks in the DAW. They will show

up on inputs 1 and 2. All four subgroup assign 1-2 Left/Right switches should be engaged so these

signals may be monitored in mono. Bus the tom mics and overhead mics to subgroups 3 and 4; set the pans as preferred. The subgroup assign 3 left and subgroup assign 4 right switches should be engaged.

These signals are recorded and monitored with the pan image as set up on the mixer and will show up as inputs 3 and 4. Check the levels carefully as they cannot be mixed later. The drums now need to be mixed in the DAW before overdubbing takes place.

2. Overdubbing: rst, route the stereo USB return into the last stereo channel (23/24 or 31/32, depending on which VLZ3 4•Bus is being utilized). Next, route the stereo channel to the L/R Main so playback occurs in the headphones. Now route the bass to the L/R Main by sending the bass mic

(panned left) to subgroup 1, and input 1 to track 5 of the DAW, while sending the bass DI (panned right)

to subgroup 2, and input 2 to track 6 of the DAW. Finally, engage the subgroup assign 1 and 2 Left/

Right switches to hear the bass in mono. Congratulations, you are overdubbing with zero latency!

3. Rinse and repeat: follow these same steps for guitars, keyboards, vocals, kazoos, llamas, and whatever else you can ﬁt in the studio. It's that easy!

As the session progresses, the engineer, band, producer, A&R representative, and whatever posse may be present can crank the tunes through a pair of Mackie HR824mk2's and nod their collective heads to the beat.

Typical Recording System

Owner's Manual 9

VLZ3 4•Bus Features

2404

USB

L

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TAPE

OUTIN

MONO

MAIN OUT

INSERT LINE

TIP=SEND

RING=RETURN

(BAL/UNBAL)

RIGHT

MAIN OUT

INSERT LINE

LEFT

MAIN OUT

INSERT LINE

TIP=SEND

RING=RETURN

TIP=SEND

RING=RETURN

(BAL/UNBAL) (BAL/UNBAL)

TALKBACK

MIC

POWER

ON

PHANTOM

ON

2 1 2 16 5 4

2 16 5 4

AUX INSERTS

(TIP=SEND, RING=RETURN)

AUX SENDS

(BAL/UNBAL)

L

R

(MONO)

STEREO RETURNS

(BAL/UNBAL)

3

INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

20 19 18 17 16 15 14 13 12 11 9 8 7 6 5 4 3 2 110

MIC 20 MIC 19 MIC 18 MIC 17 MIC 16 MIC 15 MIC 14 MIC 13 MIC 12 MIC 11 MIC 10 MIC 9 MIC 8 MIC 7 MIC 6 MIC 5 MIC 4 MIC 3 MIC 2 MIC 1

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GROUP OUTS

(BAL/UNBAL)

GROUP INSERTS

(TIP=SEND, RING=RETURN)

3 2 14

MONITOR

(MONO)

PHONES

MONITOR

L

R

L

R

23/24 21/22

(MONO)

(BAL/UNBAL) (BAL/UNBAL)

LEVEL

OUTPUT

OO

+6

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14 13

22 7 7 9 18

20

Rear Panel - Connections

1. MIC INPUTS

This is a female XLR connector that accepts a balanced mic or line level input from almost any type of source. The mic preamps feature our XDR2 design, with higher ﬁdelity and headroom rivaling any standalone mic preamp on the market today.

The XLR inputs are wired as follows: Pin 1 = Shield or ground Pin 2 = Positive (+ or hot) Pin 3 = Negative (– or cold)

We use phantom-powered, balanced inputs just like the big mega-consoles, for exactly the same reason: This kind of circuit is excellent at rejecting hum and noise.

Professional ribbon, dynamic, and condenser mics all sound excellent through these inputs. The mic/line inputs will handle any kind of level you can toss at them, without overloading.

Microphone-level signals are passed through the mixer's splendid microphone preampliﬁers to become line-level signals.

The XDR2 preamps accept balanced line-level signals because the mixer is equipped with a -20 dB pad on channels 1-16 (2404-VLZ3) and channels 1-24 (3204-VLZ3) so hot signals may pass.

See Appendix B (page 29) for further details and some rather lovely drawings of the connectors you can use with your mixer.

415

5

21 19

3 2

1

10888 6

PHANTOM POWER

Most modern professional condenser mics require 48V phantom power, which lets the mixer send low-current DC voltage to the mic’s electronics through the same wires that carry audio. (Semi-pro condenser mics often have batteries to accomplish the same thing.) “Phantom” owes its name to an ability to be “unseen” by dynamic mics (Shure SM57/SM58, for instance), which don’t need external power and aren’t affected by it anyway.

Phantom power may be selected by pressing up on the mixer's phantom [21] switch.

Never plug single-ended (unbalanced) micro phones, or ribbon mics into the mic

input jacks if phantom power is on. Do not plug instrument outputs into the mic XLR input jacks with phantom power on, unless you are certain it is safe to do so.

2. LINE INPUTS

These 1/4" jacks share circuitry (but not phantom power) with the mic preamps, and can be driven by balanced or unbalanced sources.

To connect balanced lines to these inputs, use a 1⁄4" Tip-Ring-Sleeve (TRS) plug, wired as follows: Tip = Positive (+ or hot) Ring = Negative (– or cold) Sleeve = Shield or ground

To connect unbalanced lines to these inputs, use a 1⁄4" mono (TS) phone plug, wired as follows: Tip = Positive (+ or hot) Sleeve = Shield or ground

10 VLZ3 4•Bus

2404

USB

L

R

TAPE

OUTIN

MONO

MAIN OUT

INSERT LINE

TIP=SEND

RING=RETURN

(BAL/UNBAL)

RIGHT

MAIN OUT

INSERT LINE

LEFT

MAIN OUT

INSERT LINE

TIP=SEND

RING=RETURN

TIP=SEND

RING=RETURN

(BAL/UNBAL) (BAL/UNBAL)

TALKBACK

MIC

POWER

ON

PHANTOM

ON

2 1 2 16 5 4

2 16 5 4

AUX INSERTS

(TIP=SEND, RING=RETURN)

AUX SENDS

(BAL/UNBAL)

L

R

(MONO)

STEREO RETURNS

(BAL/UNBAL)

3

INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

20 19 18 17 16 15 14 13 12 11 9 8 7 6 5 4 3 2 110

MIC 20 MIC 19 MIC 18 MIC 17 MIC 16 MIC 15 MIC 14 MIC 13 MIC 12 MIC 11 MIC 10 MIC 9 MIC 8 MIC 7 MIC 6 MIC 5 MIC 4 MIC 3 MIC 2 MIC 1

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GROUP OUTS

(BAL/UNBAL)

GROUP INSERTS

(TIP=SEND, RING=RETURN)

3 2 14

MONITOR

(MONO)

PHONES

MONITOR

L

R

L

R

23/24 21/22

(MONO)

(BAL/UNBAL) (BAL/UNBAL)

LEVEL

OUTPUT

OO

+6

“tip”

This plug c onnects to one of the mixer’s Channel Inse rt jacks.

“ring”

tip

ring

sleeve

SEND to proc essor

RETURN from processor

(TRS plug)

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3. INSERT

These unbalanced 1/4" jacks are for connecting serial effects processors such as compressors, equalizers, de-essers, or ﬁlters. The insert point is after the gain control [23] and low cut ﬁlter [24], but before the channel’s EQ [31-36] and level [43]. The channel signal can go out of the insert jack to an external device, be processed and come back in on the same insert jack. To do this requires a standard insert cable that must be wired thusly:

Tip = send (output to effects device)

Ring = return (input from effects device)

Sleeve = common ground

Insert jacks may be used as channel direct outputs; post-gain, and pre-EQ. See the connector section on page 30 (ﬁgure G) showing three ways to use insert cables.

4. STEREO LINE INPUTS

The stereo line inputs are designed for 1/4" TRS balanced or 1/4" TS unbalanced signals. They may accept any line-level instrument, effects device, CD player, etc.

Level control is available -20 dB to +20 dB if you are connecting a mono source. Use the left (mono) stereo return input, and the mono signals will appear on both sides of the main mix.

5. STEREO RETURNS 1-2

The stereo (aux) returns are designed for 1/4" TRS balanced or 1/4" TS unbalanced signals, from -20 dB to +20 dB. They allow the stereo processed output from external effects processors or other devices to be added to the main mix.

Level adjustment of the incoming signals is made with the stereo return controls [54].

You may also use these inputs to add any stereo line-level signals to your main mix, so it could be another line-level source, not just an effects processor.

If you are connecting a mono source, use the left (mono) stereo return input, and the mono signals will appear on both sides of the main mix.

6. TAPE INPUTS / OUTPUTS

The stereo unbalanced RCA inputs allow you to play a

®

tape, CD player, iPod The tape in jacks accept an unbalanced signal using standard hi-ﬁ hookup cables.

The stereo unbalanced RCA outputs allow you to record the main stereo mix onto a tape deck, hard disk recorder, or automatic CD burner, for example. This lets you make a recording for posterity/archive/legal purposes whenever the band gets back together again.

The tape output is the stereo main mix, and it is not affected by the main mix level control [75]. The output could also be used as an extra set of main outputs for feeding another zone.

dock, or other line-level source.

Owner's Manual 11

2404

USB

L

R

TAPE

OUTIN

MONO

MAIN OUT

INSERT LINE

TIP=SEND

RING=RETURN

(BAL/UNBAL)

RIGHT

MAIN OUT

INSERT LINE

LEFT

MAIN OUT

INSERT LINE

TIP=SEND

RING=RETURN

TIP=SEND

RING=RETURN

(BAL/UNBAL) (BAL/UNBAL)

TALKBACK

MIC

POWER

ON

PHANTOM

ON

2 1 2 16 5 4

2 16 5 4

AUX INSERTS

(TIP=SEND, RING=RETURN)

AUX SENDS

(BAL/UNBAL)

L

R

(MONO)

STEREO RETURNS

(BAL/UNBAL)

3

INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

20 19 18 17 16 15 14 13 12 11 9 8 7 6 5 4 3 2 110

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GROUP INSERTS

(TIP=SEND, RING=RETURN)

3 2 14

MONITOR

(MONO)

PHONES

MONITOR

L

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L

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23/24 21/22

(MONO)

(BAL/UNBAL) (BAL/UNBAL)

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OUTPUT

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7. LEFT/RIGHT MAIN OUTPUTS: XLR & 1/4"

The male XLR connectors provide a balanced line-level signal that represents the end of the mixer chain, where your fully mixed stereo signal enters the real world. Connect these to the left or right inputs of your main power ampliﬁers, powered speakers, or serial effects processor (like a graphic equalizer or compressor/limiter). The XLR outputs are 6 dB hotter than the TRS outputs.

The 1/4" TRS output connectors provide balanced or unbalanced line-level signals. Connect these to the next device in the signal chain like an external processor (compressor/limiter), or directly to the inputs of the main ampliﬁer. These are the same signal that appears at the XLR main outputs, but 6 dB lower when the XLR is used balanced.

8. MAIN INSERTS

These 1/4" TRS jacks are for connecting serial effects such as compressors, equalizers, deessers, or ﬁlters. The insert point is after the mix amps, but before the main mix fader [75]. Refer to the description of the channel insert on the previous page to see how to make this connection.

9. MONO OUT

The male XLR connector [balanced] and 1/4" TRS output connector [balanced or unbalanced] provide a line-level signal that is a combination of the left and right main out [7] signals (L+R). You may use this for a separate mix that does not require a stereo feed, or to simply test the monaural compatibility of the stereo mix. Again, when used balanced, the XLR signal is 6 dB higher than that from the TRS jack.

10. MONO OUT LEVEL Control

This is a separate level control for the mono out [9]. It comes after the main mix fader [75], so turning the main mix fader up and down does affect the mono out signal. With this control turned all the way up, you will have 6 dB of extra gain at the mono out.

11. GROUP OUTS 1-4

These 1/4" TRS jacks provide balanced or unbalanced line-level signals and are typically patched to the inputs of a multitrack deck, or to secondary ampliﬁers in a complex installation.

12. GROUP INSERTS

These 1/4" TRS jacks are for connecting serial effects such as compressors, equalizers, de-essers, or ﬁlters. The insert point is after the mix amps, but before the group send masters [74] (and after the built-in stereo compressor [72]). Refer to the description of the channel insert on the previous page to see how to make this connection.

13. AUX SENDS 1-6

These 1/4" TRS connectors allow you to send balanced or unbalanced line-level outputs to external effects devices, headphone ampliﬁers, or stage monitors. These could either be passive stage monitors powered by an external ampliﬁer, or powered stage monitors with builtin power ampliﬁers. All six auxes are independent of each other, so you can run up to six separate aux mixes.

Aux sends 3-4 may either be pre or post fader, depending on the position of the pre/post switches [28]. For stage monitor work, use pre, so the stage monitors do not increase in volume when the channel level is adjusted. Imagine how upsetting that can be to big hairy drummers. This allows you to set up the monitor mix and levels just right, and not have it change every time a channel level is adjusted.

For external processors, use post. In this way, the feed to external processors will vary with the channel level, so the level of any returned effect (like an echo) will also change if the channel level is changed, keeping them in the same ratio (wet/dry).

12 VLZ3 4•Bus

2404

USB

L

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TAPE

OUTIN

MONO

MAIN OUT

INSERT LINE

TIP=SEND

RING=RETURN

(BAL/UNBAL)

RIGHT

MAIN OUT

INSERT LINE

LEFT

MAIN OUT

INSERT LINE

TIP=SEND

RING=RETURN

TIP=SEND

RING=RETURN

(BAL/UNBAL) (BAL/UNBAL)

TALKBACK

MIC

POWER

ON

PHANTOM

ON

2 1 2 16 5 4

2 16 5 4

AUX INSERTS

(TIP=SEND, RING=RETURN)

AUX SENDS

(BAL/UNBAL)

L

R

(MONO)

STEREO RETURNS

(BAL/UNBAL)

3

INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

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(BAL/UNBAL)

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(BAL/UNBAL)

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(BAL/UNBAL)

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(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

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GROUP OUTS

(BAL/UNBAL)

GROUP INSERTS

(TIP=SEND, RING=RETURN)

3 2 14

MONITOR

(MONO)

PHONES

MONITOR

L

R

L

R

23/24 21/22

(MONO)

(BAL/UNBAL) (BAL/UNBAL)

LEVEL

OUTPUT

OO

+6

17 12 16 11

14 13

22 7 7 9 18

20

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10888 6

14. AUX INSERTS

These 1/4" TRS jacks are for connecting serial effects such as compressors, equalizers, de-essers, or ﬁlters. The insert point is after the mix amps, but before the aux send masters [52] and the solo switch [60] (so you may hear the external processor when soloing the aux send). Refer to the description of the channel insert on page 11 to see how to make this connection.

15. LEFT/RIGHT MONITOR OUTPUTS

These 1/4" TRS jacks provide a balanced line-level signal that may be used to provide an additional main mix output or to monitor soloed channels.

Connect these outputs to the inputs of an ampliﬁer, powered speaker, headphone distribution ampliﬁer, or recording device.

16. MONO MONITOR OUTPUT

This 1/4" TRS output connector provides a balanced line-level signal that is a combination of the left and right monitor out [15] signals (L+R). You may use this for a separate mix that does not require a stereo feed, or to simply test the monaural compatibility of the stereo mix.

