AKG PT470 User Manual

WMS450/470 MULTICHANNEL SETUP GUIDE

SCHEMATIC & PART LIST 1-16 CHANNEL

Wolfgang Fritz 01/2012

1

Introduction

The following schematics will help you to easily set up multi channel systems.
Please use the equipment that is specified in the schematics only.
For your convenience and understanding, we’ve added technical information and part lists.
You can use this part lists when ordering the system you require! If you need any help

regarding the frequency regulations or if your particular situation doesn’t allow the installation

of a standard system, please do not hesitate to contact us at [e-mail].

All the WMS450/470 systems in this document are designed with active antennas that can
be used in all venues with a 20m RG58 antenna cable.

SRA2 B/W active directional antenna

For venues (tour sound &installs) cover a large area (up to 150m, 500ft) like music halls,
stadiums and other open air applications.

RA4000 B/W active omni-directional antenna

For venues without a designated transmitter area and up to 100m/330ft (free viewing
direction). Ideal for conference rooms, multi purpose halls, houses of worship etc.

WMS450/470

01 / 2012

2

Content

General Information Page

Receiver/Antenna Placement

Information 4

Squelch

Information 4

Intermodulation

Information 4

Cable Attenuation

Information 5

PS4000 dip switch

Information 5

AB4000 dip switch

Information 5

PS4000 dip Switch Matrix

Information 6

Required Component Matrix

Information 7

Glossar

Information 8

WMS System Antenna Type Page

16

Channel

SRA2 B/W

16

Channel

RA4000 B/W

SRA2 B/W

RA4000 B/W

SRA2 B/W

RA4000 B/W

2

Channel no PS4000W

2

Channel no PS4000W

1

Channel

Channel12

2

Channel no PSU4000

RA4000 B/W

SRA2 B/W

Channel no PSU4000

Channel no PSU4000

Channel no PSU4000

SRA2 B/W

4

4

Channel no PSU4000

Channel no PSU4000

RA4000 B/W

SRA2 B/W

RA4000 B/W

SRA2 B/W

6

Channel no PSU4000

RA4000 B/W

6

Channel no PSU4000

5

5

10

Channel

8

Channel no PSU4000

SRA2 B/W

8

Channel no PSU4000

RA4000 B/W

10

Channel

SRA2 B/W

RA4000 B/W

SRA2 B/W

RA4000 B/W

Channel no PSU4000

9

9

Channel no PSU4000

SRA2 B/W

RA4000 B/W

12

12

Channel

Channel

Schematic / Part List

Schematic / Part List

Schematic / Part List

Schematic / Part List

Schematic / Part List

Schematic / Part List

Schematic / Part List

Schematic / Part List

Schematic / Part List

Schematic / Part List

Schematic / Part List

Schematic / Part List

Schematic / Part List

Schematic / Part List

Schematic / Part List

Schematic / Part List

9

11

131517

19

Schematic / Part List

Schematic / Part List

21

232527

Schematic / Part List

Schematic / Part List

Schematic / Part List

Schematic / Part List

41

434547

49

51

29

31

333537

39

WMS450/470

01 / 2012

3

Technical Information

Wireless Basics

Ø Every wireless microphone system has to operate on one specific frequency
Ø Transmitter and receiver of a system need to work on the same frequency
Ø Two transmitters cannot be used with one receiver at the same time

Receiver/Antenna Placement

Ø Direct line of sight between transmitter and receiver antenna
Ø Keep the receiver/antennas at least 5 ft. (1.5 m) away from all transmitters
Ø Keep the receiver antennas at least 5 ft. (1.5 m) away from any big metal object, wire

(particularly wire mesh) or sheet metal structures, walls, ceilings, etc.

Ø Do not place the antennas in closed areas (behind walls)
Ø Place the receiver at least 5 ft. (1.5 m) away from any equipment that may emit RF

radiation such as lighting racks, fluorescent lamps, digital effect units, or PCs

Squelch

Ø Standard: Carrier squelch, manual

– Operates strictly on the signal strength of the signal.

