Nilfisk AMX-140FX, AMX-140 User Manual

User's Manual

AMX-140FX/
AMX-140

14-CHANNEL MIXING CONSOLE/

with DIGITAL EFFECTS

R

LTO

www.altoproaudio.com

Version 1.0 December 2003

English

SAFETY RELATED SYMBOLS

CAUTION

RISK OFELECTRIC SHOCK

DO NOTOPEN

This symbol, wherever used, alerts you to the pre­sence of un-insulated and dangerous voltages with­in the product enclosure. These are voltages that
may be sufficient to constitute the risk of electric
shock or death.

This symbol, wherever used, alerts you to impo­rtant operating and maintenance instructions.
Please read.

Protective Ground Terminal

AC mains (Alternating Current)

Hazardous Live Terminal

ON: Denotes the product is turned on.

OFF: Denotes the product is turned off.

WARNING

Describes precautions that should be observed to
prevent the possibility of death or injury to the user.

the recommended fuse type as indicated in this
manual. Do not short-circuit the fuse holder. Before
replacing the fuse, make sure that the product is
OFF and disconnected from the AC outlet.

Protective Ground

Before turning the product ON, make sure that it is
connected to Ground. This is to prevent the risk of
electric shock.

Never cut internal or external Ground wires. Likewise,
never remove Ground wiring from the Protective
Ground Terminal.

Operating Conditions

Always install in accordance with the manufacturer's
instructions.

To avoid the risk of electric shock and damage, do
not subject this product to any liquid/rain or moisture.
Do not use this product when in close proximity to
water.

Do not install this product near any direct heat source.

Do not block areas of ventilation. Failure to do so
could result in fire.

Keep product away from naked flames.

CAUTION

Describes precautions that should be observed to
prevent damage to the product.

WARNING

Power Supply

Ensure that the mains source voltage (AC outlet)
matches the voltage rating of the product. Failure
to do so could result in damage to the product and
possibly the user.

Unplug the product before electrical storms occur
and when unused for long periods of time to reduce
the risk of electric shock or fire.

External Connection

Always use proper ready-made insulated mains
cabling (power cord). Failure to do so could result
in shock/death or fire. If in doubt, seek advice from
a registered electrician.

Do Not Remove Any Covers

Within the product are areas where high voltages
may present. To reduce the risk of electric shock do
not remove any covers unless the AC mains power
cord is removed.

Covers should be removed by qualified service
personnel only.

No user serviceable parts inside.

Fuse

To prevent fire and damage to the product, use only

IMPORTANT SAFETY INSTRUCTIONS

Read these instructions

Follow all instructions

Keep these instructions. Do not discard.

Heed all warnings.

Only use attachments/accessories specified by the
manufacturer.

Power Cord and Plug

Do not tamper with the power cord or plug. These are
designed for your safety.

Do not remove Ground connections!

If the plug does not fit your AC outlet seek advice from
a qualified electrician.

Protect the power cord and plug from any physical
stress to avoid risk of electric shock.

Do not place heavy objects on the power cord. This
could cause electric shock or fire.

Cleaning

When required, either blow off dust from the product
or use a dry cloth.

Do not use any solvents such as Benzol or Alcohol.
For safety, keep product clean and free from dust.

Servicing

Refer all servicing to qualified service personnel only.

Do not perform any servicing other than those instruc­tions contained within the User's Manual.

1

PREFACE

Dear Customer:

Thank you for choosing the LTO AMX-140 14-Channel Mixing Console (AMX-140FX 14-Channel Mixing Console
with Digital Effects), which is the result of our LTO AUDIO TEAM's endeavours.

For the LTO AUDIO TEAM, music and audio are more than a profession, it is a passion and an obsession!

We have, in fact, been designing professional audio products for a number of years in cooperation with many of the
world's major brands.

The LTO line represents unparalleled analogue and digital products made by musicians, for musicians. With our
design centres in Italy, the Netherlands, and the United Kingdom we provide you with world-class designs, while our
software development teams continue to develop an impressive range of audio specific algorithms.

By purchasing our LTO products you become the most important member of our LTO AUDIO TEAM. We would
like to share with you our passion for what we design and invite you to make suggestions, which will aid us in develop­ing future products for you. We guarantee you our commitment for quality, continual research and development,
and of course the best prices.

The LTO AMX-140(FX) mixing console is equipped with 4 mono input channels (these are provided with ultra low noise
microphone pre-amplifiers and phantom power at +48 Volt), 4 stereo input channels, 4 stereo aux returns and 2 TK IN.
So, in total you have 14 input channels on your AMX-140(FX). It is specifically designed for professional application.
Seeing is believing, let's meet the LTO AMX-140(FX).

We would like to thank all the people who made the LTO AMX-140(FX) 14-Channel Mixing Console possible, esp­ecially to our designers and LTO staff. It is their passion for music and professional audio that has made it possible
for us to offer you, our most important team member, our continued support.

Thank you very much

LTO AUDIO TEAM

2

TABLE OF CONTENTS

1.INTRODUCTION...................................................................................................................................................4

2.FEATURES...........................................................................................................................................................5

3.READY TO START?...............................................................................................................................................6

4.CONTROL ELEMENTS.......................................................................................................................................7

4.1 MONO MIC/LINE Channels .........................................................................................................................9

4.2 INPUT LEVEL Setting ..................................................................................................................................9

4.3 MONO Channel INSERT ..............................................................................................................................9

4.4 LOW CUT Switch ........................................................................................................................................9

4.5 STEREO Inputs ..........................................................................................................................................10

4.6 3 BANDS EQUALIZER Controls ................................................................................................................10

4.7 AUX SENDS Controls ...............................................................................................................................10

4.8 PAN/BAL Control .......................................................................................................................................11

4.9 PEAK LED ..................................................................................................................................................11

4.10 LEVEL Control ...........................................................................................................................................11

4.11 MAIN MIX LEVEL Dial ...............................................................................................................................11

4.12 OUTPUT LEVEL LED Display ....................................................................................................................11

4.13 POWER LED .............................................................................................................................................11

4.14 PHANTOM LED .......................................................................................................................................11

4.15 TAPE Switches .........................................................................................................................................11

4.16 2TK IN Control ...........................................................................................................................................12

4.17 PHONES/CTRL ROOM Control ...............................................................................................................12

4.18 AUX RETURN Controls ............................................................................................................................12

4.19 AUX SENDS Connectors ........................................................................................................................12

4.20 STEREO AUX RETURNS Connectors .....................................................................................................12

4.21 PHONES ...................................................................................................................................................12

4.22 CTRL ROOM OUTPUT Connectors..........................................................................................................12

4.23 24 BIT DIGITAL EFFECTS (For AMX-140FX Model) ................................................................................13

4.24 2TK IN/OUT Connectors .............................................................................................................................13

4.25 MAIN MIX OUTPUT Connectors ...............................................................................................................14

4.26 REAR PANEL Description ........................................................................................................................14

5.INSTALLATION AND CONNECTION.....................................................................................................................15

6.FOR THE EXPERTS WHO WANT TO KNOW MORE..........................................................................................18

7.PRESET LIST.........................................................................................................................................................19

8.SYSTEM BLOCK DIAGRAMS.............................................................................................................................26

9.TECHNICAL SPECIFICATION..............................................................................................................................27

10.WARRANTY.........................................................................................................................................................29

3

1. INTRODUCTION

Thank you very much for expressing your confidence in products by purchasing ixing console.LTO LTO AMX-140(FX) m
The AMX-140(FX) is a professional compact mixer. You will get the smooth, accurate more natural and open sound from
this apparatus, and it is really ideal for small gigs, recording and fixed PA installations.