Connect these outputs to the inputs of an ampliﬁer, powered speaker, headphone distribution ampliﬁer, or recording device.

17. HEADPHONE OUTPUT

This 1/4" TRS connector supplies the output to your stereo headphones. It is the same signal that is routed to the monitor outputs [15-16]. The volume is controlled with the phones knob [69], right next to the monitor knob [68].

Whenever a solo switch [41, 49, 53, 55, 73] is engaged, you will only hear the soloed channel(s), 2-track return, aux(es), and/or group(s) in the headphones. This gives you the opportunity to audition the channels before they are added to the main mix. (Solo signals reaching the headphones are not affected by the channel level or main level (except in AFL mode), therefore turn down the phones level ﬁrst, as soloed channels may be loud.)

The phones output follows standard conventions:

Tip = Left channel

Ring = Right channel

Sleeve = Common ground

WARNING: The headphone amp is loud, and can cause permanent hearing damage. Even intermediate levels may be painfully loud

withsomeheadphones.BECAREFUL!Alwaysturnthe

phones level control [69] all the way down before connecting headphones or pressing a solo switch, or doing anything new that may affect the headphone volume. Then turn it up slowly as you listen carefully.

18. USB INPUT/OUTPUT

The built-in USB interface allows for some powerful and ﬂexible routing. It is a 4x2 interface allowing you to record up to four streams from the mixer, or to input stereo playback from a computer and route it to nearly any output or pair of outputs on the mixer. To use this feature with a PC, ﬁrst download the PC ASIO driver from www.mackie.com. If connecting to a Mac, the mixer will show up as a 4x2 device with no driver required.

Owner's Manual 13

2404

USB

L

R

TAPE

OUTIN

MONO

MAIN OUT

INSERT LINE

TIP=SEND

RING=RETURN

(BAL/UNBAL)

RIGHT

MAIN OUT

INSERT LINE

LEFT

MAIN OUT

INSERT LINE

TIP=SEND

RING=RETURN

TIP=SEND

RING=RETURN

(BAL/UNBAL) (BAL/UNBAL)

TALKBACK

MIC

POWER

ON

PHANTOM

ON

2 1 2 16 5 4

2 16 5 4

AUX INSERTS

(TIP=SEND, RING=RETURN)

AUX SENDS

(BAL/UNBAL)

L

R

(MONO)

STEREO RETURNS

(BAL/UNBAL)

3

INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

20 19 18 17 16 15 14 13 12 11 9 8 7 6 5 4 3 2 110

MIC 20 MIC 19 MIC 18 MIC 17 MIC 16 MIC 15 MIC 14 MIC 13 MIC 12 MIC 11 MIC 10 MIC 9 MIC 8 MIC 7 MIC 6 MIC 5 MIC 4 MIC 3 MIC 2 MIC 1

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GROUP OUTS

(BAL/UNBAL)

GROUP INSERTS

(TIP=SEND, RING=RETURN)

3 2 14

MONITOR

(MONO)

PHONES

MONITOR

L

R

L

R

23/24 21/22

(MONO)

(BAL/UNBAL) (BAL/UNBAL)

LEVEL

OUTPUT

OO

+6

17 12

415

16 11

14

5

13

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10888 6

3

2

1

The USB routing capabilities are as follows:

USB input TO the mixer - playback:

(1) Stereo channel 23/24 (on the 2404-VLZ3) and 31/32 (on the 3204-VLZ3) features a USB button, so one may route computer output (such as iTunes last stereo channel of the board. This stereo signal may then be EQ'd, sent to auxiliaries (i.e. to feed monitors, headphones or effects) and is routable to mains and/or subgroups via the fader routing features that are available on all other channels. In short, this signal may be sent to nearly any desired output or pair of outputs. Additionally, the gain knob at the top of this channel strip adjusts the USB input level to the mixer to achieve an optimal signal level.

(2) The 2-Track Return section features a "ﬂip" switch, so a "Tape" source (connected via RCA cables,

®

such as an iPod (playing Windows Media Player

) or the USB signal from a computer

®

ﬁles, for example) may be routed to the main bus. This section also features a solo button and input level adjustment for fading house music up and down between bands, at a house of worship, or any other event where this may be necessary.

USB output FROM the mixer - recording, etc:

(1) A variety of different signals may be recorded via the USB output section, depending on the setup. In the 'USB OUT' section, the switch on the left [51] will select either Groups 1-2 or the main mix to feed USB output channels 1-2. The second switch (to the right) will select either Groups 3-4 or Aux 5-6 to feed USB output channels 3-4.

For example, with both USB ouput switches in the default position (up), true 4-track recording may be accomplished via routing to subgroups 1-4. The USB tap points for the subgroups are pre-fader (also pre-insert) and post-compressor. The signals will show up on the DAW dependent upon how they are panned on the channels.

®

) down the

In other words, if subgroups 1 and 2 are used to submix drums and those drums have a stereo image (e.g. overheads and toms pan according to desire), this stereo image is retained in the DAW inputs (assuming subgroup 1 is set to "L" and subgroup 2 is set to "R"). Any adjustments made to the subgroup drum levels during the show only pertain to the live show itself; recording levels are not adjusted in the DAW unless they are adjusted on the channels. However, compression settings made on the mixer will apply to the recording.

Likewise, it is possible to record the main mix to take home a copy of the live show. These levels are also pre-main fader. Therefore, levels may be mixed up or down in the DAW later depending on the needs of the recording versus the live show. The end result is that fade-ins and/or fade-outs made during the show do not affect recorded levels.

And ﬁnally, it is possible to route the aux 5-6 (again, pre-fader) mixer signals into a DAW or plug-in host. From there, re-route the output of the DAW (or plug-in host) back into the mixer. Voilà...a powerful outboard

effectsunit!

Success here is partially dependent upon the computer's speed. It needs to be fast enough

to run at low buffer sizes so that there is no noticeable latency between the input signal and, say, the reverb return. This kind of ﬂexible routing allows for a variety of choices: running aux 5-6 as effects sends to outboard gear, internal effects sends (native to the board), DAW plug-ins (via USB) or as monitor mix

feeds...atrulypowerfulfeature!Besuretoreviewthe

software requirements on www.mackie.com to conﬁrm that the latest device drivers are currently in use.

14 VLZ3 4•Bus

2404

USB

L

R

TAPE

OUTIN

MONO

MAIN OUT

INSERT LINE

TIP=SEND

RING=RETURN

(BAL/UNBAL)

RIGHT

MAIN OUT

INSERT LINE

LEFT

MAIN OUT

INSERT LINE

TIP=SEND

RING=RETURN

TIP=SEND

RING=RETURN

(BAL/UNBAL) (BAL/UNBAL)

TALKBACK

MIC

POWER

ON

PHANTOM

ON

2 1 2 16 5 4

2 16 5 4

AUX INSERTS

(TIP=SEND, RING=RETURN)

AUX SENDS

(BAL/UNBAL)

L

R

(MONO)

STEREO RETURNS

(BAL/UNBAL)

3

INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

LINE IN

(BAL/UNBAL)

20 19 18 17 16 15 14 13 12 11 9 8 7 6 5 4 3 2 110

MIC 20 MIC 19 MIC 18 MIC 17 MIC 16 MIC 15 MIC 14 MIC 13 MIC 12 MIC 11 MIC 10 MIC 9 MIC 8 MIC 7 MIC 6 MIC 5 MIC 4 MIC 3 MIC 2 MIC 1

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GROUP OUTS

(BAL/UNBAL)

GROUP INSERTS

(TIP=SEND, RING=RETURN)

3 2 14

MONITOR

(MONO)

PHONES

MONITOR

L

R

L

R

23/24 21/22

(MONO)

(BAL/UNBAL) (BAL/UNBAL)

LEVEL

OUTPUT

OO

+6

17 12 16 11

14 13

22 7 7 9 18

20

415

5

21 19

3 2

1

10888 6

19. TALKBACK MIC

This is where you plug in your external talkback microphone if you need to have one. You may use a dynamic or self-powered condenser microphone.

20. POWER

Press the top of this rocker switch inwards to turn on the mixer. The front panel power LED [57] will glow with happiness, or at least it will if you have the mixer plugged into a suitable live AC mains supply.

Press the bottom of this switch to put the mixer into standby mode. It will not function, but some circuits are still live. To remove AC power, either turn off the AC mains supply, or unplug the power cord from the mixer and the AC mains supply.

As a general guide, you should turn on your mixer ﬁrst, before any external power

ampliﬁers or powered speakers, and turn it off last. This will reduce the possibilities of any turn-on, or turn-off thumps in your speakers.

21. 48V PHANTOM POWER

Most modern professional condenser mics require 48V phantom power, which lets the mixer send lowcurrent DC voltage to the mic’s electronics through the same wires that carry audio. (Semi-pro condenser mics often have batteries to accomplish the same thing.) “Phantom” owes its name to an ability to be “unseen” by dynamic mics (Shure SM57/SM58, for instance), which don’t need external power and aren’t affected by it anyway.

Never plug single-ended (unbalanced) micro phones, or ribbon mics into the mic

input jacks if phantom power is on. Do not plug instrument outputs into the mic XLR input jacks with phantom power on, unless you know for certain it is safe to do so. Be sure the main level [75] is turned down when connecting microphones to the mic inputs when phantom power is turned on, to prevent pops from getting through to the speakers.

22. POWER CONNECTION

This is a standard 3-prong IEC power connector. Connect the detachable linecord (included in the box with your mixer) to the power receptacle, and plug the other end of the linecord into an AC outlet. The

VLZ34•BusSeriesMixershaveauniversalpower 

supply that can accept 100 VAC to 240 VAC. No need for voltage select switches. It will work virtually anywhere in the world. That’s why

wecallita“Planet-Earth”powersupply!Itisless

susceptible to voltage sags or spikes, compared to conventional power supplies, and provides greater electromagnetic isolation and better protection against AC line noise.

Disconnecting the plug’s ground pin is dangerous. Don’t do it.

any AC voltage ranging from

Press this switch in if your microphone requires phantom power. (Always check the position of this switch before connecting microphones.) A red LED [56] will illuminate just above the main mix meters [58] to indicate that phantom power is active. This is a global switch that affects all mic channels' XLR jacks at once.

Owner's Manual 15

GAIN GAIN GAIN GAIN GAIN GAIN

20 21/22 23/2417 18 19

GAIN

16

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

PAD

-20dB

LOW CUT

100 Hz

18dB/OCT

2404

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16

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17

EQ EQ EQ EQ EQ EQ

PAN PAN PAN PAN BAL BAL

EQ

PAN

INT FX

AUX 5/6

PRE

SOLO

LEFT

TAP

DELAY

INT FX MUTE

INT FX

AUX 5/6

PRE

HI

12k

LOW 80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW 80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW 80Hz

MID

HI

12k

LOW 80Hz

MID

HI

12k

LOW 80Hz

HI

12k

LOW 80Hz

LOW

MID

400Hz

HI

MID

2.5k

LOW MID

400Hz

HI

MID

2.5k

INT FX

AUX 5/6

PRE

INT FX

AUX 5/6

PRE

INT FX

AUX 5/6

PRE

HI

12k

LOW 80Hz

MID

FREQ

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

PUSH

TO TALK

TALKBACKGROUPS

MAIN

RIGHT

AUX 1-4

STEREO

RIGHT

SOLO

LEFT

TO AUX 1

TO AUX 2

SOLO

PHONES

MONITOR

TAP

DELAY

INT FX

MUTE

TO AUX 1

TO AUX 2

RIGHT

SOLO

STEREO

LEFT

RIGHT

SOLO

LEFT

SEND MASTERSEND MASTER

TO MAINTO MAIN

FX

2

FX

1

1 2 3 4

MAIN MIX

SOLO

1

SOLO

1

2

3

4

2

SOLO

SOLO MODE

MAIN

FX 1

USB

STEREO RETURNSAUX MASTERS

SOLO

+15

OO

+15

OO

+15

OO

SOLO

U

MAX

OO

U

MAX

OO

U

MAX

OO

FX 2

U

MAX

OO

U

MAX

OO

SIG/OLSIG/OL

AUX

MAIN

MIX

0 dB=0 dBu

RUDE SOLO

20

10

7

4

2

0

2

4

7

10

20

30

LEFT RIGHT

SOLO

MAX

OO

U

MAX

OO

U

MAX

OO

U

MAX

OO

U

MAX

OO

U

MAX

OO

U

+20

OO

TO MAIN

PFL AFL

GRP 1-2

CH 1-2 CH 3-4

AUX 5-6

PWR

48V

TAPE

USB

2-TRACK RETURN USB OUT

GRP 3-4

MAIN L/R

LEVEL

SET

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

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U

+15

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U

+15

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MAX

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OFF MAX

COMP

OFF MAX

COMP

OFF MAX

COMP

OFF MAX

COMP

LEVEL

U

+15

OO

3

1

5

6

2

U

+15

OO

U

+15

OO

+15

OO

U

+15

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U

4

U

+20-20

U

+20-20

12V

0.5A

50%

25% 75%

0% 100%

SUCK

OFF MAX OFF MAX OFF MAX OFF MAX

COMP COMP COMP COMP

U

+15

OO

U

+15

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U

+15

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U

+15

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U

+15

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0 60

-45dB+15dB

U

800

200

8k100

U

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U

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A

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2k

0 60

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200

8k100

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+15

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U

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2k

0 60

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U

800

200

8k100

U

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U

2k

800

200

8k100

U

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U

-15 +15

U

-15 +15

U

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U

-15 +15

U

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U

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dB

30

20

10

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40 50

5

U

60

10

dB

30

20

10

OO

40 50

5

U

60

10

dB

30

20

10

OO

40 50

5

U

60

10

dB

30

20

10

OO

40 50

5

U

60

10

dB

30

20

10

OO

40 50

5

U

60

10

SIG

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40 50

5

U

60

10

SIG

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40 50

5

U

60

10

SIG

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40 50

5

U

60

10

SIG

SOLO

3-4

1-2

L/R

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dB

30

20

10

OO

40 50

5

U

60

10

SIG

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3-4

1-2

L/R

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dB

30

20

10

OO

40 50

5

U

60

10

SIG

SOLO

3-4

1-2

L/R

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dB

30

20

10

OO

40 50

5

U

60

10

SIG

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3-4

1-2

L/R

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30

20

10

OO

40 50

5

U

60

10

U

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U

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U

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2k

0 60

-45dB+15dB

U

800

200

8k100

U

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U

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VLZ3 4•Bus Features

Front Panel - Channel Strip

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16 VLZ3 4•Bus

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FX 1

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COMP COMP COMP COMP

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Channel Controls

The vertical channel strips look very similar, and have only a few differences between them. Each channel works independently, and just controls the signals plugged into the inputs directly behind it.

“U” like Unity gain

Mackie mixers have a “U” symbol on almost every level control. It stands for “unity gain,” meaning no change in signal level. The labels on the controls are measured in decibels (dB), so you’ll know what you’re doing level-wise if you choose to change a control’s settings.

23. GAIN CONTROL

If you haven’t already, please read the level-setting procedure on page 3.