– If received signal strength drops under the adjustable squelch threshold the

audio output is muted

Ø Advanced: Tone Code (only WMS470/4500)
– The audio turns on only in the presence of the correct tone code and an

adequate signal strength (-100dbm)

– Lock out of all signals except ones with the correct key.

Intermodulation

Intermodulation is the result of two or more signals of different frequencies
being mixed together, forming additional signals that are not harmonic
frequencies of either.

By using more than one transmitter simultaneously at the same location,
intermodulation happens in the receiver and/or transmitter. These

intermodulation products are generated in the bandwidth that you are using.

To avoid intermodulating frequencies, we offer pre-calculated frequencies as
presets in the SR450 and SR4500 Receiver. Please, make sure that when setting
up a multi channel system, all your receivers are set to the same country preset
(NAME) and group. Use the automatic channel function (auto setup) to scan for
free frequencies in your venue.

WMS450/470

01 / 2012

4

Cable Attenuation

To obtain the best sound possible, you need to have the right RF input level throughout
your signal chain. Premium quality wireless systems like the WMS450/470 and
WMS4500, offer you adjustable RF-level settings that garantee to maximise operating
distance even when using different cable lenghts and different types of cable! For this
purpose, AKG’s PS4000W antenna splitter, has 3 dip switches that you’ll find on the right
side of it’s front panel, behind the AKG logo.

RG58 Cable Attenuation (MKPS, MKA5, MKA20 antenna cable)

PS4000 W dip switch

These switches reduce the input RF level of the antenna input between 0 dB and 14 dB.
Levels of all antenna outputs and the cascade (link) output will be reduced.

PS4000W – Power Splitter

Rear View

Antenna A cascade output

Antenna A input
(DC power)

4x Antenna A output

(DC power)

Ant. B

Signal level adjustment

Attenuation

dip switches behind AKG Logo

AB4000 dip switch

The AB4000 has a fix 17.5dB amplifier in the output stage. The dip switches reduce the
input RF level of the AB4000 from 0 dB and -14 dB. AB4000 gets the DC power from the
PS4000W or an ASU4000 unit via the antenna cable

AB4000 – Antenna Booster

Internal

Attenuation

Total Gain

3.5 dB

5.5 dB

7.5 dB

9.5 dB

11.5 dB

13.5 dB

15.5 dB

17.5 dB

Signal level adjustment

WMS450/470

01 / 2012

5

PS4000 W dip switch matrix (RG58 cable)

Passiv Antennas Active Antennas

Antenna type

&

Gain

Cable type
&
Length

¼ wave

UHF Antenna

0 dB

RA4000 W SRA2 W RA4000 BW SRA2 BW

1 dB 4-6 dB 17 dB 21.5 dB

MKPS

0.65m / 2ft

MKA 5

5m / 16ft

MKA 20

20m / 66ft

MKA 5 + MKA 20

25m / 82ft

2x MKA 20

40m / 132ft

3x MKA 20

60m / 198ft

Antenna Booster

AB4000

necessary !

0 dB

0 dB

0 dB

0 dB -2 dB

-4 dB

-8 dB -12 dB

-6 dB -10 dB

0 dB -2 dB

RA4000 BW

2x MKA 20

AB4000

0 dB

1x MKA 20

2x MKA 20

AB4000

0 dB

1x MKA 20

SRA2 BW

PS4000

-4 dB
RA4000 BW

2x MKA 20

PS4000

-8 dB
SRA2 BW

2x MKA 20

4x MKA 20

80m / 264ft

AB4000

0 dB

AB4000

0 dB

Antenna Booster

AB4000

necessary !

2x MKA 20

PS4000

0 dB

2x MKA 20

PS4000

0 dB

You have to use these PS4000 W dip switch settings for all PS4000 W directly
connected to antennas.

All PS4000 W connected to a PS4000 W link output (cascade)
have dip switch setting ON/ON/ON (0dB)

WMS450/470

01 / 2012

6

PS4000 ZAPD-21 MKPS PSU4000

AC12

500mA

AC12

2000mA

HUB4000Q PSU4000

AC12

500mA

2 1 0 4 0 0 1 1 0 1
3 1 0 6 0 0 1 1 0 1
4 1 0 8 0 0 1 1 0 1
5 1 0 10 0 1 1 1 0 1
6 2 0 14 0 0 2 1 0 1
7 2 0 16 0 0 2 1 0 1
8 2 0 18 0 0 2 1 0 1

9 2 0 20 0 1 2 2 0 1
10 3 0 24 1 0 0 2 0 1
11 3 0 26 1 0 0 2 0 1
12 3 0 28 1 0 0 2 0 1
13 3 0 30 1 1 0 2 0 1
14 4 2 36 2 0 0 2 0 0
15 4 2 38 2 0 0 2 0 0
16 4 2 40 2 0 0 2 0 0
17 4 2 42 2 0 0 3 0 2
18 4 2 44 2 0 0 3 1 0
19 5 2 48 2 0 0 3 0 2
20 5 2 50 2 0 0 3 0 2
21 5 2 52 2 0 0 3 1 0
22 5 2 54 2 1 0 3 1 0
23 6 2 58 2 0 0 3 1 0
24 6 2 60 2 0 0 3 1 0
25 6 2 62 2 1 0 4 1 1
26 6 2 64 2 2 0 4 1 1
32 9 0 80 3 0 0 4 1 1
36 9 0 88 3 0 0 5 1 2
48 13 0 120 5 0 0 6 1 1
52 13 0 128 5 0 0 7 2 1

WMS

Receive r

Power Supplie s

PC Monitor ing with

System Architect

Antenna Compone nts

2x Antennas (e.g. SRA2 B/W or RA4000 B/W)
2x MKA 20 (see PS4000W dip switch matrix)

plus…

WMS450/470/4500 Component Matrix

WMS450/470

01 / 2012

7

~90-230V

ANT A IN

ANT B IN

SR450/470

DC IN (12V/0.5A)

LOGIC OUT

XLR

¼“ TS

AUDIO OUT

AUDIO OUT

▼

Mixer

ANT A IN ANT B IN

PS4000W

CASCADE B

DC IN (12V/0.5A)

CASCADE A

1A1B2A2B3A3B4B

PSU4000

DC OUT 1 (2.5A)

DC OUT 2 (2A)

AC POWER

DC OUT 3 (2A)

SRA2 B/W

ANT OUT

Glossar

DATA

SR450/470 – WMS450 or WMS470 Stationary Receiver

PS4000W – Power Splitter 1:4 (Distribute RF signal and DC Power)

4A

● Splits 1 antenna to 4 receiver

● Antenna cascade(Link) output to send RF-Signal to next PS4000.

Cascade max. 3 PS4000.
If you need more than 12 channels use an ZAPD in front of the first PS4000.

PSU4000 – Power Supply Unit with 3x 12 volt outputs (2.5A and 2A)

SRA2 B/W – Active Directional Antenna (21.5 dB Gain)

RA4000 B/W

ANT OUT

CU400

DC IN (5V/1.4A)

S

ZAPD-21

A

ANT IN

ASU4000

DC IN (12V/0.5A)

ANT OUT

RA4000 B/W – Active Omni-directional Antenna (17 dB Gain)

CU400 – Charging Unit for WMS450/470 (2 transmitter / unit)

ZAPD-21 – Passive Combiner 2:1 and 1:2

B

ASU4000 – Antenna Supply Unit

● Supplies up to three active elements (RA4000BW, SRA2BW, AB4000)

ANT IN

AB4000

ANT OUT

AB4000 – Antenna Booster

● 3.5 dB – 17.5 dB amplifier

Cable
MKPS – 0.65m/2 feet RG58 antenna cable

MKA5 – 5m/16ft RG58 antenna cable
MKA20 – 20/66ft RG58 antenna cable

0110E01890 – Front mount cable

● Install ¼ wave antennas at the front of the rack

Front mount cable & ¼ wave antenna

WMS450/470

01 / 2012

8

1 Channel WMS450/470 System

With directional antennas & 40m antenna cable (132 feet)

BNC I-connector

Available e.g. www.rs-components.com,
Ordernumber 112-1798

SRA2 B/W

ANT OUT

2x MKA20
(BNC I-connector is necessary to link cables!)

BNC I-connector

Available e.g. www.rs-components.com,
Ordernumber 112-1798

SRA2 B/W

ANT OUT

2x MKA20
(BNC I-connector is necessary to link cables!)

AC12 Power Supply (500mA)

ANT IN

ASU4000

DC IN (12V/0.5A)

ANT OUT

AC12 Power Supply (500mA)

AC12 Power Supply (500mA)

2xMKPS

ANT A IN

ANT B IN

SR450/470

DC IN (12V/0.5A)

AUDIO OUT

DATA

LOGIC OUT

XLR

¼“ TS

AUDIO OUT

▼

Mixer

ASU4000

DC IN (12V/0.5A)

ANT IN

ANT OUT

2 HT450/470 or PT450/470 charging system
(optional)

CU400

5V Power Supply (1.4 A)

DC IN (5V/1.4A)

Date Revision

15.01.2012

Designer

Wolfgang Fritz

Project

1 channel WMS450/470 system

(SRA2 B/W – Antennas)

Ref.No.

1.0

MCS0802001

9

units description comment

1 18

Half-rack receiver with AC-Adapter; hand transmitter with D5 or C5 capsule, or pocket transmitter
with MKGL, or C544L or C555 L+ CK99 L, 2 UHF antennas; RMU 4000 rack mount kit, 1 AA
size battery, 1 stand adapter

2 72

External directional active "paddle" antenna with amplifier (2 req.)

2 54

Connecting cable for PS to SR 2.15ft (65cm)

4 55

66 ft. (20m) Cables for connecting ext. antennas to multi-couplers (2 req.) KOAX RG58

2 10

Antenna Supply unit for long antenna cables (BNC connector) without AC-Adapter

3 4

12V AC-Adapter for 1 ASU4000, AB4000, HUB4000Q or SR4500.

2

BNC I-connector

EXTERNAL !! Not available at AKG - BNC I-Connector
(you can buy it at www.rs-components.com, Ordernumber 112-1798)

units description comment

1 35

Charging unit for WMS 400 transmitters, AC adapters included

1 Channel WMS450/470 System with directional antennas, no PSU4000, no PS4000W

Optional Components

CU 400 EU/US/UK

SRA 2 B/W

WMS450/470 Set

MK PS

MKA 20

ASU4000 (BNC)

AC12 500mA EU/US/UK

WMS450/470

01 / 2012

10

1 Channel WMS450/470 System

with omni-directional antennas & 25m antenna cable (82 feet)

BNC I-connector

Available e.g. www.rs-components.com,
Ordernumber 112-1798

RA4000 B/W

ANT OUT

1x MKA20 + 1x MKA5
(BNC I-connector is necessary to link cables!)

BNC I-connector

Available e.g. www.rs-components.com,
Ordernumber 112-1798

RA4000 B/W

ANT OUT

1x MKA20 + 1x MKA5
(BNC I-connector is necessary to link cables!)

AC12 Power Supply (500mA)

ANT IN

ASU4000

DC IN (12V/0.5A)

ANT OUT

AC12 Power Supply (500mA)

AC12 Power Supply (500mA)

2xMKPS

ANT A IN

ANT B IN

SR450/470

DC IN (12V/0.5A)

AUDIO OUT

DATA

LOGIC OUT

XLR

¼“ TS

AUDIO OUT

▼

Mixer

ASU4000

DC IN (12V/0.5A)

ANT IN

ANT OUT

2 HT450/470 or PT450/470 charging system
(optional)

CU400

5V Power Supply (1.4 A)

DC IN (5V/1.4A)

11

Date Revision

15.01.2012

Designer

Wolfgang Fritz

Project

1 channel WMS450/470 system

(RA4000 B/W – Antennas)

Ref.No.

1.0

MCS0802001

units description comment

1 18

Half-rack receiver with AC-Adapter; hand transmitter with D5 or C5 capsule, or pocket transmitter
with MKGL, or C544L or C555 L+ CK99 L, 2 UHF antennas; RMU 4000 rack mount kit, 1 AA
size battery, 1 stand adapter

2 66

External omni-directional active dipoleantenna with amplifier (2 req.)

2 54

Connecting cable for PS to SR 2.15ft (65cm)

2 55

66 ft. (20m) Cables for connecting ext. antennas to multi-couplers (2 req.) KOAX RG58

2 56

16.5 ft. (5m) Cables for connecting ext. antennas to multi-couplers (2 req.) KOAX RG58

2 10

Antenna Supply unit for long antenna cables (BNC connector) without AC-Adapter

3 4

12V AC-Adapter for 1 ASU4000, AB4000, HUB4000Q or SR4500.

2

BNC I-connector

EXTERNAL !! Not available at AKG - BNC I-Connector
(you can buy it at www.rs-components.com, Ordernumber 112-1798)

units description comment

1 35

Charging unit for WMS 400 transmitters, AC adapters included

1 Channel WMS450/470 System with omni-directional antennas, no PSU4000, no PS4000W

Optional Components

CU 400 EU/US/UK

RA4000 B/W

MK PS

MKA 20

ASU4000 (BNC )

AC12 500mA EU/US/UK

WMS450/470 Set

MKA 5

12

WMS450/470

01 / 2012

2 Channel WMS450/470 System

With directional antennas & 40m antenna cable (132 feet)

BNC I-connector

Available e.g. www.rs-components.com,
Ordernumber 112-1798

AC12 Power Supply (500mA)

SRA2 B/W

ANT OUT

2x MKA20
(BNC I-connector is necessary to link cables!)

BNC I-connector

Available e.g. www.rs-components.com,
Ordernumber 112-1798

ANT IN

ASU4000

DC IN (12V/0.5A)

ANT OUT

S

ZAPD-21

A

B

AC12 Power Supply (500mA)

2xMKPS

SRA2 B/W

ANT OUT

2x MKA20
(BNC I-connector is necessary to link cables!)

ANT IN

ASU4000

DC IN (12V/0.5A)

ANT OUT

S

ZAPD-21

A

B

ANT A IN

ANT B IN

SR450/470

AC12 Power Supply (500mA) AC12 Power Supply (500mA)

DC IN (12V/0.5A)

AUDIO OUT

DATA

LOGIC OUT

XLR

¼“ TS

AUDIO OUT

▼

Mixer

2 HT450/470 or PT450/470 charging system
(optional)

CU400

5V Power Supply (1.4 A)

DC IN (5V/1.4A)

4xMKPS

ANT A IN

SR450/470

DC IN (12V/0.5A)

XLR

AUDIO OUT

▼

Mixer

ANT B IN

LOGIC OUT

¼“ TS

AUDIO OUT

DATA

13

Date Revision

15.01.2012

Designer

Wolfgang Fritz

Project

2 channel WMS450/470 system

(SRA2 B/W – Antennas, no PS4000, PSU4000)

Ref.No.

1.0

MCS0802001

units description comment

2 18

Half-rack receiver with AC-Adapter; hand transmitter with D5 or C5 capsule, or pocket transmitter
with MKGL, or C544L or C555 L+ CK99 L, 2 UHF antennas; RMU 4000 rack mount kit, 1 AA
size battery, 1 stand adapter

2 72

External directional active "paddle" antenna with amplifier (2 req.)

6 54

Connecting cable for PS to SR 2.15ft (65cm)

4 55

66 ft. (20m) Cables for connecting ext. antennas to multi-couplers (2 req.) KOAX RG58

2 10

Antenna Supply unit for long antenna cables (BNC connector) without AC-Adapter

4 4

12V AC-Adapter for 1 ASU4000, AB4000, HUB4000Q or SR4500.

2 88

passive power combiner (2in 1out) or Splitter (1in 2out)

2

BNC I-connector

EXTERNAL !! Not available at AKG - BNC I-Connector
(you can buy it at www.rs-components.com, Ordernumber 112-1798)

units description comment

1 35

Charging unit for WMS 400 transmitters, AC adapters included

2 Channel WMS450/470 System with directional antennas, no PSU4000, no PS4000

Optional Components

CU 400 EU/US/UK

SRA 2 B/W

MK PS

MKA 20

ASU4000 (BNC )

AC12 500mA EU/US/UK

ZAPD21

WMS450/470 Set

14

WMS450/470

01 / 2012

2 Channel WMS450/470 System

with omni-directional antennas & 25m antenna cable (82 feet)

BNC I-connector

Available e.g. www.rs-components.com,
Ordernumber 112-1798

AC12 Power Supply (500mA)

RA4000 B/W

ANT OUT

1x MKA20 + 1x MKA5
(BNC I-connector is necessary to link cables!)

BNC I-connector

Available e.g. www.rs-components.com,
Ordernumber 112-1798

ANT IN

ASU4000

DC IN (12V/0.5A)

ANT OUT

S

ZAPD-21

A

B

AC12 Power Supply (500mA)

2xMKPS

RA4000 B/W

ANT OUT

1x MKA20 + 1x MKA5
(BNC I-connector is necessary to link cables!)

ANT IN

ASU4000

DC IN (12V/0.5A)

ANT OUT

S

ZAPD-21

A

B

ANT A IN

ANT B IN

SR450/470

AC12 Power Supply (500mA) AC12 Power Supply (500mA)

DC IN (12V/0.5A)

AUDIO OUT

DATA

LOGIC OUT

XLR

¼“ TS

AUDIO OUT

▼

Mixer

2 HT450/470 or PT450/470 charging system
(optional)

CU400

5V Power Supply (1.4 A)

DC IN (5V/1.4A)

4xMKPS

ANT A IN

SR450/470

DC IN (12V/0.5A)

XLR

AUDIO OUT

▼

Mixer

ANT B IN

LOGIC OUT

¼“ TS

AUDIO OUT

DATA

15

Date Revision

15.01.2012

Designer

Wolfgang Fritz

Project

2 channel WMS450/470 system

(RA4000 B/W – Antennas, no PS4000, PSU4000)

Ref.No.

1.0

MCS0802001

units description comment

2 18

Half-rack receiver with AC-Adapter; hand transmitter with D5 or C5 capsule, or pocket transmitter
with MKGL, or C544L or C555 L+ CK99 L, 2 UHF antennas; RMU 4000 rack mount kit, 1 AA
size battery, 1 stand adapter

2 66

External omni-directional active dipoleantenna with amplifier (2 req.)

6 54

Connecting cable for PS to SR 2.15ft (65cm)

2 55

66 ft. (20m) Cables for connecting ext. antennas to multi-couplers (2 req.) KOAX RG58

2 56

16.5 ft. (5m) Cables for connecting ext. antennas to multi-couplers (2 req.) KOAX RG58

2 10

Antenna Supply unit for long antenna cables (BNC connector) without AC-Adapter

4 4

12V AC-Adapter for 1 ASU4000, AB4000, HUB4000Q or SR4500.

2 88

passive power combiner (2in 1out) or Splitter (1in 2out)

2

BNC I-connector

EXTERNAL !! Not available at AKG - BNC I-Connector
(you can buy it at www.rs-components.com, Ordernumber 112-1798)

units description comment

1 35

Charging unit for WMS 400 transmitters, AC adapters included

2 Channel WMS450/470 System with omni-directional antennas, no PSU4000, no PS4000

Optional Components

RA4000 B/W

MK PS

MKA 20

CU 400 EU/US/UK

ASU4000 (BNC)

AC12 500mA EU/US/UK

ZAPD21

MKA 5

WMS450/470 Set

16

WMS450/470

01 / 2012