AKG WMS 450 - SERVICE Bedienungsanleitung

Wolfgang Fritz 01/2012

WMS450/470 MULTICHANNEL SETUP GUIDE

SCHEMATIC & PART LIST 1-16 CHANNEL

Introduction

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.

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 [email protected].

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.

WMS450/470

01 / 2012

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

Channel

SRA2 B/W

Channel

RA4000 B/W

SRA2 B/W

RA4000 B/W

SRA2 B/W

RA4000 B/W

Channel no PS4000W

Channel

Channel no PSU4000

RA4000 B/W

SRA2 B/W

Channel no PSU4000

SRA2 B/W

Channel no PSU4000

RA4000 B/W

SRA2 B/W

RA4000 B/W

SRA2 B/W

Channel no PSU4000

RA4000 B/W

Channel no PSU4000

Channel

Channel no PSU4000

SRA2 B/W

Channel no PSU4000

RA4000 B/W

Channel

SRA2 B/W

RA4000 B/W

SRA2 B/W

RA4000 B/W

Channel no PSU4000

SRA2 B/W

RA4000 B/W

Channel

Schematic / Part List

WMS450/470

01 / 2012

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

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

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.

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.

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

Rear View

4x Antenna A output

(DC power)

Antenna A input Ant. B

Antenna A cascade output

(DC power)

dip switches behind AKG Logo

Signal level adjustment

Attenuation

PS4000W –Power Splitter

AB4000 –Antenna Booster Signal level adjustment

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

WMS450/470

01 / 2012

3x MKA 20

60m / 198ft

Antenna Booster

AB4000

necessary !

4x MKA 20

80m / 264ft

Antenna Booster

AB4000

necessary !

MKA 5

5m / 16ft

MKA 20

20m / 66ft

MKA 5 + MKA 20

25m / 82ft

2x MKA 20

40m / 132ft

Cable type

Length

MKPS

0.65m / 2ft

PS4000 W dip switch matrix (RG58 cable)

RA4000 W SRA2 W RA4000 BW SRA2 BW

Passiv Antennas Active Antennas

Antenna type

Gain

0 dB

0 dB 0 dB -4 dB

0 dB -2 dB

-8 dB -12 dB

-6 dB -10 dB

0 dB

0 dB -2 dB

RA4000 BW

2x MKA 20

AB4000

0 dB

PS4000

-4 dB

1x MKA 20

SRA2 BW

2x MKA 20

AB4000

0 dB

PS4000

-8 dB

1x MKA 20

RA4000 BW

2x MKA 20

AB4000

0 dB

PS4000

0 dB

2x MKA 20

SRA2 BW

2x MKA 20

AB4000

0 dB

PS4000

0 dB

2x MKA 20

1 dB 4-6 dB 17 dB 21.5 dB

¼ wave

UHF Antenna

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

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 0120 5 0 0 6 1 1

52 13 0128 5 0 0 7 2 1

WMS

Receiver

Power Supplies

PC Monitoring with

System Architect

Antenna Components

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

Glossar

SR450/470 –WMS450 or WMS470 Stationary Receiver

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

●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 –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

MKPS –0.65m/2 feet RG58 antenna cable

MKA20 –20/66ft RG58 antenna cable

ASU4000 –Antenna Supply Unit

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

0110E01890 –Front mount cable

●Install ¼ wave antennas at the front of the rack

AB4000 –Antenna Booster

●3.5 dB –17.5 dB amplifier

Front mount cable & ¼ wave antenna

Cable

MKA5 –5m/16ft RG58 antenna cable

ANT A IN ANT B IN

DC IN (12V/0.5A)

PS4000W

CASCADE A

CASCADE B

DC OUT 1 (2.5A)

AC POWER

PSU4000

DC OUT 2 (2A)

DC OUT 3 (2A)

~90-230V

SRA2 B/W

ANT OUT

RA4000 B/W

ANT OUT

ZAPD-21

ASU4000

ANT OUT

ANT IN

DC IN (12V/0.5A)

AB4000

ANT OUT

ANT IN

WMS450/470

01 / 2012

SR450/470

XLR

AUDIO OUT

ANT A IN

DC IN (12V/0.5A)

¼“ TS

AUDIO OUT

ANT B IN

▼

Mixer

DATA

LOGIC OUT

CU400

DC IN (5V/1.4A)

2 HT450/470 or PT450/470 charging system

(optional)

Project

Designer

Date Revision

1 channel WMS450/470 system

(SRA2 B/W –Antennas)

Wolfgang Fritz

15.01.2012 1.0

Ref.No. MCS0802001

1 Channel WMS450/470 System

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

AC12 Power Supply (500mA)

ASU4000

ANT OUT

ANT IN

DC IN (12V/0.5A)

AC12 Power Supply (500mA) ASU4000

ANT OUT

ANT IN

DC IN (12V/0.5A)

AC12 Power Supply (500mA)

2xMKPS

BNC I-connector

Available e.g. www.rs-components.com,

Ordernumber 112-1798

BNC I-connector

Available e.g. www.rs-components.com,

Ordernumber 112-1798

2x MKA20

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

2x MKA20

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

SRA2 B/W

ANT OUT

SRA2 B/W

ANT OUT

SR450/470

XLR

AUDIO OUT

ANT A IN

DC IN (12V/0.5A)

¼“ TS

AUDIO OUT

ANT B IN

▼

Mixer

DATA

LOGIC OUT

5V Power Supply (1.4 A)

CU400

DC IN (5V/1.4A)

units description comment

118

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

272

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

254

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

455

66 ft. (20m) Cables for connecting ext. antennas to multi-couplers (2 req.) KOAXRG58

210

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

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

2BNC 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

135

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

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