The gain knobs adjust the input sensitivity of the mic and line inputs. This allows signals from the outside world to be adjusted to run through each channel at optimal internal operating levels.

24. LOW CUT

All mono channels have a low-cut switch (often referred to as a high-pass ﬁlter) that cuts bass frequencies below 100 Hz at a rate of 18 dB per octave.

We recommend that you use low-cut on every microphone application except kick drum, bass guitar, or bassy synth patches. These aside, there isn’t much down there that you want to hear, and ﬁltering it out makes the low stuff you do want much more crisp and tasty. Not only that, but low-cut can help reduce the possibility of feedback in live situations, and it helps to conserve ampliﬁer power.

Another way to consider low-cut’s function is that it actually adds ﬂexibility during live performances. With the addition of low-cut,

you can safely use low equalization on vocals. Many times, bass shelving EQ can really beneﬁt voices. Trouble is, adding low EQ also boosts stage rumble, mic handling clunks and breath pops from way-down low. Applying low-cut removes all those problems, so you can add low EQ without blowing your subwoofers.

If the signal originates through the mic XLR jack, there will be 0 dB of gain with the knob fully down, ramping to 60 dB of gain fully up.

Through the 1⁄4" line input of channels 1-20 (2404VLZ3) and channels 1-28 (3204-VLZ3), there is 15 dB of attenuation fully down and 45 dB of gain fully up, with unity gain "U" at 10:00.

Through the 1⁄4" line input of channels 21/22 and 23/24 (2404-VLZ3) and 29/30 and 31/32 (3204-VLZ3), there is 20 dB of attenuation fully down and 20 dB of

25. PAD (-20 dB) Switch

In most cases, the pad switch will be disengaged. However, microphones and balanced line-level signals that produce a higher output than usual may require that the gain control [23] is turned way down. If this is the case, engage the pad switch to allow an additional 20 dB at the input to the mic preamp. This prevents overloading the microphone preamp and provides better gain control. The pad only applies to XLR inputs, not the 1/4" TRS inputs.

gain fully up, with unity gain "U" at 12:00.

This 20 dB of attenuation can be very handy when you

gain, or both. Without this “virtual pad,” there is more

are inserting a hot signal, or when you want to add EQ

chance of channel clipping.

Owner's Manual 17

+20

-10

-5

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SLOPE 6:1

SOFT KNEE

SLOPE 1:1

+5 +10+15

INPUT SIGNAL STRENGTH dBu

OUTPUT SIGNAL ST RENGTH dBu

26. COMPRESSOR

Each of the last four mono channels in the VLZ34•Bus mixer has an in-line compressor circuit with a variable threshold. This is very useful for compression of vocals, and snare drums, for example, so you might consider connecting your microphones and drum mics to these channels, rather than other channels.

When the incoming signals exceed the threshold level set by this knob, the signal level is automatically compressed. This reduces the dynamic range, and reduces the chance of distortion due to overloading the input signals.

Dynamic range is the difference in level between the quietest and loudest parts of a song. A compressor "squeezes" the dynamic

range, resulting in an overall steadier, more constant volume level for the signal. It helps sources, such as vocals, "sit" properly in the mix; it is very useful for live sound.

The compression ratio is ﬁxed at around 6:1, with a soft knee response. The threshold can be adjusted clockwise from off (no compression) to 0 dBu (max).

As an example, suppose the threshold is set to maximum. An incoming signal reaches the threshold of 0 dBu. As it increases beyond the threshold, it becomes compressed at a ratio of 6:1. This means that even if the input further increases by 6 dB, the actual output only increases by 1 dB. This compresses the output signal, so there is more protection to your system from distortion and overload due to poor microphone technique (say it ain't so) and general pops, bangs and heavy metal screaming. The soft knee means that the compression slowly ramps up to 6:1 from the threshold. It does not jump abruptly to 6:1, as this would be hard knee compression, and harder on the ears too.

The graph on this page shows the input signal level going into the compressor, versus the output level coming out of it. It is the typical graph to see when compressors are discussed, and is just the kind of thing our engineers like to discuss during the company Christmas party*.

If the compressor is off, then the input = output. For example an input signal level of +5 dBu results in an output level of +5 dBu. The diagonal line from lower left to upper right represents x = y, that is, input = output.

At the maximum compression, the threshold is set at 0 dBu, and the input to output relationship is represented by the lower curve. If the input is -5 dBu (that is, below the threshold), the output is -5 dBu. As the input reaches 0 dBu, the output is a bit less than 0 dBu. If the input is +5 dBu, the output is about +2 dBu. If the input reaches +10 dBu, then the output is +3 dBu. Notice the shapely curve of the soft knee between the diagonal slope of x = y and the compressor slope of 6:1 (the compression ratio).

The other blue curves represent in-between positions of the compressor knob, with higher thresholds before compression begins.

Outboard compressors often have controls such as compression ratio, threshold, soft knee/hard knee, attack time, and release time. These last two affect how quickly the compressor kicks in when the input exceeds the threshold, and how quickly it is released after it drops below the threshold. In this compressor, these parameters are specially chosen to give you the best overall performance.

Adjust the threshold carefully, so your dynamic range is still lovely, without distortion or overload during the performance. Run through a few practice screams and high-notes, and adjust the compression as required.

* My High School math teacher, Mr. Marvin, thought that

graphsmightcomeinhandyformeoneday.Finally!

18 VLZ3 4•Bus

AUX

EQ

INT FX

AUX 5/6

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27. AUX SENDS 1-6

29. INT FX 1-2 / AUX SENDS 5-6

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34

Mono channel

volume when the channel level is adjusted. For external processors, use post. In this way, the feed to external processors will vary with the channel level, keeping them in the same ratio (wet/dry).

28. PRE-FADER / AUX SENDS 1-2

stage monitor applications. Aux sends 3-4 may be set to pre- or post-fader, so they may be used for monitors or effects.

not commited to marriage), aux 3 and 4 deliver signals post-insert, post-low cut, post EQ, post-mute and prefader. Any changes made to the channel controls, except the fader, will affect the aux send signal.

3 and 4 deliver signals post-insert, post-low cut, postmute, post-EQ and post-fader. Any changes made to the channel controls will affect the aux send signal.

These controls allow you to set up to six independent mixes, typically for running stage monitors or external effects processors.

The controls are off when turned fully down, deliver unity gain at the center, and can provide up to 15 dB of gain turned fully up. Chances are that you will never need this extra gain, but it's nice to know that it's there if you do.

28

Aux Sends 1-6 [13] are line-level outputs, and are used if you want to connect external processors, powered stage monitors, or external power amps with passive stage monitors. Stereo Returns 1-2 [5]

30

are line-level inputs, typically used to return the output from external processors back to the main mix.

Carefully adjust how much of each channel appears in your aux mixes. For example, if you are running stage monitors, and someone wants "more me, and less them," adjust these carefully.

Aux sends 3-4 can either be pre or post fader, depending on the position of the aux pre/post switches [28]. For stage monitor work, use pre, so the stage monitors do not increase in

Aux sends 1-2 are always pre-fader, designed for

Pre-fader: with the pre switch engaged (pressed in,

Post-fader: with the pre switch disengaged (up), aux

These controls have dual functions depending on what your needs are at any given time. They allow you to send signal either to internal effects FX1 and FX2, or to aux 5 and aux 6, typically used for running stage monitors or external effects processors.

Aux Sends 5-6 (or FX1-2) are post-fader. Any changes made to the channel controls will affect the signal going to the internal effects processors or to the aux 5-6 output jacks [13]. Adjustments to the channel fader [43], gain [23] and channel EQ [31-36] will affect the feed going to the internal effects processors.

30. INT FX / AUX 5-6 Switch

This switch determines if that channel's controls [29, above] will be used for running the internal effects processors (engaged) or as aux 5-6 (disengaged).

CHANNEL EQUALIZATION (EQ)

All VLZ34•Bus mono channels have 3-band EQ with shelving high, peaking mid with adjustable mid frequency and shelving low. The stereo channels have peaking hi-mid and peaking low-mid EQ controls in addition to the shelving high and shelving low EQ controls.

Shelving means that the circuitry boosts or cuts all frequencies past the speciﬁed frequency. For example, the low EQ boosts bass frequencies below 80 Hz and continuing down to the lowest note you never heard. Peaking means that certain frequencies form a “hill” around the center frequency.

With too much EQ, you can really upset things. We’ve designed a lot of boost and cut into each equalizer circuit because we know that everyone will occasionally need that. But if you max the EQ on every channel, you’ll get mix mush. Equalize subtly and use the left sides of the knobs (cut), as well as the right (boost). If you ﬁnd yourself repeatedly using a lot of boost or cut, consider altering the sound source, such as placing a mic differently, trying a different kind of mic, a different vocalist, changing the strings, or gargling.

Owner's Manual 19

31. HIGH EQ

20Hz100

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37. PAN

The high EQ provides up to 15 dB of boost or cut above 12 kHz, and it is also ﬂat (no boost or cut) at the detent. Use it to add sizzle to cymbals, an overall sense of transparency, or an edge to keyboards, vocals, guitar and bacon frying. Turn it down a little to reduce sibilance or to mask tape hiss.

32. MID EQ and 33. FREQ (mono channels only)

The mono channels employ a semi-parametric mid-sweep EQ. The gain (up to 15 dB of boost or cut) is set via the mid eq [32], and then "aimed" at a speciﬁc frequency, from 100 Hz to 8 kHz, via freq [33].

34. LOW EQ

The low EQ provides up to 15 dB of boost or cut below 80 Hz. The circuit is ﬂat at the center detent position. This frequency represents the punch in bass drums, bass guitar, fat synth patches, and some really serious male singers who eat raw beef for breakfast.

35. HIGH MID EQ LEVEL (stereo channels only)

The high mid EQ provides up to 15 dB of boost or cut at 2.5 kHz, and it is ﬂat at the detent. Midrange EQ is often thought of as the most dynamic because the frequencies that deﬁne any particular sound are almost always found within this range. For example, the female vocal range as well as the fundamentals and harmonics of many higher-timbred instruments.

36. LOW MID EQ LEVEL (stereo channels only)

The low mid EQ provides up to 15 dB of boost or cut at 400 Hz, and is ﬂat at the detent. Frequencies affected typically include the male vocal range as well as the fundamentals and harmonics of many lower-timbred instruments.

This control allows you to adjust how much of the channel signal is sent to the left versus the right outputs.

With the knob panned hard left, the signal feeds the main left, group 1, or

27

group 3 busses, depending on the setting of the assign switches [42]. With the knob panned hard right, the signal feeds the main right, group 2, or group 4 busses, again dependent on the setting of the assign switches [42].

28

The pan control employs a design called “Constant Loudness.” If you have a channel panned hard left (or

29

right) and then pan to the center, the signal is attenuated about 3 dB to maintain the same apparent loudness. Otherwise, it would make the sound

30

appear much louder when panned center. This control is properly called "BAL" for balance in the stereo

31

channels.

35

38. MUTE

Mute switches do just what they sound like they do. They turn off the signal by “routing” it into oblivion. Engaging a channel's mute switch (almost) provides the same results as turning the fader all the way down (a pre-aux send is not affected by the channel fader, but it is by the mute switch). Any channel assignments to main mix, group 1-2, or group 3-4 will be interrupted and all of the aux sends will be silenced (both pre- and post-fader). The channel insert [3] will continue to provide a signal when a channel is muted. The OL LED [39] will illuminate when a channel's mute switch is engaged.

39. OL LED

This LED indicates the channel’s signal level after the gain and EQ controls, but just before the channel’s level. So even if the level is turned down, you can see if the channel is being overloaded.

36

34

37

38

39 40

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Stereo channel

20 VLZ3 4•Bus

The OL (overload) LED will come on when the channel’s input signal is too high. This should be avoided, as distortion will occur. If the OL LED comes on regularly, check that the gain control [23] is set correctly for your input device, and that the channel EQ is not set with too much boost. The OL LED will also illuminate when a channel's mute switch [38] is engaged.

40. SIG LED

This LED also indicates the channel’s signal level after the gain and EQ controls, but just before the channel’s level. So even if the level is turned down, you can see if a signal is present.

With the pan knob at the center detent, the left and right sides receive equal signal levels (main mix L-R, group 1-2, and group 3-4). To feed only one side or the other, turn the pan knob accordingly.

If you are doing a mixdown to a 2-track, for example, simply engage the main mix switch on each channel that you want to hear, and they will be sent to the main mix bus. If you want to create a group of certain channels, engage either the 1-2 or 3-4 switches instead of the main mix, and they will be sent to the appropriate group faders. From there, the groups may be sent back to the main mix (using the group assign switches [73] above the group faders [74]), allowing you to use the group faders as a master control for those channels.

The SIG (signal) LED will come on when the channel’s input signal (at least -20 dBu) is present. It should illuminate non-stop if signal above 0 dBu is present in that channel. This LED will be solid when a channel's solo switch [41] is engaged.

41. SOLO

Whenever a channel's solo switch is engaged, you will hear only the soloed channel(s) in the headphones and monitor outputs. This gives you the opportunity to audition the channels before they are added to the main mix. In PFL mode you can hear the solo signal, even when the channel's fader is down.

Solo is also used to set the gain of each channel correctly. When a channel is soloed, you can adjust the channel gain [23] until your input source reaches the level of the 0 dB LED of the left meter. Select PFL on the SOLO MODE switch [60] for gain setting.

Solo signals reaching the headphones and monitor outputs are not affected by the channel level (unless the SOLO MODE switch

is set to AFL) or main level; therefore, turn down the phones level [69] and monitor level [68] ﬁrst, as soloed channels may be loud.

The rude solo light [59] will turn on as a reminder that what you are listening to in the headphones and control room is just the soloed channel(s), 2-track return, stereo return(s), aux(es), and/or group(s). If the solo source is an input channel, that channel's SIG (signal) LED [40] will illuminate when that channel is soloed.

42. ASSIGN

Alongside each channel fader are three buttons referred to as channel assignment switches. Used in conjunction with the channel's pan knob [37], they are used to determine the destination of the channel's signal.

If you are creating new tracks or bouncing existing ones, you will also use the 1-2 and 3-4 switches, but not the main mix switch. Here you do not want the groups sent back into the main mix bus, but sent out, via the group out jacks [11], to your multitrack inputs.

43. CHANNEL FADER

This is the last control in a channel’s signal path, and it adjusts the level of each channel onto the main mix. The “U” mark indicates unity gain, meaning no increase or decrease of signal level. All the way up provides an additional 10 dB, should you need to boost a section of a song. If you ﬁnd that the overall level is too quiet or too loud with the level near unity, check that the gain control [23] is set correctly.

44. FX1 and FX2

When engaged, these switches, located just below the stereo channels' gain controls [23], indicate that you want to return the internal FX processor signal to the stereo channel. The TRS inputs are disengaged when the switch is depressed.

Remember to turn the FX processor level controls to aux 1/2 and main all the way down to avoid double-bussing the FX return.

See Appendix E (page 37) for a list of the effects provided and a description of each one.

45. USB Switch

The USB switch on the last stereo channel provides stereo playback of iTunes connection. Like any other input, this signal may also be EQ'd, sent to an aux bus, or mixed in with the other signals and assigned to subgroups or main outs. This switch overrides both the TRS inputs [5] and the FX2 switch [44].