The AMX-140(FX) mixing console is packed with some key features that can not be found in other consoles of its size:
4

mono (these are provided with ultra low noise microphone pre-amplifiers and phantom power at +48 Volt) and 4

stereo input channels, and each of them is provided with a 3 bands graphic equalizer for HI, MID and LOW controls;

highly accurate 12-segment bar graph meters and 2-Track inputs assignable to main mix, control room / headphone
outputs etc.. Besides, the 24 bit effects processor with 256 effects (16 presets 16 variations) is equipped specifically
for AMX-140FX.

Your AMX-140(FX) is very easy to operate but we advise you to go through each section of this manual carefully.
In this way you will get the best out of your AMX-140(FX).

4

2. FEATURES

The AMX-140(FX) mixing console is designed for professional application. It will provide the following features:

The common features:

5 MIC input channels with gold plated XLRs and balanced LINE input

4 stereo input channels with balanced TRS jacks

Ultra-low noise discrete MIC pre-amps with +48V Phantom power

Extremely high headroom offering more dynamic range

Balanced inputs for highest signal integrity

Warm, natural 3-band EQ on each channel

Switch-able Low-cut filter on each mono channel

Peak LED on each channel

AUX send 1/2 per channel for external effects and monitoring

4 AUX returns for additional functionality

Control room and headphone outputs

2-Track inputs assignable to main mix, control room / headphone outputs

Highly accurate 12-segment bar graph meters

Inserts on MIC channels

Additionally, the AMX-140FX is also equipped with following features:

24 bit digital effects processor

256 effects (16 presets 16 variations)

Effect on/off by means of MUTE switch or a footswitch connected to the DFX FOOTSWITCH

5

3. READY TO START?

3.1 Please check the AC voltage available in your country before connecting your AMX-140(FX) to the AC socket.

3.2 Be sure that the main power switch is turned off before connecting the mixer to the AC socket. Also, you should
make sure that all Input and output controls are turned down. This will avoid damages to your speakers and avoid

excessive noise.

3.3 Before turning on the AMX-140(FX) you shall connect it to a power amplifier and turn-on the mixer BEFORE the power
amplifier. Once you have finished your working session you shall turn the mixer off AFTER the power amplifier.

3.4 Before disconnecting the AMX-140(FX) always turn-off the power switch.

3.5 Do not use solvents to clean your AMX-140(FX). A dry and clean cloth will be OK.

6

4. CONTROL ELEMENTS

AMX-140FX

MIC 1

J.T.

J.T.

12

3

BAL OR

BAL OR

UNBAL

UNBAL

LINE IN 1

INSERT INSERT INSERT

TRIM

+15dB -30dB LINE

+15dB -30dB LINE

0dB 44dB MIC

0dB 44dB MIC

LOW CUT

LOW CUT

18dB/Oct

18dB/Oct

MIC 2 MIC 3 MIC 4

J.T.

J.T.

12

3

LINE IN 2 LINE IN 3

TRIM

+15dB -30dB LINE

+15dB -30dB LINE

0dB 44dB MIC

0dB 44dB MIC

LOW CUT

75Hz

75Hz

LOW CUT

EQ

HI

12kHzHI12kHz

-15 +15

-12 +12

-15 +15

1

8

-+15

2

/
D
F
X

8

-+15

MID

MID

2.5kHz

2.5kHz

LOW

LOW

80Hz

80Hz

AUX

PRE

POST

POST

(PRE)

(PRE)

-15 +15

-12 +12

-15 +15

1

8

-+15

2

/
D
F
X

8

-+15

PAN

RIGHTLEFT

PEAK

8

-+15

LEVEL

1

RIGHTLEFT

8

-+15

LEVEL

2

2-TRACK IN/OUT

L

BAL OR

BAL OR

UNBAL

UNBAL

J.T.

J.T.

12

3

BAL OR

BAL OR

UNBAL

UNBAL

J.T.

J.T.

12

BAL OR

BAL OR

UNBAL

UNBAL

LINE IN 4

R

TAPE IN

TAPE OUT

LEFT RIGHT

3

LINE IN 5/6 LINE IN 7/8

J.T.

J.T.

INSERT

TRIM

+15dB -30dB LINE

+15dB -30dB LINE

0dB 44dB MIC

0dB 44dB MIC

LOW CUT

-15 +15

-12 +12

-15 +15

8

-+15

/

8

-+15

RIGHTLEFT

8

-+15

LEVEL

LOW CUT

18dB/Oct

18dB/Oct

EQ

12kHzHI12kHz

2.5kHz

2.5kHz

AUX

POST

POST

(PRE)

(PRE)

PAN

75Hz

75Hz

18dB/Oct

18dB/Oct

EQ

HI

12kHzHI12kHz

MID

MID

2.5kHz

2.5kHz

LOW

LOW

80Hz

80Hz

1

AUX

PRE

2

POST

POST

D
F

(PRE)

(PRE)

X

PAN

PEAK PEAK PEAK PEAK PEAK

3

TRIM

+15dB -30dB LINE

+15dB -30dB LINE

0dB 44dB MIC

0dB 44dB MIC

LOW CUT

75Hz

75Hz

LOW CUT

75Hz

75Hz

18dB/Oct

18dB/Oct

EQ

MID

MID

LOW

LOW

80Hz

80Hz

PRE

HI

-15 +15

-12 +12

-15 +15

1

-+15

2

/
D
F
X

-+15

HI

12kHzHI12kHz

MID

MID

2.5kHz

2.5kHz

LOW

LOW

80Hz

80Hz

AUX

PRE

8

POST

POST

(PRE)

(PRE)

8

PAN

RIGHTLEFT

8

-+15

LEVEL

4 5/6 7/8

3

MIC (MONO)