®

, or a DAW via the USB

Owner's Manual 21

2404

SOLO

1

SOLO

1

2

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MAIN

STEREO RETURNSAUX MASTERS

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AFL

GRP 1-2

CH 1-2 CH 3-4

AUX 5-6

PWR

48V

TAPE

USB

2-TRACK RETURN USB OUT

GRP 3-4

MAIN L/R

LEVEL

SET

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495350 51

So, the original unprocessed “dry” signals go from the channels to the main mix, and the processed “wet” signals go from the stereo returns to the main mix, and once mixed together, the dry and wet signals combine to

createaglorioussound!

56 57

Pre-fader aux sends are typically used to provide another mix for stage monitors. If no external effects are being used, the stereo returns can be used as additional stereo inputs, or not used at all.

52

2-Track, USB, Aux Masters and Meters

This section includes the 2-track returns, USB, aux masters and stereo returns, and the meters. A 4x2 USB recording and playback function is at your disposal. This means up to four signals may be recorded simultaneously and a stereo mix returned to the mixer for playback.

The six auxes receive signals from the channels via the channel aux sends [27, 29]. Auxes 1-4 may also be fed from stereo returns 1-2 [54] and talkback [70, 71] and aux 1-2 may get internal effects processor output via the FX to AUX controls [62]. Any or all of these signals are mixed together, sautéed to a turn and sent out the aux send jacks [13] after the optimum output level is determined by the aux masters [52]. Aux sends from the channels are pre-fader (aux 1-2), selectable pre- or post-fader (aux 3-4), and post-fader (aux 5-6). All are post-EQ.

Post-fader aux sends can be fed to the inputs of an external processor like a reverb or digital delay. From there, the outputs of this external processor are fed back to the mixer’s stereo return jacks [5]. Then these signals are sent through the stereo return level controls [54], and ﬁnally delivered to the main mix or to auxes 1-4 to add effects to monitors if so desired by the talent

["Moreme!Morereverb!"].

58

54

59

55 60

Read on to learn more about these features...

46. LAMP

This female BNC connector provides 12 volts DC with the center pin positive. Connect any quality gooseneck lamp here.

47. SUCK KNOB

If the band performing asks you if you can make them sound better, reply with a resounding 'yes, indeed I can make you sound better...I will turn down the Suck Knob

[47]whichwilldowondersforyourband!"

Asseen,itisbrokendowninpercentages,from0% suck(turnedfullycounter-clockwise)to100%suck

(turned fully clockwise). This way you get to determine the 'Suck Factor Percentage' (SFP) of the band.

If they follow instructions, buy you beers, and are a swell bunch, turn the knob counter-clockwise. If the drummer hits the snare drum or the guitarist does a screaming harmonic dive-bomb while you're setting up mics on their respective equipment (and thusly helping to ruin your hearing...huh?), feel free to crank the knob clockwise.

48. 2-TRACK RETURN LEVEL

This knob controls the overall level to the mains of the tape (RCA) or USB, depending on the position of the 2-track return tape/USB switch [50]. This knob's level ranges from off, through unity (center detent position), on up to 20 dB of extra gain (fully clockwise).

49. 2-TRACK RETURN SOLO

This switch sends the 2-track return (tape or USB, depending on the position of the switch[50]) to the solo bus.

50. 2-TRACK RETURN TAPE/USB

This determines if the 2-track return gets its signal from the RCA "tape" inputs (switch disengaged) or USB (switch engaged).

22 VLZ3 4•Bus

53. MASTER AUX SENDS SOLO

2404

SOLO

1

SOLO

1

2

3

4

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SOLO

SOLO MODE

MAIN

STEREO RETURNSAUX MASTERS

SOLO

+15

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AUX

MAIN

MIX

0 dB=0 dBu

RUDE SOLO

20

10

7

4

2

0

2

4

7

10

20

30

LEFT RIGHT

SOLO

+20

OO

TO MAIN

PFL AFL

GRP 1-2

CH 1-2 CH 3-4

AUX 5-6

PWR

48V

TAPE

USB

2-TRACK RETURN USB OUT

GRP 3-4

MAIN L/R

LEVEL

SET

U

+15

OO

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495350 51

52

56 57

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59

55 60

This button allows you to solo an individual aux send. If you are using the aux sends to feed your stage monitors, you may use these buttons to check your monitor mix. The rude solo LED [59] will ﬂash to let you know the solo system is active.

The aux send solo is AFL and is not affected by the solo mode switch (PFL/AFL) [60], except that in PFL mode only the left meter indicates the signal.

54. STEREO RETURNS 1-2 to AUX 1-4/MAIN

These ten controls set the overall level of line signals received from the stereo return 1-2 inputs [5]. These controls range from off to +15 db of gain when fully clockwise, to compensate for low-level effects.

Signals passing through these controls go directly to the main mix and aux 1-4 buses where they are combined with signals from the channels.

55. STEREO RETURNS SOLO

This button allows you to solo a stereo return. The rude solo LED [59] will ﬂash to let you know that the solo system is active. Since this is an input, this signal is affected by the PFL/AFL master switch.

51. USB OUT

These two switches allow for monstrous ﬂexibility on the four recordable signals. The default switch conﬁguration (disengaged) routes subgroups 1-4 over the USB connection to your favorite DAW software for a "mix it later" 4-track recording. Engaging the switch on the left allows the main L-R mix to be recorded for convenient stereo mixes of the show. The other switch allows aux 5/6 to be sent to the DAW for a unique stereo recording or the use of DAW plug-ins as effects.

52. MASTER AUX SENDS 1-6

These knobs provide overall control over the aux send levels, just before they are delivered to the aux send outputs [13]. These knobs go from off to +15 db when turned all the way up.

This is usually the knob you turn up when the lead singer glares at you, points at his stage monitor, and sticks his thumb up in the air. (It would follow that if the singer stuck his thumb down, you’d turn the knob down, but that never happens.)

Keep in mind that aux sends 3-4 may either be pre or post fader, depending on the position of the channel's aux pre/post switch [28].

56. 48V LED

Most modern professional condenser mics require 48V phantom power, which lets the mixer send low-current DC voltage to the mic’s electronics through the same wires that carry audio. (Semi-pro condenser mics often have batteries to accomplish the same thing.) “Phantom” owes its name to an ability to be “unseen” by dynamic mics (Shure SM57/SM58, for instance), which don’t need external power and aren’t affected by it anyway.

Phantom power for all mic inputs (except the talkback mic) may be selected by pressing up on the mixer's phantom [21] switch.

Never plug single-ended (unbalanced) micro phones, or ribbon mics into the mic

input jacks if phantom power is on. Do not plug instrument outputs into the mic XLR input jacks with phantom power on, unless you are certain it is safe to do so.

57. POWER LED

This green LED will illuminate when the mixer is turned on, as a reminder of how on it really is. If it is not on, then it is off, and the mixer becomes a rather nice weight for keeping your morning newspaper from blowing away in the wind.

If it does not turn on, make sure the power cord is correctly inserted at both ends, the local AC mains supply is active, and the power switch [20] is on.

Owner's Manual 23

58. LEFT/RIGHT Level Meters

60. SOLO MODE

These peak meters are made up of two columns of twelve LEDs, with three colors to indicate different ranges of signal level, trafﬁc light style. They range from –30 at the bottom, to 0 in the middle, to +20 (CLIP) at the top.

When a channel is soloed in PFL, the right meter shows no reading, and the left meter shows the level of that channel’s signal level, pre-fader.

In AFL, both left and right meters illuminate to indicate the 'After Fader Level' of the signal and stereo imaging. AFL is always used for outputs, regardless of the position of the PFL/AFL master switch, as you always want to view the output level after the fader.

The left meter's 0 dB LED is labeled "level set" to show where the level should be when adjusting a channel’s gain [23] in the solo mode (as described in “Set the Levels” on page 3).

When 0 dBu (0.775 V) is at the main left and right TRS outputs [7], it shows as 0 dB on the meters.

You can get a good mix with peaks ﬂashing anywhere between –20 and +10 dB on the meters. Most ampliﬁers clip at about +10 dBu, and some recorders aren’t so forgiving either. For best real-world results, try to keep your peaks between “0” and “+6.” Remember, audio meters are just tools to help assure you that your levels are “in the ballpark.” You don’t have to stare at them (unless you want to).

Engaging a channel's solo switch [41] will cause this dramatic turn of events: Any existing source selection is immediately replaced by the solo signal, appearing at the monitor outputs [15, 16], phones [17] and at the left meter [58] (left and right meters when in AFL solo mode). The audible solo levels are then controlled by the solo knob [67]. The discrete level controls for headphones and monitor outputs are dependent on what is plugged in.

With the solo mode switch in the up position, you are in PFL mode, meaning Pre-Fader Listen. This mode is required for the "Set the Levels" procedure and is handy for quick spot-checks of channels, especially ones that have their faders turned down. PFL mode is only available to input signals. While in PFL mode, if an output is soloed, its signal will show up, but it will be an AFL signal.

With the solo mode switch down, you are in AFL mode, meaning After-Fader Listen. You will be able to hear the stereo output of the soloed channel - it will follow the channel's fader [43] and pan [37] settings. It is similar to muting all of the other channels, but without the hassle. AFL mode is the only soloing mode for subgroups and aux masters. Subgroups 1-2 or 3-4 may be soloed simultaneously for a true stereo image.

AFL is a new feature available to channel inputs and provides a mixdown solution that allows soloing the mix as it is on the faders.

59. RUDE SOLO Light

This large red LED ﬂashes when one or more solo switches are engaged [41, 49, 53, 55, 73]. This acts as a reminder that what you hear in the control room and headphones is the soloed channel(s), 2-track return, stereo return, aux(es), and/or group(s). If you forget that you are in solo mode, you can easily be tricked into thinking that something is wrong with your mixer. Hence, the rude solo light. Please forgive its rudeness, it is only trying to help, and wants to be your friend.

In PFL mode, solo will not be affected by a channel's

mute switch [38] position.

Remember, PFL mode taps the channel signal before the fader. If you have a channel's fader

set way below "U" (unity gain), solo will not know that and will send a unity gain signal to the monitor outputs [15, 16], phones output [17], and meter display [58]. That may result in a startling level boost at these outputs when switching from AFL to PFL mode, depending on the position of the solo level knob [67].

24 VLZ3 4•Bus

SOLO

LEFT

TAP

DELAY

INT FX

MUTE

PUSH

TO TALK

TALKBACKGROUPS

MAIN

RIGHT

AUX 1-4

STEREO

RIGHT

SOLO

LEFT

TO AUX 1

TO AUX 2

SOLO

PHONES

MONITOR

TAP

DELAY

INT FX

MUTE

TO AUX 1

TO AUX 2

RIGHT

SOLO

STEREO

LEFT

RIGHT

SOLO

LEFT

SEND MASTERSEND MASTER

TO MAINTO MAIN

FX

2

FX

1

1 2 3 4

MAIN MIX

U

MAX

OO

U

MAX

OO

U

MAX

OO

U

MAX

OO

U

MAX

OO

SIG/OLSIG/OL

MAX

OO

U

MAX

OO

U

MAX

OO

U

MAX

OO

U

MAX

OO

U

MAX

OO

U

MAX

OO

OFF MAX

COMP

OFF MAX

COMP

OFF MAX

COMP

OFF MAX

COMP

LEVEL

dB

30

20

10

OO

40 50

5

U

60

10

dB

30

20

10

OO

40 50

5

U

60

10

dB

30

20

10

OO

40 50

5

U

60

10

dB

30

20

10

OO

40 50

5

U

60

10

dB

30

20

10

OO

40 50

5

U

60

10

63

61 67

64

62

68

Or the FX returns may be routed to the stereo input channels[23/24 on the 2404 VLZ3, 31/32 on the 3204 VLZ3], using the the FX1 and/or FX2 switches [44]. This allows for way more ﬂexibility. For example, you can EQ the FX and send them to any aux, group, or main. Just remember to turn the 'to aux 1', 'to aux 2' and 'to main' knobs [62] fully counter-clockwise to avoid double-bussing.

65

66

73

74 75

Stereo Effects Processors, Headphones, Talkback, Main and Groups Mix*

There are two identical Mackie Running-Man 32-bit internal effects processors. They are mono-in, stereo-out effects processors, with 24 presets each. Signals to these effects processors come from adjusting the FX1 and/or FX2 aux send [29] on each channel and the FX masters [61].

The stereo output from each processor may be added to the main mix using the 'FX to main' knob [62]. The stereo output from each processor may also be added to aux 1 and/or aux 2 by adjusting the 'FX to aux' control [62].

69

7072

71

The talkback feature allows the engineer to communicate with the talent either through the phones output [17] or the aux 1-4 send outputs [13] using an external talkback microphone. This saves a lot of shouting over the audience's heads as you set up the talented one's stage monitors to their peculiarly-picky satisfaction.

61. FX1 and FX2 SEND MASTER

These knobs control the level of the signals going into each internal effects processor. Adjust them carefully, keeping an eye on the adjacent sig/ol LED [63] to prevent overloading the effects processor.

62. FX1 and FX2 TO AUX 1/AUX 2/MAIN

These knobs route the effects output to aux 1, aux 2 and mains independently. Use aux 1 and aux 2 to provide effects to monitors. Slowly add effects to the monitors by turning the 'to aux 1' and 'to aux 2' knobs clockwise. Use the aux master to monitor the amount sent. The FX output to the mains will be heard directly from the PA.

63. SIG/OL LED

These dual-LEDs illuminate green when the signal level going into each effects processor is within a good operating range (sig). They illuminate red if the effects processor is overloaded with too strong of a signal (ol). Turn down the send master levels [61] and check the channel sends if these light red regularly.

The signals going into the processors are affected by the channels' aux 5/6 sends [29], the channel gain [23], EQ [31-36], and channel faders [43], as well as the FX Send Master [61].

64. PRESET DISPLAY

These displays show the number of the currently selected effects preset, as shown in the list of presets silkscreened above. Rotate the preset selector knob right or left to change a preset.

A new preset will be loaded approximately 1/4 of a second after you stop turning the knob, and it will be stored into the FX memory after about one second.

WhentheVLZ34•Busmixeristurnedon,theFX 

section will load up the last-used preset.

* Affectionately referred to as the 'meat 'n potatoes'.

Owner's Manual 25

SOLO

LEFT

TAP

DELAY

INT FX

MUTE

PUSH

TO TALK

TALKBACKGROUPS

MAIN

RIGHT

AUX 1-4

STEREO

RIGHT

SOLO

LEFT

TO AUX 1

TO AUX 2

SOLO

PHONES

MONITOR

TAP

DELAY

INT FX

MUTE

TO AUX 1

TO AUX 2

RIGHT

SOLO

STEREO

LEFT

RIGHT

SOLO

LEFT

SEND MASTERSEND MASTER

TO MAINTO MAIN

FX

2

FX

1

1 2 3 4

MAIN MIX

U

MAX

OO

U

MAX

OO

U

MAX

OO

U

MAX

OO

U

MAX

OO

SIG/OLSIG/OL

MAX

OO

U

MAX

OO

U

MAX

OO

U

MAX

OO

U

MAX

OO

U

MAX

OO

U

MAX

OO

OFF MAX

COMP

OFF MAX

COMP

OFF MAX

COMP

OFF MAX

COMP

LEVEL

dB

30

20

10

OO

40 50

5

U

60

10

dB

30

20

10

OO

40 50

5

U

60

10

dB

30

20

10

OO

40 50

5

U

60

10

dB

30

20

10

OO

40 50

5

U

60

10

dB

30

20

10

OO

40 50

5

U

60

10

63

61 67

64

62

68

65

69

66

7072

1 Plate Reverb 13 Chorus

2 Vocal Plate 14 Chorus + Reverb

3 Warm Room 15 Doubler

4 Bright Room 16 Tape Slap

5 Warm Lounge 17 Delay 1 Brt 350ms

6 Small Stage 18 Delay 1 Wrm 300ms

7 Warm Theater 19 Delay 2 Brt 250ms

8 Bright Stage 20 Delay 2 Wrm 200ms

9 Warm Hall 21 Delay 3 Brt 175ms

10 Concert Hall 22 Delay 3 Wrm 150ms

11 Cathedral 23 Chorus + Dly 300ms

12 Gated Reverb 24 Reverb + Dly 200ms

The knob also offers a tap delay function for presets 17-24. This works as follows:

73

65. PRESET SELECTOR, TAP DELAY and LED

Rotate these endless controls to select one of the 24 preset effects. When the rotation stops, that preset will be loaded and become operational. The current preset number is shown in the display [64]. The different presets are shown in the table below and on the silkscreen in the upper right hand corner of the

VLZ34•Busmixer.Furtherdetailsofeachpresetare

explained in Appendix E on page 37.

74 75

71

1. Use the knob to select a preset from 17 to 24.

2. Press the knob in at least two times.

The DSP processor will calculate the time delay

between the last two pushes, and it will assign this time interval to the echoes of the current digital delay.

The minimum tap delay is 50 ms and the

maximum is 500 ms.

• Ifyourtapsarefasterthan50ms,theywill

be set to 50 ms.

• Iftapsare500msto1second,theywillbe

set to 500 ms.

• Iftapsaregreaterthan1secondapart,

they will be ignored. Try again a bit faster.

3. The LED will ﬂash in time with the new tap delay time.

66. INTERNAL FX MUTE

When engaged, the internal effects processor is muted, and its output will not appear on the main mix, monitor mix...or anywhere for that matter. The adjacent mute LED will come on as a reminder that the effects are muted. When power is ﬁrst applied, these LEDs will illuminate and the FX will be muted for about 10 seconds while the little FX gerbils inside settle down.

If this switch is not engaged, then the internal effects are set free and may be added as required to the main mix, monitor mix and last two stereo channels.

67. SOLO LEVEL

This knob is used to adjust the volume of the soloed signal as it is routed to the monitor [15, 16] and phones [17] outputs. This control is independent of, and prior to, the monitor [68] and phones [69] level controls.

26 VLZ3 4•Bus

68. MONITOR LEVEL

This knob is used to adjust the volume at the monitor

output [15, 16], from off to maximum gain (max).

69. PHONES LEVEL

This knob is used to adjust the volume at the phones output [17], from off to maximum gain (max). If solo is not active, the monitor, phones and meter are fed the post-fader main mix signal.

WARNING: The headphone amp is loud, and can cause permanent hearing damage. Even intermediate levels may be painfully loud

withsomeheadphones.BECAREFUL!Alwaysturnthis

control all the way down before connecting headphones, or pressing a solo switch [41, 49, 53, 55, 73], or doing anything new that may affect the headphone volume. Then turn it up slowly as you listen carefully.

70. TALKBACK LEVEL

NOTE: The talkback destination switches are latching switches, not momentary. In

other words, there is no need to hold down the switch(es) when using the talkback feature. Simply engage the switch(es) and begin talking. But don't forget to disengage the switch when you're done talking to them, or they may hear your unﬂattering remarks regarding their choice of apparel.

NOTE #2: The talkback will not work unless

you have a microphone attached to the

talkback mic input [19].

72. COMPRESSOR

EachofthefourgroupsintheVLZ34•Busmixerhas

an in-line compressor circuit with a variable threshold. This is very useful for compression of vocals, and snare drums, for example. See page 17 for an entire

page(andagrapheven!)dedicatedentirelyto

explaining compression.

Use this knob to control the level of the talkback signal being routed to the main mix or aux 1-4 outputs, from the internal microphone.

1. Start with this control turned down.

2. Select the destination, either main mix and/or aux 1-4 [71], and make sure that their levels are already set nicely, using the main mix fader [75] or aux masters [52].

3. Slowly turn this control up until you get conﬁrmation from whoever is listening that they can hear and obey your every command.

Once you have set the level, you can leave it there for

the duration of the session or gig.

71. PUSH TO TALK: MAIN, AUX 1-4

Push in the main switch to route the talkback signal to the main outputs. Use this to communicate with the talent in the studio through the headphones during a recording session.

The aux 1-4 switch routes the talkback signal to the aux send 1-4 outputs [13]. Use this to communicate with the musicians through their stage monitors when you are setting up a live performance.

It is ﬁne to have both destination switches pushed in at the same time, so the talkback signal will be routed to both destinations. But if you don’t have either of the destination switches engaged, the talkback signal won’t go anywhere. You might as well be talking to a brick wall.

73. GROUPS ASSIGN

One popular use of the groups is to use them as master faders for a group of channels on their way to the main mix [75]. Let us say you have a drum kit hogging up seven channels and you are going to want to control their group volume more conveniently. You do not want to try that with seven hands or seven ﬁngers, so just un-assign these channels from the main mix and reassign them to groups 1-2, engage the assign to main mix left on group 1 and assign to main mix right on group 2. Now you may ride the entire drum mix with two faders - groups 1 and 2.

If you engage just one assign to main mix button per group (left or right), the signal sent to the main mix [75] will be the same level as the group outs [11]. If you want the subgroup to appear in the center of the main mix, engage both the assign to main mix left and right buttons. The signal will be sent to both sides, and reduced in level by 3 dB like a pan pot, so the overall level is the same, whether the group is assigned to main left, main right, or both.

Each group may also be soloed. This does not mean that each member of a group gets their shot at a solo and stardom. Rather, this allows you to listen to the group in isolation via monitor outputs or headphones. Being an output, these signals are AFL.

Groups 1-2 and 3-4 are paired together for purposes of solo and work together differently in pﬂ and aﬂ modes. In pﬂ mode, since pﬂ is a mono bus, soloing Group 1 by itself, Group 2 by itself or both together will result in the same level solo signal, monaurally (assuming Groups 1 and 2 have the same levels of signal).

Owner's Manual 27

Aﬂ is a stereo solo bus, so in aﬂ mode, soloing Group 1 by itself places the signal on the left, Group 2 shows up on the right, and soloing both yields a stereo image, with Group 1 on the left and Group 2 on the right, and each reduced by 3 dB, not unlike using one of the channels' pan pots to center the signal. Groups 3 and 4 function similarly.

Solo signals reaching the headphones and monitor outputs are not affected by the

channel level or main level; therefore, turn down the phones level [69] and monitor level [68] ﬁrst, as soloed channels may be loud.

The rude solo light [59] will turn on as a reminder that what you are listening to in the headphones is just the soloed group(s).

74. GROUP 1-4 FADERS

As you might expect, these faders control the levels of the signals sent to the group outs [11]. All channels that are assigned to groups, not muted, and not turned fully down will appear at the group outs.

The group signal is off when its fader is fully down, the "U" marking is unity gain, and fully up provides 10 dB additional gain. Remember that if you are treating two groups as a stereo pair, group 1 and 2 for example, make sure that both group faders "ride" together to maintain the left/right balance.

75. MAIN MIX

This stereo fader allows you to adjust the levels of the main mix signals sent to the XLR and 1/4" main line-level outputs [7], and the tape outputs [6].

This gives you the ultimate feeling of power and control over the sound levels sent to your audience. Adjust this control carefully, with your good eye on the meters to check against overloading, and your good ear to the levels to make sure your audience (if any) is happy.

The main mix signals are off with the fader fully down, the “U” marking is unity gain, and fully up provides 10 dB of additional gain. This additional gain will typically never be needed, but once again, it’s nice to know that it’s there. The fader is stereo, as it affects both the left and right of the main mix equally. This is the ideal control to slowly bring down at the end of a song (or quickly in the middle of a song if the need ever arises).

This control does not affect the aux outputs [13]. This does, however, conclude the main portion of the owner's manual. From here on out it's all appendices. You should pour yourself a cold, frosty one and pat

yourselfonthebackformakingithere!

Ok, congratulations are now over. Time to plug in your

VLZ34•Busmixer,poweriton,andstarttwiddlin'some knobs!

28 VLZ3 4•Bus

Appendix A: Service Information

If you think your mixer has a problem, please check out the following troubleshooting tips and do your best to conﬁrm the problem. Visit the Support section of our website (www.mackie.com) where you will ﬁnd lots of useful information such as FAQs, documentation and any updated PC drivers etc. You may ﬁnd the answer to the problem without having to send your mixer away.

Troubleshooting

Bad Channel

• IsthechannelEQsetupnicely?

• Isthechannelgainsetcorrectly?

• Isthechannellevelupenough?

• IsthechannelOLledon?

• Isthechannelpansetinthemiddle?

• Trythesamesourcesignalinanotherchannel,

set up exactly like the suspect channel.

• Isphantompowerrequiredforyour

microphone?

Bad Output

• Isthemainlevelturnedup?

• AretheEQssettoreasonablelevels?

• Areanyauxreturnsmaxedout?

• Unpluganythingfromtheotherline-level

outputs, such as monitor out, just in case one of your external pieces has a problem.

• Makesurethatyouarenotoverdrivingyour

ampliﬁers. Check the loudspeaker average load impedance is not less than the minimum your ampliﬁer can handle. Check the speaker wiring.

Noise

• Turnthechannelgainsdown,onebyone.Ifthe

sound disappears, it’s either that channel or whatever is plugged into it, so unplug whatever that is. If the noise disappears, it’s from your whatever.

Power

• ThepowerLEDshouldcomeonifthemixeris

connected to a suitable live AC mains outlet, and the power switch is on. Check to make sure that the power cord is securely plugged in.

Repair

For warranty service, refer to the warranty

information on page 38.

Non-warranty service for Mackie products is available at a factory-authorized service center. To locate your nearest service center, visit www.mackie.com, click “Support” and select “Locate a Service Center.” Service for Mackie products living outside the United States can be obtained through local dealers or distributors.

If you do not have access to our website, you can call our Tech Support department at 1-800-898-3211, Monday-Friday during normal business hours, Paciﬁc Time, to explain the problem. Tech Support will tell you where the nearest factory-authorized service center is located in your area.

Owner's Manual 29

Appendix B: Connections

2

3

1

SHIELD

COLD

HOT

SHIELD

COLD

HOT

3

SHIELD

COLD

HOT

3

2

1

SLEEVE

TIP

TIPSLEEVE

TIP

SLEEVE

TIPSLEEVE

TIP

RING

TIP

SLEEVERING

SLEEVE

TIP

TIPSLEEVE

TIP

SLEEVE

TIPSLEEVETIPSLEEVE

“XLR” Connectors

Mackie mixers use 3-pin female “XLR” connectors on all microphone inputs, with pin 1 wired to the grounded (earthed) shield, pin 2 wired to the “high” (”hot” or positive polarity) side of the audio signal and pin 3 wired to the “low” (“cold” or negative polarity) side of the signal. See Figure A.

Use a male “XLR”-type connector, usually found on the nether end of what is called a “mic cable,” to connect to a female XLR jack.

Figure A: XLR Connectors

1

⁄4" TRS Phone Plugs and Jacks

“TRS” stands for Tip-Ring-Sleeve, the three

1

connections available on a “stereo”

⁄4" or “balanced”

phone jack or plug. See Figure B.

TRS jacks and plugs are used in several different applications:

• UnbalancedSend/Returncircuits.Whenwired

as send/return “Y” connector, a 1⁄4" TRS jack or plug is connected tip to signal send (output from mixer), ring to signal return (input back into mixer), and sleeve to ground (earth).

1

⁄4" TS Phone Plugs and Jacks

“TS” stands for Tip-Sleeve, the two connections available on a “mono” 1⁄4" phone jack or plug. See Figure C.

Figure C: TS Plug

TS jacks and plugs are used in many different applications, always unbalanced. The tip is connected to the audio signal and the sleeve to ground (earth). Some examples:

• Unbalancedmicrophones

• Electricguitarsandelectronicinstruments

• Unbalancedline-levelconnections

• Speakerconnections

Don’tuseguitarcordsforspeakercables!

They’re not designed to handle speaker-level signals and could overheat.

Figure B: 1⁄4" TRS Plugs

• Balancedmonocircuits.Whenwiredasa

balanced connector, a 1⁄4" TRS jack or plug is connected tip to signal high (hot), ring to signal low (cold), and sleeve to ground (earth).

• StereoHeadphones,andrarely,stereo

microphones and stereo line connections. When wired for stereo, a 1⁄4" TRS jack or plug is connected tip to left, ring to right and sleeve to ground (earth). Mackie mixers do not directly accept 1-plug-type stereo micro phones. They must be separated into a left cord and a right cord, which are plugged into two mic preamps.

RCA Plugs and Jacks

RCA-type plugs (also known as phono plugs) and jacks are often used in home stereo and video equipment and in many other applications (Figure D). They are unbalanced and electrically identical to a 1⁄4" TS phone plug or jack. See Figure C. Connect the signal to the center post and the ground (earth) or shield to the surrounding “basket.”

Figure D: RCA Plug

Figure E: Does not appear in this owner's manual, due to a contractual obligation, but performs nightly at the downtown Woodinville Cocoa Rooms and Tea Bar

30 VLZ3 4•Bus

TRS Send/Receive Insert Jacks

“tip”

This plug c onnects to one of the mixer’s Channel Inse rt jacks.

“ring”

tip

ring

sleeve

SEND to proc essor

RETURN from processor

(TRS plug)

Direct out with no signal interruption to master.

Insert only to first “click.”

Channel Insert jack

Direct out with signal interruption to master.

Insert all the way in to the second “click.”

For use as an effects loop.

(TIP = SEND to effect, RING = RETURN from effect.)

MONO PLUG

STEREO

PLUG

Mackie’s single-jack inserts are the three- conductor, TRS 1⁄4" phone type. They are unbalanced, but have both the mixer output (send) and the mixer input (return) signals in one connector. See Figure F.

Figure F

The sleeve is the common ground (earth) for both signals. The send from the mixer to the external unit is carried on the tip, and the return from the unit to the mixer is on the ring.

Using the Send-only on an Insert Jack

If you insert a TS (mono) 1⁄4" plug only partially (to the ﬁrst click) into a Mackie insert jack, the plug will not activate the jack switch and will not open the insert loop in the circuit (thereby allowing the channel signal to continue on its merry way through the mixer).

This allows you to tap out the channel signal without interrupting normal operation.

If you push the 1⁄4" TS plug in to the second click, you will open the jack switch and create a direct out, which does interrupt the signal in that channel. See Figure G.

NOTE: Do not overload or short-circuit the signal you are tapping from the mixer. That will affect the internal signal.