TRIM

0dB 44dB MIC

-15 +15

-12 +12

-15 +15

1

8

-+15

2

/
D
F
X

8

-+15

RIGHTLEFT

8

-+15

LEVEL

12

2.5kHz

2.5kHz

AUX

BAL

EQ

HI

12kHzHI12kHz

MID

MID

LOW

LOW

80Hz

80Hz

PRE

POST

POST

(PRE)

(PRE)

LEFT(MONO)LEFT(MONO)

RIGHT

-15 +15

-12 +12

-15 +15

1

8

-+15

2

/
D
F
X

8

-+15

RIGHTLEFT

8

-+15

LEVEL

AUX

BAL

MAIN MIX OUTPUT

(BAL/UNBAL)

LEFT (MONO)

RIGHT

EQ

HI

12kHzHI12kHz

MID

MID

2.5kl

2.5kl

LOW

LOW

80Hz

80Hz

PRE

POST

POST

(PRE)

(PRE)

0

8

-+15

AUX2/DFX TO AUX 1AUX2/DFX TO AUX 1

8

-

CTRL ROOM

/

PHONES

-20

-30

CTRL ROOM OUTPUT

L

STEREO AUX RETURNS

1

LEFT(MONO) LEFT(MONO)

RIGHT RIGHT

R

2

0

8

-+15

AUX RTN 1AUX RTN 1

MAX

8

-

MAX

2TK IN

OUTPUT LEVELOUTPUT LEVEL

0

-2

-4

-7

-10

8

-

MAIN MIX LEVEL

LTO

AM

14-CHANNEL MIXING CONSOLE

WITH DIGITAL EFFECTS

2

4

PHPWR

-140

PHONES

AUX SENDS

1

2

0

8

-+15

AUX RTN 2 (DFX)AUX RTN 2 (DFX)

2TK TO

2TK TO

CTRL ROOM

CTRL ROOM

2TK TO MIX

TAPE

7

10

CLIP

+15

L

R

13

13

10. MONO DELAY

11. STEREO DELAY

12. FLANGER

13. CHORUS

14. REV.+ DELAY

15. FLANGERREV.+

16. REV.+ CHORUS

R

FX

DSP

FOOTSWITCH

1

16

2

15

14

12

11

8

10

9

PRESETS

1

16

2

15

14

12

11

8

10

9

VARIATIONS

PEAK

DFX MUTE

1. VOCAL 1

2. VOCAL 2

3. LARGE HALL

4. SMALL HALL

5. LARGE ROOM

6. SMALL ROOM

7. PLATE

8. TAPE REVERB

9. SPRING REVERB

3

4

5

6

7

3

4

5

6

7

7

AMX-140

MIC 1

J.T.

J.T.

3

TRIM

+15dB -30dB LINE

+15dB -30dB LINE

0dB 44dB MIC

0dB 44dB MIC

-15 +15

-12 +12

-15 +15

1

8

-+15

2

8

-+15

12

BAL OR

BAL OR

UNBAL

UNBAL

LINE IN 4

INSERT

LOW CUT

LOW CUT

75Hz

75Hz

18dB/Oct

18dB/Oct

EQ

HI

12kHzHI12kHz

MID

MID

2.5kHz

2.5kHz

LOW

LOW

80Hz

80Hz

AUX

PRE

POST

POST

(PRE)

(PRE)

PAN

2-TRACK IN/OUT

L

R

TAPE IN

J.T.

J.T.

3

MIC (MONO)

TRIM

0dB 44dB MIC

-15 +15

-12 +12

-15 +15

1

8

-+15

8

-+15

TAPE OUT

12

EQ

HI

12kHzHI12kHz

MID

MID

2.5kHz

2.5kHz

LOW

LOW

80Hz

80Hz

AUX

PRE

POST

POST

(PRE)

(PRE)

BAL

LEFT(MONO)LEFT(MONO)

1

MIC 2 MIC 3 MIC 4

J.T.

12

BAL OR

BAL OR

UNBAL

UNBAL

LINE IN 1

INSERT

LOW CUT

LOW CUT

75Hz

75Hz

18dB/Oct

18dB/Oct

EQ

HI

12kHzHI12kHz

MID

MID

2.5kHz

2.5kHz

LOW

LOW

80Hz

80Hz

AUX

PRE

POST

POST

(PRE)

(PRE)

PAN

J.T.

12

3

BAL OR

BAL OR

UNBAL

UNBAL

LINE IN 2 LINE IN 3

INSERT INSERT

TRIM

+15dB -30dB LINE

+15dB -30dB LINE

0dB 44dB MIC

0dB 44dB MIC

LOW CUT

LOW CUT

75Hz

75Hz

18dB/Oct

18dB/Oct

EQ

HI

12kHzHI12kHz

-15 +15

MID

MID

2.5kHz

2.5kHz

-12 +12

LOW

LOW

80Hz

80Hz

-15 +15

1

222 22

AUX

PRE

8

-+15

POST

POST

(PRE)

(PRE)

8

-+15

PAN

J.T.

J.T.

3

TRIM

+15dB -30dB LINE

+15dB -30dB LINE

0dB 44dB MIC

0dB 44dB MIC

-15 +15

-12 +12

-15 +15

1

8

-+15

8

-+15

12

BAL OR

BAL OR

UNBAL

UNBAL

LOW CUT

LOW CUT

75Hz

75Hz

18dB/Oct

18dB/Oct

EQ

HI

12kHzHI12kHz

MID

MID

2.5kHz

2.5kHz

LOW

LOW

80Hz

80Hz

AUX

PRE

POST

POST

(PRE)

(PRE)

PAN

J.T.

J.T.

3

TRIM

+15dB -30dB LINE

+15dB -30dB LINE

0dB 44dB MIC

0dB 44dB MIC

-15 +15

-12 +12

-15 +15

1

8

-+15

8

-+15

MAIN MIX OUTPUT

(BAL/UNBAL)

LEFT RIGHT

LINE IN 5/6 LINE IN 7/8

LEFT (MONO)

RIGHT

RIGHT

EQ

HI

12kHzHI12kHz

-15 +15

-12 +12

-15 +15

MID

MID

2.5kl

2.5kl

LOW

LOW

80Hz

80Hz

AUX2 TO AUX 1AUX2 TO AUX 1

PHONES

AUX

PRE

8

-+15

POST

POST

(PRE)

(PRE)

8

-+15

BAL

CTRL ROOM OUTPUT

L

STEREO AUX RETURNS

1

LEFT(MONO)

LEFT(MONO) LEFT(MONO)

RIGHT RIGHT

0

8

-+15

8

MAX

-

CTRL ROOM

/

-7

-10

-20

-30

R

2

0

8

-+15

AUX RTN 1AUX RTN 1

2TK TO MIX

OUTPUT LEVEL

0

-2

-4

LTO

AM

14-CHANNEL MIXING CONSOLE

2

4

PHPWR

-140

PHONES

AUX SENDS

1

2

0

8

-+15

AUX RTN 2AUX RTN 2

2TK TO

2TK TO

CTRL ROOM

CTRL ROOM

7

10

CLIP

L

R

R

RIGHTLEFT

PEAK

8

-+15

LEVEL

1

RIGHTLEFT

PEAK PEAK PEAK PEAK PEAK

8

-+15

LEVEL

2

RIGHTLEFT

8

-+15

LEVEL

3

RIGHTLEFT

8

-+15

LEVEL

RIGHTLEFT

8

-+15

LEVEL

4 5/6 7/8

8

RIGHTLEFT

8

-+15

LEVEL

8

-

MAIN MIX LEVEL

+15

4.1 MONO MIC/LINE Channels

1

These are channel 1 through channel 4. You can connect balanced, low impe­dance microphones to the XLR socket. On the 1/4" phone jack you can connect
either a microphone or a line level instrument. You shall never connect an un­balanced microphone to the XLR socket if you do not want to damage both the
microphone and the mixer.

MIC 1

J.T.

J.T.

3

12

48 Volt phantom power

2

It is available only to the XLR Mic sockets. Never plug in a microphone when
phantom power is already on. Before turning phantom power on, make sure
that all faders are all the way down. In this way you will protect your stage
monitors and main loudspeakers.

4.2 INPUT LEVEL Setting

3

This control is provided with 2 different indication rings: One is
for the microphone and the other for the line levels. When you
use a microphone you shall read the OUTSIDE ring (0~44 dB),
when you use a line level instrument you shall read the INSIDE
ring (+15~-30 dB). For optimum operation you shall set this control
in a way that the peak LED will blink also occasionally in order to
avoid distortion on the input channel.

BAL OR

BAL OR

UNBAL

UNBAL

LINE IN 1

INSERT

TRIM

+15dB -30dB LINE

+15dB -30dB LINE

0dB 44dB MIC

0dB 44dB MIC

LOW CUT

LOW CUT

75Hz

75Hz

18dB/Oct

18dB/Oct

1

4

3

5

4.3 MONO Channel INSERT

Insert points are provided for each mono MIC channel, which can

4

ON

allow you patch external signal processing devices into signal
path. When you insert a TRS jack in the insert socket, the signal
will be taken out after the input gain control (Trim), sent to an ex­ternal processor such as a compressor-limiter, and returned into
the channel strip immediately before the EQ section. Of course,

OFF

POWER

PHANTOM

the jacks used must be stereo (Tip Send/Ring Return).

2

4.4 LOW CUT Switch

5

By pressing this button you will activate a 75 Hz low frequency filter with a slope of 18 dB per octave. You can use
this facility to reduce the hum noise infected by the mains power supply, or the stage rumble while using a microphone.

9

4.5 STEREO Inputs

6

These are Channel 5 through 8. They are organised
in stereo pair and provided with 1/4" TRS sockets.

If you connect only the left jack, the input will operate
in mono mode.

J.T.

J.T.

3

MIC (MONO)

TRIM

LINE IN 5/6 LINE IN 7/8

12

LEFT(MONO)LEFT(MONO)

LEFT (MONO)

6

4.6 3 BANDS EQUALIZER Controls

A 3-band equalizer is provided for all input channels with a wide
range of frequency adjustment.

4.6.1 HI

7

This is the Treble control. You can use it to get rid of high frequency
noises or to boost the sound of cymbals or the high harmonics of
the human voice. The gain range goes from -15dB to +15dB with
a center frequency of 12 kHz.

4.6.2 MID

8

This is the Midrange control. It can affect most fundamental fre­quencies of all musical instruments and human voice. An attentive
use of this control will give you any very wide panorama of sound
effects. The gain range goes from -12dB to +12dB and the center
frequency is 2.5 kHz.

4.6.3 LOW

9

This is the Bass control. Boost male voice or kickdrum and bass
guitar. Your system will sound much bigger than what it is. The gain
range goes from -15dB to +15dB and the center frequency is 80 Hz.

0dB 44dB MIC

RIGHT

-15 +15

-12 +12

-15 +15

1

8

-+15

2

/
D
F
X

8

-+15

EQ

HI

12kHzHI12kHz

MID

MID

2.5kHz

2.5kHz

LOW

LOW

80Hz

80Hz

AUX

PRE

POST

POST

(PRE)

(PRE)

PAN

RIGHT

7

8

9

10

11

4.7 AUX SEND Controls

10

These two controls are used to adjust the level of the signal sent to
AUX buses, and their adjustable range goes from - to +15dB.

AUX1 is configured as PRE-FADER, so, generally, it can be used
for monitor application. While AUX2 is configured as POST-FADER,
therefore, most of the times, it will be used for effects and processors
input, however, you can also changed it to PRE-FADER configuration
according to the specific application. (For more detail, please see
chapter 6.)

10

RIGHTLEFT

PEAK

8

-+15

LEVEL

1

12

13

In the AMX-140FX model, excluding sending out directly to the external effect or processor equipment, the AUX SEND2
will also be sent to the internal onboard effect module.

114.8 PAN/BAL Control

Abbreviation of PANORAMA control for mono channels, for the stereo channels, always says, BALANCE control.

You can adjust the stereo image of the signal via this control. Keep this control in center position and your signal
will be positioned in the middle of stage. Turn this control fully counterclockwise and the signal will be present only
on the left speaker and vice-versa.

4.9 PEAK LED

12

Inside your AMX-140(FX) the audio signal is monitored in several different stages and then sent to the PEAK LED.
When this LED blinks, it warns you that you are reaching signal saturation and possible distortion. The PEAK LED will
blink with a level that is 6dB before actual clipping.

134.10 LEVEL Control

This control will adjust the overall level of this channel and set the amount of signal sent to the main output.

4.11 MAIN MIX LEVEL Dial

14

21

20

This control sets the amount of signal sent either
to the main out socket or to the tape output.

2TK TO

4.12 OUTPUT LEVEL LED Display

15

This stereo 12 segments LED meter will indicate
the level of the overall output signal.

8

-

PHONES

MAX

CTRL ROOM

/

8

-

MAX

2TK IN

OUTPUT LEVEL

2TK TO

CTRL ROOM

CTRL ROOM

2TK TO MIX

TAPE

18

19

4.13 POWER LED

16

This LED indicates when the power is on in your
AMX-140(FX).

4.14 PHANTOM LED

17

This LED indicates when the phantom power is
switched on.

4.15 TAPE Switches

- 2TK TO CTRL ROOM

18

Engaging this button to route the 2 TRACK IN signal
into the control room output.

- 2TK TO MIX

19

Engaging this button to route the 2 TRACK IN signal
into the main output.

16

-30

-7

-10

-20

8

-

MAIN MIX LEVEL

0

-2

-4

2

4

7

PHPWR

10

CLIP

L

15

R

17

+15

14

11

4.16 2TK IN Control

20

This control is used to adjust the level of 2TK IN signal, which can be varied from - to MAX.

4.17 PHONES/CTRL ROOM Control

21

This control sets the amount of signal sent to the control room and headphone.

4.18 AUX RETURN Controls

22

As implied in the name, the auxiliary returns are used to 'return' the
signal from the external effects or processors to the main mix, but,
most of the times, it can also be worked as the additional stereo line
inputs.

In this typical compact unit:
AUX RETURN1 is configured to be assigned to the main mix bus

AUX2/DFX TO AUX 1AUX2/DFX TO AU X 1

permanently, for mono application, only use the left input jack.
But for AUX RETURN2, excluding assigning the returned signal to
main mix bus, it can also to AUX1 bus, and in this case, adjust AUX2/
DFX TO AUX1 knob to control the input level.

23

In AMX-140FX model, AUX RETURN2 (DFX) is connected rightly
with the output of the internal digital effects, but, this signal flow will
be broken, if you have any external signal inserted from these two
jacks.

0

8

-+15

23

0

8

-+15

AUX RTN 1AUX RTN 1

22

0

8

-+15

AUX RTN 2 (DFX)AUX RTN 2 (DFX)

4.19 AUX SENDS Connectors

24

These 1/4" sockets are used to send out the signal from the AUX

bus to external devices such effects.

4.20 STEREO AUX RETURNS Connectors

25

Use these stereo 1/4" sockets to return the sound of an effect
unit to the main mix. You can also use them as the extra auxiliary
inputs.

4.21 PHONES

26

This socket will send out the mix signal to a pair of headphones.

4.22 CTRL ROOM OUTPUT Connectors

27

These 1/4" sockets are used to send the control room signal to
the studio monitor speakers or a second set of PA.

27

CTRL ROOM OUTPUT

L

STEREO AUX RETURNS

1

LEFT(MONO)LEFT(MONO) LEFT(MONO)LEFT(MONO)

RIGHT RIGHT

R

2

25

26

PHONES

AUX SENDS

1

2

24

12

4.23 24 BIT DIGITAL EFFECTS (For AMX-140FX Model)

- PRESETS Control

28

Adjust this knob to select the right effect you wish to perform.
There are total 16 options for you: several kinds of reverb, mono
and stereo delay, effects with modulation, and versatile two-effect
combination.

- VARIATIONS Control

29

Since you have selected the preferable effect, the next step, please
go with the fine consideration, there are also total 16 variations for
each preset. Each variation may be managed by several different
factors.

- MUTE Switch

30

This switch is used to activate/deactivate the effect facility.
Sometimes, you can also use the DFX FOOTSWITCH for con­venient operation.

- PEAK LED

31

This LED lights up when the input signal is too strong.
In case of the digital effect module being muted, this LED also
lights up.

DSP

FOOTSWITCH

1

16

15

14

13

12

11

8

10

9

PRESETS

1

16

15

14

13

12

11

8

10

9

VARIATIONS

PEAK

DFX MUTE

32

2

3

4

5

6

7

2

3

4

5

6

7

28

29

31

30

- DFX FOOTSWITCH

32

This 1/4" phone jack can be used to connect an external foot­switch to turn on/off the onboard effect module.

4.24 2TK IN/OUT Connectors

33

-TAPEIN

Use the tape input if you wish to listen to your mix from a taper
recorder or DAT. You can assign the signal coming from the taper
recorder either to a pair of studio monitor using the control room
assignment on the front panel or you can also send the signal
directly to the main mix.

-TAPEOUT

These RCA jacks will route the main mix into a tape recorder.

1. VOCAL 1

2. VOCAL 2

3. LARGE HALL

4. SMALL HALL

5. LARGE ROOM

6. SMALL ROOM

7. PLATE

8. TAPE REVERB

9. SPRING REVERB

10. MONO DELAY

11. STEREO DELAY

12. FLANGER

13. CHORUS

14. REV. + DELAY

15. FLANGERREV. +

16. REV. + CHORUS

2-TRACK IN/OUT

L

R

TAPE IN

TAPE OUT

33

13

4.25 MAIN MIX OUTPUT Connectors

34

The stereo output is supplied both with XLR and 1/4" TRS sockets,
which is used to send the audio signal to an amplifier.

Through the main mix level control, you can adjust the output level
from - to +15dB.

4.26 REAR PANEL Description

MAIN MIX OUTPUT

(BAL/UNBAL)

LEFT RIGHT

34

ON

OFF

PHANTOM

POWER

RATED POWER CONSUMPTION: 25W

35

18VAC~

2

36

- POWER ON/OFF Switch

CAUTION

RISK OF ELECTRIC SHOCK

WARNING: SHOCK HAZARD
AVIS: RISQUE DE CHOC ELECTRIQUE

DO NOT OPEN

- DO NOT OPEN

35

MODEL

- NE PASOUVRIR

SERIAL

This switch is used to turn the main power ON and OFF.

- PHANTOM ON/OFF Switch

2

This switch will apply +48 Volt Phantom Power only to the 5 XLR microphone inputs. Never connect microphones
when the phantom power is on already.

- AC INPUT Connector

36

This connector is used to connect the supplied AC Adapter.

14

5. INSTALLATION AND CONNECTION

Ok, you have got to this point you are now in the position to successfully operate your AMX-140(FX). However, we
advise you to read carefully the following section to be the real master of your own mix. Not paying attention enough
to the Input signal level, to the routing of the signal and the assignment of the signal will result in unwanted distortion,
a corrupted signal or no sound at all. So you should follow this procedure for every single channel:

Turn down all Input and output gain controls.

Connect phantom powered microphones before switching on the +48Volt phantom power switch.

If you have a power amplifier connected to your AMX-140(FX) set the level of the amplifier at no more than 75%.

you are doing connecting a pair of headphones or a pair of powered studio monitor speakers.

Position HI, MID and LOW EQ controls on the middle.

Position panoramic (PAN) control on the center.

not light up.

At this point increase the input gain so that the PEAK LED will blink occasionally. In this way you will maintain good

headroom and ideal dynamic range.

Now connect a microphone and ask the singer to sing loud into the microphone. Turn slowly the Gain Control clockwise

and have the PEAK LED blink only occasionally.

whatNow, set the CONTROL ROOM/PHONES level at no more than 50%. In this way you will be able to hear later

doesWith a headphone or studio monitor speakers connected apply a Line Level input signal so that the PEAK LED

this case you can adjust the overall output level through the MAIN MIX control.

InNow repeat the same sequence for all input channels. The main LED Meter could move up into the red section.

15

5.1 SOME FINAL TIPS ON WIRING CONFIGURATION

You can connect unbalanced equipment to balanced inputs and outputs. Simply follow these schematics.

Strain Clamp

Strain Clamp

Sleeve

Tip

Ring

Sleeve=Ground/Screen

Use for Headphone, Stereo Return

Ring=Right Signal

1/4" Stereo (TRS) Jack Plug

Sleeve

Use for Mono Line In, Mono 1/4"Jack Plugs

Tip

Sleeve=Ground/Screen

1/4" Mono (TS) Jack Plug

Tip=Left Signal

Tip=Signal

Sleeve

Strain Clamp

1/4" Stereo (TRS) Jack Plug

2

2=Hot(+)

3=Cold(-)

Use for Balanced Mic Inputs

(For unbalanced use, connect pin 1 to 3)

1

3

1=Ground/Screen

Tip

Ring

Sleeve=Ground/Screen

Use for Pre-Gain Channel Inserts

Ring=Return Signal

2=Hot(+)

(For unbalanced use, leave pin 3 unconnected)

Tip=Send Signal

2

1

3

3=Cold(-)

Use for Main output

1=Ground/Screen

3-pin XLR Male Plug

(seen from soldering side)

3-pin XLR Line Socket

(seen from soldering side)

16

Ring=Return Signal (Connected together)

To Channel Insert

Sleeve=Ground/Screen

Tip=Signal

To Tape or FX Input

Sleeve=Ground/Screen

'Tapped' Connection Direct Output Lead

(Enables the Insert to be used as a Direct Output

while maintaining the channel signal flow)

To Processor Input

Sleeve=Ground/Screen

Tip

Tip=Send Signal

To Channel Insert

Sleeve

Ring

Ring=Return Signal

To Processor Output

-Stereo lead for insert Connection

(To be used when the processor does not employ a

single jack connection for the In/Out Connections)

17

6. FOR THE EXPERTS WHO WANT TO KNOW MORE

As we have told you previously in this manual, the AUX SEND2 control both on mono and on stereo channels is factory
wired as POST-FADER. If you have some skill in electronic components soldering you can modify this setting and have
all your AUX SENDS configured as PRE-FADER.

(PRE)

POST

AUX

Disconnect
the POST route

Before

Modification on mono and stereo channels

(PRE)

POST

AUX

Solder the PRE route

After

18

7. PRESET LIST (For AMX-140FX Model)

01. VOCAL1

02. VOCAL2

No

1

2
3
4
5
6
7
8
9

10

11
12
13
14
15
16

No

1
2
3
4
5
6
7
8
9

10

11
12
13
14
15
16

Pre-delay

84 1.00
30

0 4.50 10
55
10 1.20 9
79
45
45
25

0
45

114

40
50
45
55

Pre-delay

114

45
79
10
55

0
30
84
55
45
50
40

114

45

0
25

Rev Time

1.00 8

3.60

3.60

0.8

1.50

2.40

0.90

1.50

1.00

1.00

2.10

4.50

1.70

Rev Time

1.00

0.80

3.60

1.20

3.60

4.50

1.00

1.00

1.70

4.50

2.10

1.00

1.00

1.50

0.90

2.40

Room Size

39

11

8
41
41

9
41
10
45

9
10

11

Room Size

10
41

8

9
11
10

8
39
11
41

9
45
10
41
41

9

Rev. Type

Hall

Tape

Spring

Plate

Spring

Hall
Plate
Plate

Spring

Tape
Plate

Hall

Spring

Tape
Plate
Plate

Rev. Type

Spring

Plate

Hall

Spring

Plate

Spring

Tape

Hall
Plate
Plate
Tape

Spring

Hall
Plate
Tape

Spring

Hi Damp

-12

-12

-12

-12

-12

-12

-12

-12

-12

-12

-12

-12

-12

-12

-12

-12

Hi Damp

-12

-12

-12

-12

-12

-12

-12

-12

-12

-12

-12

-12

-12

-12

-12

-12

03. LARGE HALL

No

1
2
3
4
5
6
7
8

Pre-delay

55
55
40
40
50
50
27
27

Rev Time

5.40

5.40

5.40

5.40

4.50

4.50

4.50

4.50

19

Room Size

45
45
35
35
43
43
33
33

Hi Damp

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

Rev level

79
79
78
78
82
82
82
82

9

10

11
12
13
14
15
16

04. SMALL HALL

50
50
27
27
45
45
23
23

4.00

4.00

4.00

4.00

3.60

3.60

3.60

3.60

42
42
32
32

41

41
30
30

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

82
82
82
82
88
88
88
88

No

1
2
3
4
5
6
7
8
9

10

11
12
13
14
15
16

05. LARGE ROOM

No

1
2
3
4
5
6
7
8
9

10

11
12
13
14
15
16

Pre-delay

45
45
23
23
40
40
20
20
40
40
20
20
40
40
20
20

Pre-delay

55
55
40
40
50
50
27
27
50
50
27
27
45
45
23
23

Rev Time

2.90

2.90

2.90

2.90

2.10

2.10

2.10

2.10

1.50

1.50

1.50

1.50

1.00

1.00

1.00

1.00

Rev Time

4.50

4.50

4.50

4.50

4.00

4.00

4.00

4.00

3.60

3.60

3.60

3.60

2.90

2.90

2.90

2.90

Room Size

39
39
28
28
38
38
27
27
37
37
26
26
36
36
25
25

Room Size

20
20

11

11
19
19

11

11
18
18
10
10
18
18
10
10

Hi Damp

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

Hi Damp

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

Rev level

92
92
92

92
100
100
100
100
100
100
100
100
100
100
100
100

Rev level

82

82

82

82

82

82

82

82

88

88

88

88

88

88

88

88

20

06. SMALL ROOM

07. PLATE

No

1

2
3
4
5
6
7
8
9

10

11
12
13
14
15
16

No

1
2
3
4
5
6
7
8
9

10

11
12
13
14
15
16

Pre-delay

45
45
23
23
40
40
20
20
40
40
20
20
40
40
20
20

Pre-delay

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Rev Time

2.10

2.10

2.10

2.10

1.50

1.50

1.50

1.50

1.00

1.00

1.00

1.00

0.70

0.70

0.70

0.70

Rev Time

6.10

5.40

4.50

4.00

3.60

2.90

2.40

2.10

1.70

1.50

1.30

1.20

1.00

0.80

0.70

0.60

Room Size

17
17

9

9
17
17

9

9
16
16

8

8
16
16

8

8

Room Size

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Hi Damp

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

Hi Damp

-2.08

-2.08

-2.08

-2.08

-2.08

-2.08

-2.08

-2.08

-2.08

-2.08

-2.08

-2.08

-2.08

-2.08

-2.08

-2.08

Rev level

92
92
92

92
100
100
100
100
100
100
100
100
100
100
100
100

08. TAPE REVERB

No

1
2
3
4
5
6
7
8

Pre-delay

84
84
84
84
84
84
84
84

Rev Time

5.4

5.4

4.50

4.50
4
4

3.60

3.60

21

Room Size

38
38
35
35

31

31
28
28

Hi Damp

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

Rev level

79
79
79
79
84
84
84
84

9

10

11
12
13
14
15
16

09. SPRING REVERB

0
0
0
0
0
0
0
0

3.60

3.60

2.90

2.90

2.10

2.10

1.30

1.30

23
23
23
23

21
21
21
21

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

92
92
92

92
100
100
100
100

No

1
2
3
4
5
6
7
8
9

10

11
12
13
14
15
16

10. MONO DELAY

No

1
2
3
4
5
6
7
8
9

10
11
12
13
14
15
16

Pre-delay

35
35
30
30
30
30
30
84

0
0
0
0
0
0
0
0

Delay

650
625
600
577
555
535
517
500
484
461
448
434
350
250
100

60

Rev Time

5.4

5.4

4.50

4.50
4
4

3.60

3.60

2.90

2.90

2.40

2.40

1.70

1.70

1.30

1.30

F.B.

60
60
60
60
60
60
60
60
60
60
60
60
60
65

0
0

Room Size

35
35
33
33
30
30
28
28
22
22
22
22
22
22
22
22

Hi Damp

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

-0.96

-12.00

Rev level

79
79
79
79
87
87
87
87
92

92
100
100
100
100
100
100

22

11. STEREO DELAY

No
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16

12. FLANGER

No
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16

Delay
400

375
352
326
312
300
288
277
267
258
250
241
238
230
222
214

Mod. Freq

2.79

2.52

2.33

2.25

2.10

1.99

1.75

1.61

1.34

1.22

1.00

0.80

0.65

0.54

0.42

0.16

Right Delay

200
187
176
163
156
150
144
138
133
129
125
120
119
115
111
107

Pitch. Depth

30
40
40
40
40
40
40
50
50
70
70
70
70
70
70
70

Left F.B.

51
51
40
40
40
40
40
40
30
38
37
36
36
37
38
37

Left F.B.

38
42
38
38
42
38
42
38
42
58
62
62
58
68
68
68

Right F.B.

72
72
72
72
72
72
66
66
66
73
73
73
73
74
73
73

Right F.B.

42
38
42
42
38
42
38
42
38
62
58
58
62
72
72
72

13. CHORUS

No
1
2
3
4
5
6
7
8
9
10

Mod. Freq.

5.00

4.74

4.39

4.12

3.90

3.67

3.32

3.02

2.87

2.63

Pitch. Depth

15
15
15
15
30
30
30
30
30
40

23

IHFR

-3(0)

-4(0)

-4(0)

-4(0)

-4(0)

-4(0)

-4(0)

-4(0)

-4(0)

-4(0)

11
12
13
14
15
16

14. REVERB+DELAY

2.33

1.99

1.70

1.35

1.00

0.50

40
40
40
40
70
70

-3(0)

-3(0)

-3(0)

-2(0)

-2(0)

-2(0)

No
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16

Rev Time

2.90

2.90

2.90

2.90

2.40

2.40

2.40

2.40

2.10

2.10

1.50

1.50

1.50

1.50

1.00

1.00

15. REVERB+FLANGER

No

Rev Time
1
2
3
4
5
6
7

8
9
10
11
12
13
14
15
16

2.90

2.90

2.90

2.90

2.90

2.90

2.90

2.90

1.50

1.50

1.50

1.50

1.50

1.50

1.00

1.00

Room Size

39
39
39
39
39
39
39
39
26
26
26
26
26
26
26
26

Room Size

39
39
39
39
39
39
39
39
26
26
26
26
26
26
26
26

Left Delay

375
326
300
277
258
241
230
211
375
326
300
277
258
241
230
211

Mod. Freq.

Right Delay

2.52

2.25

1.99

1.61

1.22

0.80

0.54

0.16

2.52

2.25

1.99

1.61

1.22

0.80

0.54

0.16

187
163
150
138
129
120
115
107
187
163
150
138
129
120
115
107

Pitch. Depth

Left F.B.

40
40
40
50
70
70
70
70
40
40
40
50
70
70
70
70

48
28
28
28
28
28
28
28
48
28
28
28
28
28
28
28

Right F.B.

82
67
67
67
60
49
49
49
82
67
67
67
60
49
49
49

Left F.B.

40
40
40
40
60
60

70
70
40
40
40
40
60
60
70
70

Rev level

80%
80%
80%
80%
80%
80%
80%
80%
90%
90%
90%
90%
90%
90%
90%
90%

Rev level

90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%

24

16. REVERB+CHORUS

No
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16

Rev Time

2.90

2.90

2.90

2.90

2.90

2.90

2.90

2.90

1.50

1.50

1.50

1.50

1.50

1.50

1.00

1.00

Room Size

39
39
39
39
39
39
39
39
26
26
26
26
26
26
26
26

Mod. Freq.

4.74

4.12

3.67

3.02

2.63

1.99

1.35

0.50

4.74

4.12

3.67

3.02

2.63

1.99

1.35

0.50

Pitch. Depth

40
40
40
40
40
40
70
70
40
40
40
40
40
40
70
70

Left F.B.

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Rev level

90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%
90%

25

8. SYSTEM BLOCK DIAGRAMS

PHONES

OUTPUT

R

S

T

PHONES

B

OUTPUT

LEFT

ROOM

R

S

T

CONTROL

ROOM

&PHONES

CONTROL

R

RIGHT

T

METER

LEFT

A

VER031210

1

f

Revision

1o

8

M

nBy:

Sheet

Draw

DIAGRA

CONSOLE

BLOCK

O MIXING

S

METER

RIGHT

MAP.Sch

AMX-140FX

ALT

No:

19-Dec-2003

AMX140FX

Model

A2(C)

7

Date:

Size

File:

Titel

6

D

8

SEND

AUX

R

SEND1

AUX

R

S

T

OUT

SEND2

AUX

MAIN

R

S

T

S

T

MAIN MIX LEFT

213

R

S

T

C

LEFT

OUT

TAPE

MAIN MIX RIGHT

213

2-TRACK

IN

RIGHT

TAPE

7

6

MIX

MAIN

LEVEL

2TK IN

LEVEL

2TK TO MIX

2

2

1

3

1

3

1

3

1

3

2

2TK TO CTRL ROOM

2

5

4

3

2

EFX SEND
AUX-2
AUX-1
RIGHT-BUS
LEFT-BUS

PAN

LEVEL

HI

MID

LO

GAIN

( 1-4 )

CHANNELS

INPUT

ER

+48V

POW

PHANTOM

MONO

AUX1

AUX2

2

PRE

POST

121

2

LO CUT

1

3

EQ

12K

75Hz

2.5K80
3-BAND

+

-

213

MIC IN

SG/OL

HI PASS

T

RN

TN

R

3c5e1a4d2b

LINE IN

HI

MID

LO

S

(5-8)

CHANNELS

INPUT

GAIN:0~60dB

MIC

LINE IN TRIM:+15dB~-45dB

STEREO

BALANCE

LEVEL

12K

2.5K80

-

RN

R

3c5e1a4d2b

EQ

3-BAND

TN

+

S

T

R

3c5e1a4d2b

MONO)

LEFT(

AUX2

AUX1

URN2

SG/OL

12K

EQ

2.5K80

GAIN

-

+

+

URN1

RET

AUX

5,6 ONLY

-

+

CHANNEL

-

1

RETURN

S

T

RN

TN

RIGHT

213

ER

+48V

POW

PHANTOM

MIC5 IN

RN

TN

R

AUX

3c5e1a4d2b

STEREO

S

T

R

3c5e1a4d2b

MONO)

LEFT(

RET

AUX

-

-

+

+

AUX1

-

+

BOARD

DSP

2

RETURN

RN

TN

R

AUX

3c5e1a4d2b

STEREO

S

T

S

T

RN

TN

R

3c5e1a4d2b

LEFT

RIGHT

S

T

RN

TN

RIGHT

S

PRESET

IONS

VARI AT

MUTE

5

EFX SEND
AUX-2
AUX-1
RIGHT-BUS
LEFT-BUS

4

3

2

SWITCH

FOOT

DSP

1

D

C

B

A

1

26

9. TECHNICAL SPECIFICATION

Mono input channels

Microphone input
Frequency response
Distortion (THD & N)
Gain range 0dB to 44dB (MIC)

SNR (Signal to Noise Ratio)

Line input
Frequency response

Distortion (THD & N)
Sensitivity range

Stereo input channels

Line input
Frequency response
Distortion (THD & N)

Impedances

Microphone input
Channel Insert return
All other inputs
Tape out
All other output

Equalization

Hi shelving
Mid bell

Low shelving
Low Cut filter

DSP Section (For AMX-140FX Model)

A/D and D/A converters

DSP resolution
Type of effects

Presets
Controls

Main Mix Section

Noise (Bus noise) Fader 0 dB, channels muted: 100dBr (ref.:+4dBu)

Max output

AUX Returns gain range

AUX Sends max out

electronically balanced, discrete input configuration
10Hz to 55kHz, + 3dB

0.005% at 4dBu, 1kHz+

115dB
electronically balanced
10Hz to 55kHz, 3dB

0.005% at 4dBu, 1kHz+
15dBu to 30dBu

+

Unbalanced
10Hz to 55kHz, 3dB

0.005% at +4dBu, 1kHz

1.4kOhm

2.5kOhm

10kOhm or greater

1kOhm
120Ohm

15dB @12kHz

+
+

12dB @2.5kHz

+

15dB @80Hz

75Hz, 18dB/oct.

24 bit

24 bit
Hall, Room, Vocal & Plate REVERBS
Mono & Stereo DELAY (max DELAY TIME 650ms)
Chorus, Flanger & Reverb MODULATIONS

REVERB+DELAY, REVERB+CHORUS,

REVERB+FLANGER combinations
256
16-position PRESET Selector

16-position VARIATION selector

PEAK LED
MUTE SWITCH with LED indicator

Fader 0dB, all input channels assigned and set to
UNITY gain: 90dBr (ref.:+4dBu)

+22dBu balanced XLR,

22dBu unbalanced, 1/4" jacks+

- to +20dB

+22dBu

+

+

27

Power supply (AC/AC Adaptor)

Main voltage

Power Consumption

Physical

Dimension (W D H)

Net weight
Shipping weight 3.6Kg (7.94lb)

USA/Canada 100 120V~, 60Hz
Europe 210 240V~, 50Hz

U.K./Australia 240V~, 50Hz

17.1 watts

270mm 310mm 35/45mm
(7.79" 8.95" 1.01"/1.30")

3.0Kg (6.61lb)

28

10. WARRANTY

1. WARRANTY REGISTRATION CARD

To obtain Warranty Service, the buyer should first fill out and return the enclosed Warranty Registration Card within
10 days of the Purchase Date.

All the information presented in this Warranty Registration Card gives the manufacturer a better understanding of
the sales status, so as to purport a more effective and efficient after-sales warranty service.

Please fill out all the information carefully and genuinely, miswriting or absence of this card will void your warranty
service.

2. RETURN NOTICE

2.1 In case of return for any warranty service, please make sure that the product is well packed in its original shipping
carton, and it can protect your unit from any other extra damage.

2.2 Please provide a copy of your sales receipt or other proof of purchase with the returned machine, and give detail

information about your return address and contact telephone number.

2.3 A brief description of the defect will be appreciated.

2.4 Please prepay all the costs involved in the return shipping, handling and insurance.

3. TERMS AND CONDITIONS

3.1 warrants that this product will be free from any defects in materials and/or workmanship for a period

LTO

of 1 year from the purchase date if you have completed the Warranty Registration Card in time.

3.2 The warranty service is only available to the original consumer, who purchased this product directly from the

retail dealer, and it can not be transferred.

3.3 During the warranty service, may repair or replace this product at its own option at no charge to you for

LTO

parts or for labor in accordance with the right side of this limited warranty.

3.4 This warranty does not apply to the damages to this product that occurred as the following conditions:

Instead of operating in accordance with the user's manual thoroughly, any abuse or misuse of this product.

Normal tear and wear.

The product has been altered or modified in any way.

Damage which may have been caused either directly or indirectly by another product / force / etc.

Abnormal service or repairing by anyone other than the qualified personnel or technician.

And in such cases, all the expenses will be charged to the buyer.

3.5 In no event shall be liable for any incidental or consequential damages. Some states do not allow the exclu-

LTO

sion or limitation of incidental or consequential damages, so the above exclusion or limitation may not apply to you.

3.6 This warranty gives you the specific rights, and these rights are compatible with the state laws, you may also

have other statutory rights that may vary from state to state.

29

SEIKAKU TECHNICAL GROUP LIMITED

No. 1, Lane 17, Sec. 2, Han Shi W. Road, Taichung, 401 Taiwan

http://www.altomobile.com Tel: [phone]

email: [e-mail] Fax: [phone]

All rights reserved to ALTO Mobile. Due to continued development in response to

customer feedback, product features, specifications and/or internal/external design may be

changed without prior notice. No photocopying, translation or reproduction of any part of this user

manual is allowed without prior written permission.Copyright 2004 Seikaku Technical Group Limited.

c

NF01658-1.0