Figure G

Owner's Manual 31

Appendix C: Technical Information

Speciﬁcations

Noise Characteristics:

(Mic in to Insert Send out, max gain.)

150 ohm termination: –129.0 dBu

(20 Hz–20 kHz bandwidth, 1/4" Main out, channel gains @ unity gain, channel EQs ﬂat, all channels assigned to Main Mix, odd channels panned left, even channels panned right.)

Main Mix fader unity, channel faders down: 2404: –87.0 dBu (–91.0 dB Signal to Noise Ratio, ref +4 dBu) 3204: –84.5 dBu (–88.5 dB Signal to Noise Ratio, ref +4 dBu)

Main Mix fader unity, channel faders @ unity: 2404: –81.5 dBu 3204: –80.0 dBu

Frequency Response:

(Mic input to any output.)

20 Hz to 50 kHz: +0 dB / –1 dB

20 Hz to 100 kHz: +0 dB / –3 dB

Distortion (THD+N):

(1 kHz 15 dB gain, 20 Hz–20 kHz bandwidth)

Mic in to insert send: <0.001%

Mic in to Main Out: <0.005%

Attenuation and Crosstalk:

(1 kHz relative to +10 dBu, 20 Hz–20 kHz bandwidth, Mic in, 1⁄4" Main Out, Gain @ unity.)

Channel Mute switch engaged: –90 dBu

Channel Fader down: –88 dBu

Common Mode Rejection Ratio (CMRR):

(Mic in to Insert Send out, max gain.)

1 kHz: better than –70 dB

Maximum Input and Output Levels:

Mic in: +21 dBu

All other inputs: +21 dBu

Main Mix XLR out: +27 dBu

All other outputs: +21 dBu

3-Band Equalization (mono channels)

Low: ±15 dB @ 80 Hz

Mid: ±15 dB sweep 100 Hz–8 kHz

High: ±15 dB @ 12 kHz

Low Cut Filter: 18 dB/octave, –3 dB @ 100 Hz

4-Band Equalization (stereo channels)

Low: ±15 dB @ 80 Hz

Low-Mid: ±15 dB @ 400 Hz

High-Mid: ±15 dB @ 2.5 kHz

High: ±15 dB @ 12 kHz

USB

Format: USB 1.1

I/O: Stereo Input, 4 Channel Output

A/D/A: 24 bit, 44.1 kHz / 48 kHz

Input and Output Impedance:

Mic in: 2.7 kΩ

Channel Insert return: 2.5 kΩ

All other inputs: 10 kΩ or greater

Tape out: <10 Ω

All other outputs: 120 Ω

AC Power Requirements:

Power Consumption: 55 watts (2404-VLZ3) 65 watts (3204-VLZ3)

Universal AC Power Supply: 100 VAC – 240 VAC, 50-60 Hz

Physical Dimensions and Weight

Front Height: 1.8 in / 46.3 mm (both) Rear Height: 6.0 in / 153 mm (both)

Depth: 19.1 in / 486 mm (both)

Width: 29.4 in / 748 mm (2404-VLZ3)

38.0 in / 964 mm (3204-VLZ3)

Weight: 31 lb. / 14.1 kg (2404-VLZ3) 39 lb. / 17.7 kg (3204-VLZ3)

LOUD Technologies Inc. is always striving to improve our products by incorporating new and improved materials, components, and manufacturing methods. Therefore, we reserve the right to change these speciﬁcations at any time without notice.

“Mackie,” and the “Running Man” are registered trademarks of LOUD Technologies Inc. All other brand names mentioned are trademarks or registered trademarks of their respective holders, and are hereby acknowledged.

Please check our website for any updates to this manual: www.mackie.com.

32 VLZ3 4•Bus

Dimensions

50%

25% 75%

0% 100%

SUCK

GAIN1GAIN2GAIN3GAIN4GAIN5GAIN6GAIN7GAIN8GAIN9GAIN GAIN GAIN GAIN GAIN GAIN

10 11 12 13 14 15

GAIN GAIN GAIN GAIN GAIN GAIN

20 21/22 23/2417 18 19

GAIN

16

LOW CUT 100 Hz 18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT 100 Hz 18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT 100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT 100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT 100 Hz 18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT 100 Hz 18dB/OCT

LOW CUT

100 Hz

18dB/OCT

PAD

-20dB

LOW CUT

100 Hz

18dB/OCT

AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUX AUXAUX

2404

M

UT

E

1

M

UT

E

2

M

UT

E

3

M

UT

E

4

M

UT

E

5

M

UT

E

6

M

UT

E

7

M

UT

E

8

M

UT

E

9

M

UT

E

10

M

UT

E

11

M

UT

E

12

M

UT

E

13

M

UT

E

14

M

UT

E

15

M

UT

E

18

M

UT

E

19

M

UT

E

20

M

UT

E

21/22

M

UT

E

23/24

M

UT

E

16

M

UT

E

17

EQ

PANEQPANEQPANEQPANEQPANEQPANEQPANEQPANEQPANEQPANEQPANEQPANEQPANEQPANEQPAN

EQ EQ EQ EQ EQ EQ

PAN PAN PAN PAN BAL BAL

EQ

PAN

RL RL RL RL RL RL RL RL RL RL RL RL RL RL RL

RL RL RL RL RL RLRL

INT FX AUX 5/6

PRE

HI 12k

LOW 80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW 80Hz

MID

INT FX AUX 5/6

PRE

HI 12k

LOW 80Hz

MID

INT FX AUX 5/6

PRE

HI 12k

LOW 80Hz

MID

INT FX

AUX 5/6

PRE

HI 12k

LOW 80Hz

MID

INT FX

AUX 5/6

PRE

HI 12k

LOW 80Hz

MID

INT FX AUX 5/6

PRE

HI 12k

LOW 80Hz

MID

INT FX AUX 5/6

PRE

HI 12k

LOW 80Hz

MID

INT FX

AUX 5/6

PRE

HI 12k

LOW 80Hz

MID

INT FX

AUX 5/6

PRE

HI 12k

LOW 80Hz

MID

INT FX AUX 5/6

PRE

HI 12k

LOW 80Hz

MID

INT FX

AUX 5/6

PRE

HI 12k

LOW 80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW 80Hz

MID

INT FX AUX 5/6

PRE

HI 12k

LOW 80Hz

MID

INT FX

AUX 5/6

PRE

HI 12k

LOW 80Hz

MID

FREQ

INT FX AUX 5/6

PRE

SOLO

LEFT

INT FX AUX 5/6

PRE

HI 12k

LOW 80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW 80Hz

MID

INT FX AUX 5/6

PRE

HI

12k

LOW 80Hz

MID

HI 12k

LOW

80Hz

MID

HI

12k

LOW 80Hz

HI 12k

LOW 80Hz

LOW MID 400Hz

HI

MID

2.5k

LOW

MID

400Hz

HI MID

2.5k

INT FX AUX 5/6

PRE

INT FX

AUX 5/6

PRE

INT FX

AUX 5/6

PRE

HI 12k

LOW 80Hz

MID

FREQ

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

6

PUSH

TO TALK

TALKBACKGROUPS

MAIN

RIGHT

AUX 1-4

STEREO

RIGHT

SOLO

LEFT

TO AUX 1

TO AUX 2

SOLO

PHONES

MONITOR

TO AUX 1

TO AUX 2

RIGHT

SOLO

STEREO

LEFT

RIGHT

SOLO

LEFT

SEND MASTERSEND MASTER

TO MAINTO MAIN

FX2FX

1

1 2 3 4

MAIN MIX

1

2

3

4

2

SOLO MODE

MAIN

FX 1

USB

STEREO RETURNSAUX MASTERS

+15 +15

+15

U

MAX

U

MAX

U

MAX

FX 2

U

MAX

U

MAX

AUX

MAIN MIX

0 dB=0 dBu

RUDE SOLO

LEFTRIGHT

MAX

U

MAX

U

MAXUMAX

U

MAX

U

MAX

U

+20

TO MAIN

CH 1-2 CH 3-4

2-TRACK RETURN USB OUT

U

+15U+15 U

+15U+15 U U

MAX

OFF MAX

COMP

OFF MAX

COMP

OFF MAX

COMP

OFF MAX

COMP

LEVEL

U

+15

3

1

5

6

2

U

+15 U

+15

+15 U

4

U

+20-20U+20-20

OFF MAX OFF MAX OFF MAX OFF MAX

COMP COMP COMP COMP

U

+15 U

+15

U

+15 U

+15

SOLO

3-4

1-2

L/R

0 60

-45dB+15dB

8k100

U

-15U+15

-15 +15

U

OL

SIG

U

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

U

+15

U

+15

U

+15

U

+15

U

+15

U

+15

0 60

-45dB+15dB

8k100

U

-15U+15

-15 +15

U

+15

U

+15

U

+15

U

+15

U

+15

U

+15

0 60

-45dB+15dB

8k100

U

-15U+15

-15 +15

U

+15 U

+15

U

+15 U

+15

0 60

-45dB+15dB

8k100

U

-15U+15

-15 +15

U

+15 U

+15

U

+15 U

+15

0 60

-45dB+15dB

8k100

U

-15U+15

-15 +15

U

+15 U

+15

U

+15 U

+15

0 60

-45dB+15dB

8k100

U

-15U+15

-15 +15

U

+15

U

+15

U

+15

U

+15

U

+15

U

+15

0 60

-45dB+15dB

8k100

U

-15U+15

-15 +15

U

+15 U

+15

U

+15 U

+15

0 60

-45dB+15dB

8k100

U

-15U+15

-15 +15

U

+15

U

+15

U

+15

U

+15

U

+15

U

+15

0 60

-45dB+15dB

8k100

U

-15U+15

-15 +15

U

+15 U

+15

U

+15 U

+15

0 60

-45dB+15dB

8k100

U

-15U+15

-15 +15

U

+15

U

+15

U

+15

U

+15

U

+15

U

+15

0 60

-45dB+15dB

8k100

U

-15U+15

-15 +15

U

+15

U

+15

U

+15

U

+15

U

+15

U

+15

0 60

-45dB+15dB

8k100

U

-15U+15

-15 +15

U

+15

U

+15

U

+15

U

+15

U

+15

U

+15

0 60

-45dB+15dB

8k100

U

-15U+15

-15 +15

U

+15

U

+15

U

+15

U

+15

U

+15

U

+15

0 60

-45dB+15dB

8k100

U

-15U+15

-15 +15

U

+15 U

+15

U

+15 U

+15

0 60

-45dB+15dB

8k100

U

-15U+15

-15 +15

U

+15

U

+15

U

+15

U

+15

U

+15

U

+15

U

+15 U

+15

U

+15 U

+15

0 60

-45dB+15dB

8k100

U

-15U+15

-15 +15

U

+15 U

+15

U

+15 U

+15

0 60

-45dB+15dB

8k100

U

-15U+15

-15 +15

U

+15

U

+15

U

+15

U

+15

U

+15

U

+15

0 60

-45dB+15dB

8k100

U

-15U+15

-15 +15

U

8k100

U

-15U+15

-15 +15

U

-15 +15

U

-15 +15

U

-15 +15U-15 +15

U

-15 +15U-15 +15

U

+15 U

+15

U

+15 U

+15

0 60

-45dB+15dB

U

+15

U

+15

U

+15

U

+15

U

+15

U

+15

U

30

20

10

40 50

5

U

60

10

30

20

10

40 50

5

U

60

10

30

20

10

40 50

5

U

60

10

30

20

10

40 50

5

U

60

10

30

20

10

40 50

5

U

60

10

SIG

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SIG

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SIG

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SIG

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SIG

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SIG

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SIG

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

U

+15 U

+15

U

+15 U

+15

0 60

-45dB+15dB

8k100

U

-15U+15

-15 +15

U

2404

USB

L

R

TAPE

OUTIN

MONO

MAIN OUT

INSERT LINE

RIGHT

MAIN OUT

INSERT LINE

LEFT

MAIN OUT

INSERT LINE

TALKBACK

MIC

POWER

ON

PHANTOM

ON

2 1 2 16 5 4

2 16 5 4

AUX INSERTS

AUX SENDS

L

R

STEREO RETURNS

3

INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT

LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE INLINE IN

20 19 18 17 16 15 14 13 12 11 9 8 7 6 5 4 3 2 110

MIC 20 MIC 19 MIC 18 MIC 17 MIC 16 MIC 15 MIC 14 MIC 13 MIC 12 MIC 11 MIC 10 MIC 9 MIC 8 MIC 7 MIC 6 MIC 5 MIC 4 MIC 3 MIC 2 MIC 1

3 2 14

GROUP OUTS

GROUP INSERTS

3 2 14

MONITOR

PHONES

MONITOR

L

R

L

R

23/24 21/22

WARNING:

AVIS: RISQUE DE CHOC ELECTRIQUE — NE PAS OUVRIR

LEVEL

OUTPUT

+6

WEIGHT

31.0 lb

14.1 kg

19.1 in / 486 mm 6.0 in / 153 mm

1.8 in / 46.3 mm

29.4 in / 748 mm

6.0 in / 153 mm

INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT

MIC 20

TALKBACK

MIC

RIGHT

MIC 19

LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE IN LINE INLINE IN

MIC 18 MIC 17 MIC 16 MIC 15 MIC 14 MIC 13 MIC 12 MIC 11 MIC 10 MIC 9 MIC 8 MIC 7 MIC 6 MIC 5 MIC 4 MIC 3 MIC 2 MIC 1

MAIN OUT

INSERT LINE

LEFT

MAIN OUT

INSERT LINE

MONO

MAIN OUT

INSERT LINE

LEVEL

OUTPUT

L

USB

R

+6

20 19 18 17 16 15 14 13 12 11 9 8 7 6 5 4 3 2 110

TAPE

OUTIN

3204

3 2 1 2 16 5 4

3 2 16 5 4

3 2 14

MONITOR

PHONES

MONITOR

3 2 1

L

R

4

L

R

L

R

31/32 29/30

STEREO RETURNS

INSERT

MIC 21

LINE IN

21

INSERT

MIC 22

LINE IN

22

INSERT

MIC 23

LINE IN

23

INSERT

MIC 24

LINE IN

24

INSERT

MIC 25

LINE IN

25

INSERT

MIC 26

LINE IN

26

INSERT

MIC 27

LINE IN

27

INSERT

MIC 28

LINE IN

28

POWER

ON

100-240VAC 50/60Hz 100W

PHANTOM

ON

GROUP OUTS

GROUP INSERTS

AUX INSERTS

AUX SENDS

AVIS: RISQUE DE CHOC ELECTRIQUE — NE PAS OUVRIR

50%

25% 75%

0% 100%

SUCK

INT FX AUX 5/6

PRE

AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

SOLO

3-4

1-2

L/R

0 60

-45dB+15dB

HI 12k

LOW 80Hz

MID

LOW CUT 100 Hz

18dB/OCT

8k100

U

-15U+15

-15 +15

U

EQ

GAIN

PAN

RL

OL

SIG

U

M

UT

E

1

30

20

10

40 50

5

U

60

10

1

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

INT FX AUX 5/6

PRE

AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

0 60

-45dB+15dB

HI 12k

LOW 80Hz

MID

LOW CUT 100 Hz 18dB/OCT

8k100

U

-15U+15

-15 +15

U

EQ

GAIN

PAN

RL

U

M

UT

E

2

INT FX

AUX 5/6

PRE

AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

0 60

-45dB+15dB

HI 12k

LOW 80Hz

MID

LOW CUT

100 Hz

18dB/OCT

8k100

U

-15U+15

-15 +15

U

EQ

GAIN

PAN

RL

U

M

UT

E

3

INT FX AUX 5/6

PRE

AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

0 60

-45dB+15dB

HI 12k

LOW 80Hz

MID

LOW CUT

100 Hz

18dB/OCT

8k100

U

-15U+15

-15 +15

U

EQ

GAIN

PAN

RL

U

M

UT

E

4

INT FX

AUX 5/6

PRE

AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

0 60

-45dB+15dB

HI 12k

LOW 80Hz

MID

LOW CUT

100 Hz

18dB/OCT

8k100

U

-15U+15

-15 +15

U

EQ

GAIN

PAN

RL

U

M

UT

E

5

INT FX AUX 5/6

PRE

AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

0 60

-45dB+15dB

HI 12k

LOW 80Hz

MID

LOW CUT 100 Hz

18dB/OCT

8k100

U

-15U+15

-15 +15

U

EQ

GAIN

PAN

RL

U

M

UT

E

6

INT FX AUX 5/6

PRE

AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

0 60

-45dB+15dB

HI

12k

LOW 80Hz

MID

LOW CUT

100 Hz

18dB/OCT

8k100

U

-15U+15

-15 +15

U

EQ

GAIN

PAN

RL

U

M

UT

E

7

INT FX

AUX 5/6

PRE

AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

0 60

-45dB+15dB

HI

12k

LOW 80Hz

MID

LOW CUT

100 Hz

18dB/OCT

8k100

U

-15U+15

-15 +15

U

EQ

GAIN

PAN

RL

U

M

UT

E

8

INT FX AUX 5/6

PRE

AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

0 60

-45dB+15dB

HI 12k

LOW 80Hz

MID

LOW CUT

100 Hz

18dB/OCT

8k100

U

-15U+15

-15 +15

U

EQ

GAIN

PAN

RL

U

M

UT

E

9

INT FX AUX 5/6

PRE

AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

0 60

-45dB+15dB

HI 12k

LOW 80Hz

MID

LOW CUT 100 Hz

18dB/OCT

8k100

U

-15U+15

-15 +15

U

EQ

GAIN

PAN

RL

U

M

UT

E

10

INT FX AUX 5/6

PRE

AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

0 60

-45dB+15dB

HI 12k

LOW 80Hz

MID

LOW CUT

100 Hz

18dB/OCT

8k100

U

-15U+15

-15 +15

U

EQ

GAIN

PAN

RL

U

M

UT

E

11

INT FX AUX 5/6

PRE

AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

0 60

-45dB+15dB

HI 12k

LOW 80Hz

MID

LOW CUT 100 Hz

18dB/OCT

8k100

U

-15U+15

-15 +15

U

EQ

GAIN

PAN

RL

U

M

UT

E

12

INT FX

AUX 5/6

PRE

AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

0 60

-45dB+15dB

HI

12k

LOW 80Hz

MID

LOW CUT

100 Hz

18dB/OCT

8k100

U

-15U+15

-15 +15

U

EQ

GAIN

PAN

RL

U

M

UT

E

13

INT FX

AUX 5/6

PRE

AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

0 60

-45dB+15dB

HI 12k

LOW 80Hz

MID

LOW CUT 100 Hz

18dB/OCT

8k100

U

-15U+15

-15 +15

U

EQ

GAIN

PAN

RL

U

M

UT

E

14

INT FX AUX 5/6

PRE

AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

0 60

-45dB+15dB

HI 12k

LOW 80Hz

MID

LOW CUT 100 Hz

18dB/OCT

8k100

U

-15U+15

-15 +15

U

EQ

GAIN

PAN

RL

U

RL

M

UT

E

15

INT FX

AUX 5/6

PRE

AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

0 60

-45dB+15dB

HI 12k

LOW 80Hz

MID

LOW CUT

100 Hz

18dB/OCT

8k100

U

-15U+15

-15 +15

U

EQ

GAIN

PAN

RL

U

M

UT

E

16

10 11 12 13 14 15 16

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

SIG

OFF MAX OFF MAX OFF MAX OFF MAX

COMP COMP COMP COMP

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

INT FX

AUX 5/6

PRE

AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

0 60

-45dB+15dB

HI

12k

LOW 80Hz

MID

LOW CUT

100 Hz

18dB/OCT

8k100

U

-15U+15

-15 +15

U

EQ

GAIN

U

INT FX

AUX 5/6

PRE

AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

0 60

-45dB+15dB

HI

12k

LOW 80Hz

MID

LOW CUT

100 Hz

18dB/OCT

8k100

U

-15U+15

-15 +15

U

EQ

GAIN

U

INT FX AUX 5/6

PRE

AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

0 60

-45dB+15dB

HI

12k

LOW 80Hz

MID

LOW CUT 100 Hz 18dB/OCT

8k100

U

-15U+15

-15 +15

U

HI

12k

LOW 80Hz

MID

8k100

U

-15U+15

-15 +15

U

EQ

GAIN

U

INT FX AUX 5/6

PRE

AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

0 60

-45dB+15dB

LOW CUT 100 Hz 18dB/OCT

EQ

GAIN

U

20

PAN

RL

M

UT

E

17

PAN

RL

M

UT

E

18

PAN

RL

M

UT

E

19

BAL

RL

M

UT

E

20

17 18 19

INT FX

AUX 5/6

PRE

AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

0 60

-45dB+15dB

HI 12k

LOW 80Hz

MID

LOW CUT

100 Hz

18dB/OCT

8k100

U

-15U+15

-15 +15

U

EQ

GAIN

PAN

RL

U

M

UT

E

21

INT FX AUX 5/6

PRE

AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

0 60

-45dB+15dB

HI 12k

LOW 80Hz

MID

LOW CUT 100 Hz

18dB/OCT

8k100

U

-15U+15

-15 +15

U

EQ

GAIN

PAN

RL

U

M

UT

E

22

INT FX AUX 5/6

PRE

AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

0 60

-45dB+15dB

HI 12k

LOW 80Hz

MID

LOW CUT 100 Hz

18dB/OCT

8k100

U

-15U+15

-15 +15

U

EQ

GAIN

PAN

RL

U

M

UT

E

23

INT FX

AUX 5/6

PRE

AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

0 60

-45dB+15dB

HI 12k

LOW 80Hz

MID

LOW CUT

100 Hz

18dB/OCT

8k100

U

-15U+15

-15 +15

U

EQ

GAIN

PAN

RL

U

M

UT

E

24

INT FX AUX 5/6

PRE

AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

0 60

-45dB+15dB

HI

12k

LOW 80Hz

MID

LOW CUT 100 Hz

18dB/OCT

8k100

U

-15U+15

-15 +15

U

EQ

GAIN

U

INT FX

AUX 5/6

PRE

AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

0 60

-45dB+15dB

HI 12k

LOW 80Hz

MID

LOW CUT

100 Hz

18dB/OCT

8k100

U

-15U+15

-15 +15

U

EQ

GAIN

U

INT FX

AUX 5/6

PRE

AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

0 60

-45dB+15dB

HI

12k

LOW 80Hz

MID

LOW CUT

100 Hz

18dB/OCT

8k100

U

-15U+15

-15 +15

U

HI

12k

LOW 80Hz

MID

8k100

U

-15U+15

-15 +15

U

EQ

GAIN

U

INT FX AUX 5/6

PRE

AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

0 60

-45dB+15dB

LOW CUT

100 Hz

18dB/OCT

EQ

GAIN

U

28

PAN

RL

M

UT

E

25

PAN

RL

M

UT

E

26

PAN

RL

M

UT

E

27

PAN

RL

M

UT

E

28

21 22 23 24 25 26 27

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

U

+15

1

3

1

4

5

6

2

1

2

3

4

2

SOLO MODE

MAIN

PUSH

TO TALK

MAX

3204

U

+20-20U+20-20

SIG

INT FX

AUX 5/6

PRE

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

FX 1

TALKBACKGROUPS

MAIN

RIGHT

AUX 1-4

SOLO

STEREO

LEFT

RIGHT

SOLO

LEFT

USB

STEREO RETURNSAUX MASTERS

U

+15U+15

U

+15U+15U+15

U

+15U+15U+15

U

+15U+15U+15

U

+15U+15U+15

U

+15

U

TO MAIN

FX 2

OFF MAX

COMP

OFF MAX

COMP

RIGHT

SOLO

STEREO

LEFT

RIGHT

SOLO

LEFT

OFF MAX

COMP

OFF MAX

COMP

AUX

MAIN MIX

CH 1-2 CH 3-4

0 dB=0 dBu

RUDE SOLO

2-TRACK RETURN USB OUT

LEFTRIGHT

1 2 3 4

MAIN MIX

LEVEL

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

30

20

10

40 50

5

U

60

10

HI 12k

LOW 80Hz

U

-15 +15

U

HI 12k

LOW 80Hz

U

-15 +15

LOW MID

400Hz

U

-15 +15U-15 +15

HI MID

2.5k

LOW MID 400Hz

HI

MID

2.5k

U

-15 +15U-15 +15

U

GAIN GAIN

INT FX

AUX 5/6

PRE

AUX AUX

1

U

+15

2

U

+15

3

U

+15

4

U

+15

5

U

+15

6

U

+15

EQ EQ

U

29/30 31/32

BAL

RL

M

UT

E

29/30

BAL

RL

M

UT

E

31/32

30

20

10

40 50

5

U

60

10

30

20

10

40 50

5

U

60

10

30

20

10

40 50

5

U

60

10

30

20

10

40 50

5

U

60

10

30

20

10

40 50

5

U

60

10

FREQ

TO AUX 1

TO AUX 2

U

+20

U

MAX

U

MAX

U

MAX

SOLO

PHONES

MONITOR

TO AUX 1

TO AUX 2

SEND MASTERSEND MASTER

U

MAX

TO MAIN

U

MAX

TO MAIN

FX

2FX1

MAX

U

MAX

U

MAX

U

MAX

U

MAX

U

MAX

U

WEIGHT

39.0 lb

17.7 kg

19.1 in / 486 mm 6.0 in / 153 mm

1.8 in / 46.3 mm

38.0 in / 964 mm

6.0 in / 153 mm

Owner's Manual 33

Block Diagram

L

R

PFL Solo

M ain

PFL solo

AFL solo L

Monitor

Level

Insert

Level

Pan

L

R

Sub 1 Out

(Sub 2-4 identical)

Phones

Monitor Out

L

R

Lsum

R sum

Sub 1 sum

1

2

Sub

Aux 1 (pre)Aux 1

Assign

Talkback

Assign

Hudson River

Central Park

3-Band EQ

w/ Swept Mid

Aux 2

Aux 2 (pre)

FX 1

FX 2

FX1

FX 2

3

4

Internal FX 1

(Internal FX 2 identical except

returns to second stereo

channel)

Sub 1 level

Sub Assign To

Main Mix

L

R

Stereo

Return 1 & 2

L

R

Main

1

2

Sub

3

4

L/R

1/2

3/4

L Insert

R Insert

To Main Mix

Mute

Talkback

Level

Main Out

48V

Mono Channels

1-16 (2404)

1-24 (3204)

Mic

+

-

Mic: 0 ~ + 60dB

Line: -15 ~ +45dB

Stereo Channels

21/22 & 23/24 (2404)

29/30 & 31/32 (3204)

4-Band EQ

Level

Pan

Assign

L/R

1/2

3/4

Mute

Aux 5

PFL Solo

RUDE

SOLO

LED

Meter

Select

To Aux 1

Solo

LO MID

80 100~8K

12K

HI

Line

Gain

Aux 1 Level

Preset select

FX

Preset

Display

Global 48v

Switch/LED

To Aux 2

Aux 6

Aux 3

Aux 4

Aux 5

Aux 6

Aux 1

Aux 2

HPF In

bypass

Solo Logic

Solo

USBOut

FX 1 Bypass

Logic

In

FX 1

Out L

Out R

MID

Phantom Power

(To All Mics)

Phantom Power

R

L

R

Int FX 1 Out L

FX 1

Line

LO MIDMID

80 4002.5K

12K

HI

LO MIDMID

80 4002.5K

12K

HI

Int FX 1 Out R

(FX2 on 2

nd

st ch.)

Tap

Solo

USB

In

FX Mu te

Active

L

R

Tape Out

Tape Input

L

R

2 track Input

Level

Main

level

+

-

+

-

+-+

-

Aux 3 (pre/post)

Aux 4 (pre/post)

Aux 1

Aux 2

post

pre

Aux 3

Aux 4

To Aux 3

To Aux 4

L-R

Aux1-4

Aux 3

Aux 4

USB

Tape

Solo

Phones

Level

Solo

Level

AFL solo R

AFL solo L AFL solo R

Solo (2&4)

Solo (1&3)

Solo

AFL Solo

Insert

Aux1

Aux2

Main

Mono Out

Mono level

-20dB pad

-20 Sig (flicker)

solo (on)

OL (flicker)

mute (on)

-20 Sig (flicker)

solo (on)

OL (flicker)

mute (on)

FX 1 master level

HPF

100Hz

Mono Channels

17-20(2404)

25-28(3204)

Mic

+

-

Mic: 0 ~ + 60dB

Line: -15 ~ +45dB

Line

Gain

HPF In

bypass

Phantom Power

HPF

100Hz

Comp

L

R

AFL

PFL

Solo mode

Mono Insert

Aux 1 sum

Aux 5

Aux 6

Aux 5 (post)

Aux 6 (post)

to USB 1-2

FX1

FX2

FX1

USB

(Second stereo

channel only)

Aux 1 Out

(Aux 2-6 identical)

Sig/OL

L

R

(To first stereo channel)

post

pre

Gain

-20 ~ +20dB

Sub 1

Sub 4

Sub 3

Aux 6

to USB 3-4

Aux 5

Sub 2

Mono

Aux 5-6

Sub 3-4

Main L-R

Sub 1-2

34 VLZ3 4•Bus

Track Sheet - Mono Channels

GAIN

X

GAIN

X

GAIN

X

GAIN GAIN GAIN GAIN GAIN GAIN

X X X X X X

GAIN GAIN GAIN GAIN GAIN GAIN

GAIN

X

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

PAD

-20dB

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

PAD

-20dB

LOW CUT

100 Hz

18dB/OCT

M

UT

E

X

M

UT

E

X

M

UT

E

X

M

UT

E

X

M

UT

E

X

M

UT

E

X

M

UT

E

X

M

UT

E

X

M

UT

E

X

M

UT

E

XX

M

UT

E

X

M

UT

E

XX

EQ

PAN

EQ

PAN

EQ

PAN

EQ

PAN

EQ

PAN

EQ

PAN

EQ

PAN

EQ

PAN

EQ

PAN

EQ EQ EQ EQ EQ EQ

PAN PAN PAN PAN BAL BAL

EQ

PAN

INT FX

AUX 5/6

PRE

HI

12k

LOW 80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW 80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW 80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW 80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW 80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW 80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW 80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW 80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW

80Hz

MID

FREQ

INT FX

AUX 5/6

PRE

HI

12k

LOW 80Hz

MID

INT FX

AUX 5/6

PRE

INT FX

AUX 5/6

PRE

HI

12k

LOW 80Hz

MID

FREQ

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

OFF MAX OFF MAX OFF MAX OFF MAX

COMP COMP COMP COMP

SIG

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40 50

5

U

60

10

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40 50

5

U

60

10

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15U+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15U+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15U+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15U+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15U+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15U+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15U+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15U+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15U+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15U+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15U+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

SIG

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40 50

5

U

60

10

SIG

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40 50

5

U

60

10

dB

30

20

10

OO

40 50

5

U

60

10

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15U+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

Owner's Manual 35

Track Sheet - Comp & Stereo Channels and Master Section

GAIN GAIN GAIN GAIN GAIN GAIN

XX XX/XX XX/XXXX XX XX

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

LOW CUT

100 Hz

18dB/OCT

XX04

M

UT

E

XX

M

UT

E

XX

M

UT

E

XX

M

UT

E

XX/XX

M

UT

E

XX/XX

M

UT

E

XX

EQ EQ EQ EQ EQ EQ

PAN PAN PAN PAN BAL BAL

INT FX

AUX 5/6

PRE

SOLO

LEFT

TAP

DELAY

INT FX

MUTE

INT FX

AUX 5/6

PRE

HI

12k

LOW 80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW

80Hz

MID

INT FX

AUX 5/6

PRE

HI

12k

LOW 80Hz

MID

HI

12k

LOW

80Hz

MID

HI

12k

LOW

80Hz

HI

12k

LOW 80Hz

LOW

MID

400Hz

HI

MID

2.5k

LOW

MID

400Hz

HI

MID

2.5k

INT FX

AUX 5/6

PRE

INT FX

AUX 5/6

PRE

FREQ

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

1

2

3

4

PRE

5

6

FX1

FX2

PUSH

TO TALK

TALKBACKGROUPS

MAIN

RIGHT

AUX 1-4

STEREO

RIGHT

SOLO

LEFT

TO AUX 1

TO AUX 2

SOLO

PHONES

MONITOR

TAP

DELAY

INT FX MUTE

TO AUX 1

TO AUX 2

RIGHT

SOLO

STEREO

LEFT

RIGHT

SOLO

LEFT

SEND MASTERSEND MASTER

TO MAINTO MAIN

FX

2

FX

1

1 2 3 4

MAIN MIX

SOLO

1

SOLO

1

2

3

4

2

SOLO

SOLO MODE

MAIN

FX 1

USB

STEREO RETURNSAUX MASTERS

SOLO

+15

OO

+15

OO

+15

OO

SOLO

U

MAX

OO

U

MAX

OO

U

MAX

OO

FX 2

U

MAX

OO

U

MAX

OO

SIG/OLSIG/OL

AUX

MAIN

MIX

0 dB=0 dBu

RUDE SOLO

20

10

7

4

2

0

2

4

7

10

20

30

LEFT RIGHT

SOLO

MAX

OO

U

MAX

OO

U

MAX

OO

U

MAX

OO

U

MAX

OO

U

MAX

OO

U

+20

OO

TO MAIN

PFL AFL

GRP 1-2

CH 1-2 CH 3- 4

AUX 5-6

PWR

48V

TAPE

USB

2-TRACK RETURN USB OUT

GRP 3-4

MAIN L/R

LEVEL

SET

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U U

MAX

OO

OFF MAX

COMP

OFF MAX

COMP

OFF MAX

COMP

OFF MAX

COMP

LEVEL

U

+15

OO

3

1

5

6

2

U

+15

OO

U

+15

OO

+15

OO

U

+15

OO

U

4

U

+20-20

U

+20-20

12V

0.5A

50%

25% 75%

0% 100%

SUCK

OFF MAX OFF MAX OFF MAX OFF MAX

COMP COMP COMP COMP

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15U+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15U+15

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

2k

0 60

-45dB+15dB

U

800

200

8k100

U

-15U+15

-15 +15

U

2k

800

200

8k100

U

-15U+15

-15 +15

U

-15 +15

U

-15 +15

U

-15 +15

U

-15 +15

U

-15 +15

U

-15 +15

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

0 60

-45dB+15dB

U

M

I

C

G

A

I

N

-

1

0

d

B

V

M

I

C

G

A

I

N

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

+15

OO

U

dB

30

20

10

OO

40 50

5

U

60

10

dB

30

20

10

OO

40 50

5

U

60

10

dB

30

20

10

OO

40 50

5

U

60

10

dB

30

20

10

OO

40 50

5

U

60

10

dB

30

20

10

OO

40 50

5

U

60

10

SIG

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40 50

5

U

60

10

SIG

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40 50

5

U

60

10

SIG

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40 50

5

U

60

10

SIG

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40 50

5

U

60

10

SIG

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40 50

5

U

60

10

SIG

SOLO

3-4

1-2

L/R

OL

dB

30

20

10

OO

40 50

5

U

60

10

36 VLZ3 4•Bus

Appendix D: USB and you... sb

The built-in USB interface allows for some powerful and ﬂexible routing. It is a 4x2 interface allowing you to record up to four streams from the mixer, or to input stereo playback from a computer and route it to nearly any output or pair of outputs on the mixer. To use this feature with a PC, ﬁrst download the PC ASIO driver from www.mackie.com. If connecting to a Mac, the mixer will show up as a 4x2 device with no driver required.

The USB routing capabilities are as follows:

USB input TO the mixer - playback:

(1) Stereo channel 23/24 (on the 2404-VLZ3) and 31/32 (on the 3204-VLZ3) features a USB button, so one may route computer output (such as iTunes last stereo channel of the board. This stereo signal may then be EQ'd, sent to auxiliaries (i.e. to feed monitors, headphones or effects) and is routable to mains and/or subgroups via the fader routing features that are available on all other channels. In short, this signal may be sent to nearly any desired output or pair of outputs. Additionally, the gain knob at the top of this channel strip adjusts the USB input level to the mixer to achieve an optimal signal level.

(2) The 2-Track Return section features a "ﬂip" switch, so a "Tape" source (connected via RCA cables, such as an iPod (playing Windows Media Player be routed to the main bus. This section also features a solo button and input level adjustment for fading house music up and down between bands, at a house of worship, or any other event where this may be necessary.

®

) or the USB signal from a computer

®

ﬁles, for example) may

®

) down the

USB output FROM the mixer - recording, etc:

(1) A variety of different signals may be recorded via the USB output section, depending on the setup. In the 'USB OUT' section, the switch on the left [51] will select either Groups 1-2 or the main mix to feed USB output channels 1-2. The second switch (to the right) will select either Groups 3-4 or Aux 5-6 to feed USB output channels 3-4.

For example, with both USB ouput switches in the default position (up), true 4-track recording may be accomplished via routing to subgroups 1-4. The USB tap points for the subgroups are pre-fader (also pre-insert) and post-compressor. The signals will show up on the DAW dependent upon how they are panned on the channels.

In other words, if subgroups 1 and 2 are used to submix drums and those drums have a stereo image (e.g. overheads and toms pan according to desire), this stereo image is retained in the DAW inputs (assuming subgroup 1 is set to "L" and subgroup 2 is set to "R"). Any adjustments made to the subgroup drum levels during the show only pertain to the live show itself; recording levels are not adjusted in the DAW unless they are adjusted on the channels. However, compression settings made on the mixer will apply to the recording.

Likewise, it is possible to record the main mix to take home a copy of the live show. These levels are also pre-main fader. Therefore, levels may be mixed up or down in the DAW later depending on the needs of the recording versus the live show. The end result is that fade-ins and/or fade-outs made during the show do not affect recorded levels.

And ﬁnally, it is possible to route the aux 5-6 (again, pre-fader) mixer signals into a DAW or plug-in host. From there, re-route the output of the DAW (or plug-in host) back into the mixer. Voilà...a powerful outboard

effectsunit!

Success here is partially dependent upon the computer's speed. It needs to be fast enough

to run at low buffer sizes so that there is no noticeable latency between the input signal and, say, the reverb return. This kind of ﬂexible routing allows for a variety of choices: running aux 5-6 as effects sends to outboard gear, internal effects sends (native to the board), DAW plug-ins (via USB) or as monitor mix

feeds...atrulypowerfulfeature!Besuretoreviewthe

software requirements on www.mackie.com to conﬁrm that the latest device drivers are currently in use.

Owner's Manual 37

Appendix E: Table of Effects Presets

No. Title

01 Plate Reverb

02 Vocal Plate

03 Warm Room

04 Bright Room

05 Warm Lounge

06 Small Stage

07 Warm Theater

08 Bright Stage

09 Warm Hall

10 Concert Hall

11 Cathedral

12 Gated Reverb

13 Chorus

14 Chorus + Reverb

15 Doubler

16 Tape Slap

17

DLY 1 Bright (350ms)

18

DLY 1 Warm (300ms)

19

DLY 2 Bright (250ms)

20

DLY 2 Warm (200ms)

21

DLY 3 Bright (175ms)

22

DLY 3 Warm (150ms)

23 Chorus + DLY (300ms)

24 Reverb + DLY (200ms)

Description Example of its use

This preset emulates vintage mechanical reverberation that was generated with a metal plate. Its sound is characterized by lots of early reﬂections and no pre-delay.

This vintage plate emulation is warmer than your standard plate, with a long reverberant tail, lots of fast reﬂections and a very short pre-delay.

This preset is characterized by lots of fast early reﬂections with a short pre-delay to simulate the sound of a small, wood paneled room.

This room has a bright tone with lots of scattered reﬂections to simulate harder, more reﬂective surfaces.

This preset features a medium sized room sound, with just enough enhancement of the lower mids to produce a warm tone.

This preset simulates the sound of a small concert stage, with a medium reverb time and reverberant space.

This reverb has a warm bodied tone and medium long reverb time to simulate the live acoustics of a theater space.

This preset emulates the sound of a large performance stage, characterized by medium long reverb time and pre-delay, plus a touch of sizzle.

This reverb simulates the sound of a spacious, yet cozy, heavily draped and carpeted concert hall with an especially warm tone.

This hall reverb is characterized by its large, spacious sound, long pre-delay, and vibrant tone.

This reverb emulates the extremely long tails, dense diffusion and long pre-delays and reﬂections that would be found in a very large, stone walled house of worship.

This preset incorporates an age-old trick whereby an extremely dense reverb is processed through a fast gate for an interesting, albeit artiﬁcial, sound.

This preset provides a soft, ethereal sweeping effect that is useful for thickening and for making a particular sound pop out of the mix.

This preset perfectly combines the chorus effect above with a large, roomy reverb.

This effect simulates the sound of a vocal or instrument being recorded twice (double tracked) on a multi-track recorder.

This effect provides a single, relatively rapid delay of the original signal, with the added warmth that vintage tapebased echo units provided.

These 6 delay presets provide one (delay 1), three (delay

2), or six (delay 3) repeats of the original signal. The default delay time for each preset is shown in mS - the smaller the time, the faster the delay. Delay times can easily be customized to suit the moment by tapping the knob [63] more than once.

This effect combines the thickening effect of the chorus with the echoes of the 3-repeat delay effect. Delay times can easily be customized to suit the moment by using the Tap feature.

This effect combines the Warm Theater reverb effect with the echoes of the 3-repeat delay effect. Delay times can easily be customized to suit the moment by using the Tap feature.

Perfect for thickening percussive instruments, such as a snare drum, or tight vocal arrangements.

Particularly suited for vocal signals, but can also be used for extra-thick drum tracks.

Useful for adding a tight and controlled ambient effect to vocals and acoustic instruments.

Useful on vocals that require a brighter reverb to cut through the mix, or for giving acoustic instruments a livelier vibe.

Useful for vocals on songs that require a larger, more “wet” sound, or for giving dimension to bright horns without adding harshness.

Useful for vocals or guitars in fast paced, highenergy songs that call for a “live” sounding reverberation.

Perfect for vocals, drums, acoustic and electric guitars, keyboards, and more.

Great for adding life and dimension to drums and other acoustic instruments, and for that big live vocal sound.

Perfect for adding natural concert hall ambience to close-mic’ed orchestral instruments.

Adds life to acoustic instruments and vocals from solos to full-on symphonies and choirs.

Gives amazing depth to choirs, wind instruments, organs, and soft acoustic guitars.

Most often used to fatten snare drums and toms without clutter.

Perfect for enhancement of electric and acoustic guitar and bass, or to add a dramatic effect to vocals, particularly group harmonies and choirs.

This lets you both thicken your sound with the chorus effect while adding warmth and spaciousness thanks to the smooth reverb.

Provides a vibe that is similar to chorus without the subtle swirl.

Often used on vocals for a 1950’s era feel, or on guitars for a surf-type tone. Often used by people whose favorite number is 16.

These work best with full, up-beat music like rock where the delay needs to cut through the mix. Warm delays get progressively softer and warmer in tone with each repetition and work great with slow, mellow music. Bright delays have repeats that are consistent in tone with the original sound.

Useful on a clean electric guitar that needs a mildly swirling, ethereal tone.

Perfect for thickening vocals while adding dimensions, it can also be used as a spacey effect on electric guitars.

For presets 17 to 24, the delay can be entered by tapping the preset selector knobs [65] more than once.

VLZ3 4•Bus Limited Warranty

Please keep your sales receipt in a safe place.

This Limited Product Warranty (“Product Warranty”) is provided by LOUD Technologies Inc. (“LOUD”) and is applicable to products purchased in the United States or Canada through a LOUD-authorized reseller or dealer. The Product Warranty will not extend to anyone other than the original purchaser of the product (hereinafter, “Customer,” “you” or “your”).

For products purchased outside the U.S. or Canada, please visit www.mackie.com/warranty to ﬁnd contact information for your local distributor, and information on any warranty coverage provided by the distributor in your local market.

LOUD warrants to Customer that the product will be free from defects in materials and workmanship under normal use during the Warranty Period. If the product fails to conform to the warranty then LOUD or its authorized service representative will at its option, either repair or replace any such nonconforming product, provided that Customer gives notice of the noncompliance within the Warranty Period to the Company at: www.mackie.com/support or by calling LOUD technical support at 1.800.898.3211 (toll-free in the U.S. and Canada) during normal business hours Paciﬁc Time, excluding weekends or LOUD holidays. Please retain the original dated sales receipt as evidence of the date of purchase. You will need it to obtain any warranty service.

For full terms and conditions, as well as the speciﬁc duration of the Warranty for this product, please visit www.mackie.com/warranty.

The Product Warranty, together with your invoice or receipt, and the terms and conditions located at www.mackie.com/warranty constitutes the entire agreement, and supersedes any and all prior agreements between LOUD and Customer related to the subject matter hereof. No amendment, modiﬁcation or waiver of any of the provisions of this Product Warranty will be valid unless set forth in a written instrument signed by the party to be bound thereby.

Need help with your new mixer?

• Visit www.mackie.com and click Support to nd: FAQs, manuals, addendums, and other useful information.

• Email us at: techmail@mackie.com.

• Telephone 1-800-898-3211 to speak with one of our splendid technical support chaps (Monday through Friday, normal business hours, PST).

38 VLZ3 4•Bus

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Mackie VLZ3 4BUS User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual