Bogen WMA-80 Manuel du propriétaire

BOGEN

COMMUNICATIONS,

INC.

WALL

MOUNT

MODULAR

AMPLIFIERS

WMA-80

WMA-160

INSTALLATION

AND

OPERATION

INSTRUCTIONS

The

Bogen

WMA-80*

and

WMA-160

are

professional

quality

wall-mounting

amplifiers

suited

for

use

gymnasiums,

auditori¬

ums,

and

banquet

rooms

where

inconspicuous,

permanent

mount¬

ing

desired.

Both

models

combine

modular

flexibility

with

power

MOSFET

performance

and

are

available

flush-mount

sur¬

face-mount

configurations.

locking

panel

the

front

cover

secures

the

unit

when

not

use,

and

designed

that

cannot

removed

without

access

the

area

behind

the

panel.

The

WMA-80

and

WMA-160

arc

ralcd

ami

160

walls,

respectively.

Each

has

input

channels:

built-in

Lo-Z

mic¬

rophone

input

(with

3-pin

female

connector);

Hi-Z

Projector

input

(with

1/4"

connector);

and

six

module

ports.

The

ports

any

combination

the

Bogen

D-Series

plug-in

modules

define

the

function

each

channel.

Inputs

are

mixed

active

buss,

allowing

interaction

for

three

levels

priority

Modules

set

priority

level

are

muted

modules

set

priority

levels

Modules

set

priority

level

mute

modules

set

level

and

are

muted

modules

set

priority

level

obtain

the

best

control

over

room

acoustics,

the

WMA

Series

features

10-band

graphic

equalizer,

which

provides

±8dB

ISO

centers

125,200,315,

500,800,1.2k,

2k,

3.1k,

5k,

and

Hz.

Equalizer

slide

controls

are

located

behind

the

front

cover

prevent

tampering

after

installation

and

setup.

low-cut

filter

(-3dB

65Hz)

and

tone

control

bypass

switch

are

also

provided

and

are

located

the

module

port

cage.

Individual

level

controls

are

provided

for

each

channel.

Master

Volume

Control

sets

the

final

output

level.

bar-graph-

type

LED

output

meter

provides

output

level

indication.

Power

MOSFET

output

stages

and

protective

circuitry

provide

performance

and

reliability

and

eliminate

the

need

for

output

fuses

and

thermal

fuse

links.

built-in

compressor

circuit

protects

speakers/drivers

from

damage

limiting

the

output

the

pream¬

plifier

volt.

Each

amplifier

has

direct

4-ohm

output

for

use

professional

applications

plus

transformer-coupled

8-ohm

and

25V

and

70V

outputs.

The

amplifiers

operate

from

120

volt,

60Hz

source.

push-to-rescl

circuit

breaker

included.

UNPACKING

The

amplifier

was

carefully

checked

before

leaving

the

factory.

Inspect

the

shipping

container

and

components

for

evidence

improper

handling.

the

unit

has

been

damaged,

place

imme¬

diate

claim

with

the

dealer/distributor

from

whom

the

unit

was

purchased.

the

unit

was

shipped

directly

you,

notify

the

transportation

carrier

without

delay

and

file

claim.

INSTALLATION

CAUTION

These

installation

instructions

are

for

use

qualified

personnel

only.

avoid

elertrio

shook,

not

perform

any

installation

service

procedures

other

than

that

con¬

tained

the

Operating

Instructions

unless

you

are

qualified

so.

Refer

all

servicing

qualified

service

pzmmneL

BACK

BOX

INSTALLATION

surface-mount

flush-mount

cabinet

required

for

instal¬

lation.

the

instructions

page

this

manual

install

the

surface

mount

(BB-S)

flush-mount

(BB-F)

enclosure.

OUTPUT

CONNECTIONS,

LOW-CUT,

DEFEAT

The

amplifiers

provide

direct

output

4-ohms

and

trans¬

former-coupled

8-ohm,

25V

and

70V

taps

for

use

with

distributed

systems.

The

WMA-80

includes

25V

center-tapped

output.

When

using

transformer-coupled

taps,

sure

that

the

link

the

output

terminal

strip

connects

the

OUTPUT

TRANSFORMER

terminal

the

DIRECT

terminal.

Remove

the

link

when

using

the

direct

output

Low-Cut

filter

switch,

located

the

port

cage,

reduces

low-frequencies

when

using

transformer-coupled

outputs.

Set

the

switch

when

using

transformer-coupled

outputs,

and

OUT

when

using

the

direct

output.

The

Tone

Control

defeat

switch,

located

the

port

cage,

bypasses

the

amplifier’s

equalizer

filter

controls

for

flat

response.

Set

the

switch

enable

the

equalization

filters

and

OUT

bypass

the

filters.

MODULE

INSTALLATION

Before

installing

each

module,

the

instructions

page

this

manual

configure

for

the

desired

function

priority

level.

Set

the

HIGH-/LOW-CUT

filter

controls

and

GAIN

con¬

trols

modules

equipped

mid-rotation.

prevent

damage

the

modules

the

amplifier,

sure

that

the

amplifier

POWER

switch

the

OFF

position

before

installing

removing

modules.

install

modules,

align

the

top

and

bottom

edges

the

module

printed

circuit

board

the

slots

the

port,

and

slide

into

the

port

engage

the

edge

connectors.

Secure

the

module

with

two

screws.

ModiHes

set

priority

level

receive

(and

are

muted

by)

priority

signals

from

any

module

set

priority

level2

Modules

set

priority

level

send

priority

signals

mute

any

modules

set

priority

level

and

receive

priority

signals

from

any

module

set

priority

level

Modules

set

priority

level

send

priority

signals

mute

modules

set

priority

level

•WMA-80

listed.

Printed

Korsa

9008

94-5887-03

BACK

BOX

INSTALLATION

)

BB-8

INSTALLATION

INSTALL

Bfl-S

BACK

BOX

WALL

MAKING

SURE

THAT

THE

BOX

SQUARELY

MOUNTED.

ALLOW

FREE

ACCESS

ABOVE

BOX

FOR

WIRING

AND

ABOVE

BELOW

BOX

FOR

AUDIO

WIRING.

HAVE

POWER

WIRING

RUN

NEAR

UPPER

RIGHT

HAND

COB

HER

WMCRE

BOX

WILL

MOUNTED.

SECURE

BOX

WALL

WITH

SCREWS

THROUGH

BACK

HOLE8

SCREWS).

<A2)

BB-F

INSTALLATION

PREPARE

MOUNTING

HOLE

FOR

BB-F

BACK

BOX.

HOLE

8IZE

SHOULD

24-13/1671

MINIMUM

OPENING

WITH

STUDS

MOUNTING

SURFACES

EACH

SIDE.

HAVE

POWER

WIRING

RUN

NEAR

UPPER

RIGHT

HAND

CORNER

WHERE

BOX

WILL

MOUNTED.

INSTALL

BB-F

BACK

BOX

WALL

MAKING

SURE

THAT

THE

BOX

SQUARELY

MOUNTED

AND

THE

FRONT

SURFACE

FLUSH

WITH

THE

FMUSHED

WALL.

USE

SHIMS

NECESSARY.

ALLOW

FREE

ACCESS

ABOVE

BOX

FOR

WIRING

AND

ABOVE

BELOW

BOX

FOR

AUDIO

WIRING.

SECURF

RAX

WALL

WITH

SCREWS

THROUGH

SIDE

SLOTS

SCREWS).

5-WITH

BOX

POSITIONED,

INSTALL

ADDITIONAL

SCREWS

HOLES

04-OT3.

BB-F

<B)

JUNCTION

BOX

WIRING

SUPPLY

POWER

UNIT

THROUGH

CONDUIT,

ROMEX

ACCORDANCE

WITH

LOCAL

ELECTRICAL

COOES

SNAP

RECEPTACLE

INTO

JUNCTION

BOX

(GNO

DOWN)

AND

CONNECT

WIRES

SHOWN

USING

WIRE

NUT8.

8B-F;

IN8TALL

JUNCTION

BOX

BB-F

AND

SECURE

WITH

#«X3/8

SCREWS.

BBS:

INSTALL

JUNCTION

BOX

88-S

AND

accuse

with

a/e

screws

ano

KEP8NUTS.

<C)

PREPARATIONS

BEFORE

IN8TAUJNO

PURER

RUN

ALL

AUDIO

LEADS

INTO

WALL

BOX.

THE

PREFERRED

ARRANGEMENT

FOR

OUT¬

PUT

LEADS

ENTER

THROUGH

THE

TOP

AND

INPUT

LEADS

ENTER

THROUGH

THE

BOTTOM.

USE

KNOCKOUTS

NECES¬

SARY.

MAKE

SURE

WIRES

NOT

REST

AGAINST

SHARP

EDGES

BOX

INSTALL

HINGES

(PACKED

WITH

AMPLIFIER)

USING

3/8

SCREWS.

NOT

INSTALL

Uirw

RTRFWQ

OWED

UIUOF

(USED

FOR

GROUND

STRAP

CONNECTION

SEE

*D2*).

CHECK

SEE

THAT

POWER

AVAIL¬

ABLE

THE

OUTLET.

FRONT

PANEL

MOUNTING

MOUNT

FRONT

PANEL

(BUT

NOT

TIGHTEN)

WITH

#8-32

3/8

SCREWS

TOP

AND

BOTTOM

PANEL

INSTALL

3/8

SCREWS

INSIDE

UP8

DOOR

OPENING,

THEN

TIGHTEN

ALL

MOUNTING

SCREWS.

NOT

OVEn-

TIGHTEN

U-CLIP

WILL

STRIP.

CHECK

SEE

THAT

DOOR

OPENS

AND

CLOSE8

CORRECTLY.

<D>

AMPUFIER

INSTALLATION

MOUNT

AMPLIFIER

BACK

BOX

ALIGN¬

ING

HINGE

PINS

AND

LOWERING

INTO

PLACE.

CONNECT

GROUND

STRAP

INSERTING

MIDDLE

HINGE

SCREWS

THROUGH

LUGS

GROUND

STRAP

SHOWN

ILLUSTRA¬

TION.

ROUND

STRAP

MUST

(NETAUXO

MEET

REQUIREMENTS.

MAKE

NECESSARY

INPUT

AND

OUTPUT

CON¬

NECTIONS

(CARE

SHOULO

TAKEN

KEEP

INPUT

AND

OUTPUT

LEADS

SEPARATED

MUCH

POSSIBLE).

A.WITMPuWEKSWIien

IUHNEDOFF,

PLUS

CORD

INTO

SIDE

OUTLET

JUNCTION

BOX

TURN

AMPUFIER

AND

CHECK

CONNEC¬

TIONS.

SECURE

AMPUFIER

ILBING

4AJW

1/9

SCREWS.

MODULE

SETUP

(FOR

QUALIFIED

SERVICE

PERSONNEL

ONLY)

Sound

Reinforcement

Modules

MM-F

MM-S

Low-impedance,

transformer-balanced

microphone

preampli¬

fier

module

with

HIGH-/LOW-CUT

filters,

GAIN

control

(25dB

range),

phantom

power.

MM-F

has

3-pin

female

connector;

MM-S

has

screw

terminals

(Terminal

GND,

LO,

and

all

modules).

Phantom

Power:

Move

PHANTOM

P.S.

jumper

the

position

for

22V

phantom

supply.

Select

OFF

position

bypass.

Microphone

Pacing

Module

MP-S

Signal-activatea

low-impedance,

transformer-balanced

micro¬

phone

preamplifier

module

with

HIGH-/LOW-CUT

filters,

GAIN

control

(25dB

range).

Automatic

Level

Control

((kLC),

three

levels

priority

and

phantom

power

are

jumper

selected.

Screw

terminal

connectors.

Phantom

Power:

Move

PH.

P.S.

jumper

position

for

+22V

phantom

supply.

Place

jumper

either

header

bypass.

ALC.

Move

ALC

jumper

pusltiun;

muve

OFF

bypass.

Muting

Priority

(using

PRIORITY

ASSIGN

jumpers):

Level

—

Place

one

jumper

the

"1"

position

and

store

the

unused

jumper

empty

pin.

Level

—

Place

both

jumpers

the

"2"

position.

Level

—

Place

one

jumper

the

"3"

position

and

store

the

unused

jumper

empty

pin.

Telephone

Paging

—

Module

TP-S

Signal-activated

telephone

paging

module

provides

600-ohm

balanced

input

with

-24dBm

sensitivity

for

matching

telephone

page

lines.

Includes

IIIGH-/LOW-CUT

filters

and

GAIN

control

(25dB

range).

Automatic

Level

Control

(ALC)

and

three

levels

priority

are

jumper-selected.

Screw

terminal

connectors.

ALC:

Move

the

ALC

jumper

position

enable

ALC;

move

OFF

position

bypass.

Muting

Priority

(using

PRIORITYASSIGN

jumpers):

Level

—

Place

one

jumper

the

"1"

position

and

store

the

unused

jumper

empty

pin.

Level

—

Place

both

jumpers

the

"2"

position.

Level

—

Place

one

jumper

the

"3"

position

and

store

the

unused

jumper

empty

pin.

Auxiliary

Input

—

Module

BL-5

Transformer-balanced

auxiliary

input

module

suitable

for

line¬

bridging

line-matching.

Use

the

printed

circuit

board

jumper

select

either

600-ohm

input

10-kitohm

input.

Screw

terminal

connectors.

Line

Output

Module

LO-S

Module

provides

jumper-selected

600-ohm

transformer-bal¬

anced

(

4dBm)

output

0.5-watt

direct

output

ohms.

May

used

for

line

output

from

the

D-Series

mixing

buss

for

music-on-hold

applications.

Parallel

RCA

jades

permit

one

music

source

used

for

M.O.H.

and

background

music.

jumper-

selected

pad

provides

20dB

attenuation

the

signal

from

the

music

source.

LEVEL

control

sets

the

module

output

level.

Output

Selection:

Select

DIRECT

XFMR-coupled

output

placing

jumper

the

appropriate

position.

(When

using

the

direct

output,

connect

the

8-ohm

load

between

screw

ter¬

minals

and

#3.

When

using

transformer

output,

terminal

GND,

LO,

and

HI.)

Place

jumper

L.O.

position

for

line

output

M.O.H.

position

for

music-on-hold

applications.

Connect

the

music

source

the

MUSIC

(RCA)

jack;

the

MUSIC

OUT

jack

paralleled

allow

same

signal

source

used

for

back¬

ground

music.

Attenuator

Pad:

Place

jumper

the

20dB

position

at¬

tenuate

the

signal

connected

the

MUSIC

jack.

Bypass

the

pad

plating

the

jumper

the

OdB

position.

Tone

Signal

Generation

—

Module

TG-S

The

module

generates

four

distinct

tones:

CHIME,

STEADY,

ALARM,

and

BURST.

May

assigned

any

three

levels

priority.

Requires

customer-supplied

contact

closure

between

the

desired

Tone

and

ENABLE

screw

terminal

connectors.

Muting

Priority

(using

PRIORITY

ASSIGN

jumpers):

Level

—

Place

one

jumper

the

"1"

position

and

store

the

unused

jumper

empty

pin.

Level

—

Place

both

jumpers

the

"2"

position.

Level

—

Place

one

jumper

the

"3"

position

and

store

the

unused

jumper

empty

pin.

Remote

Control/Compression

Module

vc-c

Dual-function

(jumper-selected)

compressor/remote

volume

control

module.

The

compressor

limits

the

power

amplifier

input

signal

volt

prevent

overdrive.

The

DC-operated

full

range

volume

control

allows

any

output

setting

the

maximum

preset

level

the

MASTER

control

the

D-Series

unit.

Compression:

Set

the

PRE/AMP

LINK

switch

the

D-Series

unit

OUT

position.

Connect

the

PREAMP

OUT

jack

the

D-Series

unit

the

VC-C

connector.

Connect

the

VC-C

OUT

jade

the

AMP

connector

the

D-Series

unit.

Place

jumper

the

position

enable

the

compression

func¬

tion;

move

the

OUT

position

bypass.

Remote

Volume

Control:

Connect

accessory

RVC-D

ter¬

minals

and

#3.

Reception

Module

FM-T

tuner

module

designed

preset

background

music

source.

Screwdriver-adjusted

tuning.

The

output

jumper-se¬

lected

the

mixing

bus

the

D-Series

unit

the

module’s

RCA-type

connector.

May

configured

priority

signals

from

other

modules.

Monaural

operation.

Screw

terminals

for

antenna.

Output:

Place

jumper

OUT

position

assign

tuner

output

the

module's

RCA

connector.

Place

jumper

MIX

DUS

position

assign

module’s

output

the

D-Series

mixing

buss.

Mute:

Place

jumper

the

position

mute

FM-T

with

any

level

priority

signal.

Place

OFF

position

prevent

muting

from

priority

signals.

MIC/Line

Remote

Control

Module

MR-S

Low-impedance

transformer-coupled

MIC

preamp,

line-

level

module

with

HIGH-/IjOW-CUT

filters,

GAIN

control

(25dB

range),

phantom

power.

Full-range

DC-operated

full-range

RVC

allows

any

output

setting

maximum

preset

amplifier

channel

control.

Screw

terminal

connectors.

Input:

Set

Jumper

MIC

position

for

microphone

input.

Set

LINE

position

for

line

level

input.

Phantom

Power

Move

jumper

position

for

+22V

phantom

supply.

Select

OFF

position

bypass.

Mute:

Place

jumper

the

position

mute

MR-S

with

any

level

priority

signal.

Place

OFF

position

prevent

muting

from

priority

signals.

RVC:

Connect

accessory

RVC-D

terminals

and

#4.

PHYSICAL

FEATURES

FRONT

CHASSIS

CONTROLS

AND

INDICATORS

(Refer

Figure

POWER

LED

LEVEL

INDICATORS

Bar-type

LED

meter

provides

graphic

display

the

output

level.

Illuminates

red

when

levels

above

OdB

are

reached,

indicate

possible

signal

clipping

CHANNEL

Individual

lovol

controls

for

modulo

input

channels

through

MASTER

Master

control

sets

overall

output

level

MIC

Level

control

for

fixed

microphone

input

channel

PROJECTOR

Level

control

for

the

fixed

projector

input

MIC

Professional

3-pln

female

connector

provides

Lo-Z

balanced

microphone

input

PROJECTOR

/4"

connector

provides

Hi-Z

projector

input.for

audio-visual

applications

FILTER

linear-action

filter

controls

provide

±8dB

ISO

centers

125,200,315,500,800,1.2k,

2k,

3.1k.

5k.

and

BREAKER

Press-to-Reset

circuit

breaker

protects

against

excessive

current

flow

REAR

CHASSIS

CONTROLS

AND

CONNECTORS

(Refer

Figure

OUTPUT

TERMINAL

STRIP

Screw-terminal

strip

for

connection

direct

and

transformer-coupled

outputs.

Remove

the

link

between

the

DIRECT

terminal

and

terminal

when

using

direct

output

LO-CUT

FILTER

SWITCH

IN:

Provides

-3dB

attenuation

65Hz,

6dB/octave

OUT:

Bypasses

Lo-Cut

filter

action

TONE

CONTROL

SWITCH

IN:

Enables

filter

controls

OUT:

Bypasses

filter

controls

for

flat

response

FIGURE

(WMA-80

shown)

OPERATION

POWER

The

front-panel-mounted

rocker

switch

applies

power

the

amplifier

and

illuminates

when

power

applied.

EQUALIZATION

Equalizer

filter

controls

are

accessible

removing

the

front

cover

(WMA-D).

The

equalizer

provides

±8dB

ISO

centers

125,

20ft,

500,

800,

1.2k,

2k,

3.1k,

5k,

and

8kHz.

Response

flat

the

center

detent

position.

CAUTION

Removal

the

front

cover

presents

cut

electrical

shock

hazard.

For

this

reason,

adjustment

equalizer

filter

slide

controls

should

performed

qtmGfied

service

personnel

only.

LEVEL

CONTROLS

The

level

each

channel

controlled

individual

CHAN¬

NEL

control.

The

overall

output

level

controlled

the

MASTER

control.

The

T.ED

output

metftr

will

begin

illuminate

red

the

amplifier

reaches

full

output

power.

constantly

lit

red

LED

indicates

possible

signal

clipping.

CIRCUIT

BREAKER

the

circuit

breaker

trips,

the

power

switch

pilot

lamp

will

out

and

there

will

output.

Place

the

POWER

switch

the

OFF

position

and

reset

the

breaker

inserting

screwdriver

into

the

hole

the

front

panel

and

depressing

the

reset

switch.

Once

the

breaker

has

been

reset,

return

the

POWER

switch

ON.

the

breaker

trips

again,

the

difficulty

must

investigated

qualified

service

technician.

THERMAL

BREAKER

The

thermal

breaker

opens

when

the

temperature

the

output

transistor

heat

sink

reaches

105°C

(220°F).

the

breaker

opens,

there

will

output

but

the

power

switch

pilot

lamp

will

remain

illuminated.

Wait

approximately

two

minutes

for

the

breaker

reset.

the

breaker

resets

and

then

opens

again,

arrange

for

qualified

service

personnel

investigate

the

cause

the

tem¬

perature

overload.

This

may

due

improper

load

connections

excessive

environmental

heat

(ambient

air

temperature

above

40°C)

with

inadequate

ventilation.

SERVICE

CAUTION

Then?

are

user-semiceabh

parts

within

the

unit.

Refer

all

servicing

qtmlified

service

personnel

you

experience

difficulty

with

this

unit,

not

hesitate

ask

uur

advice

assistance.

Information

can

obtained

willing

Service

Department,

Bogen

Communications,

Inc.,

P.O.

Box

575,

Ramsey

07446.

Include

the

model

number

and

series

designa¬

tion

letter

followed

numbers,

stamped

the

amplifier

chassis)

your

unit.

Describe

the

difficulty

and

include

details

the

electrical

connection

associated

equipment.

will

send

you

service

information

the

trouble

appears

simple,

the

name

and

nddre.ee

the

nearest

authorized

Bogen

Service

agency

which

you

can

send

the

unit

for

repairs.

When

shipping

the

unit,

pack

carefully.

Send

the

unit,

insured

and

prepaid,

via

any

responsible

carrier.

The

unit

will

promptly

repaired

and

returned

collect

(freight

prepaid

while

warranty).

SPECIFICATIONS

Output

Power

Rating

WMA-80:

WMA-160:

Watts

4-ohms,

8-ohms/25V

(WMA-80),

25V

and

70V

160

Watts

4-ohms,

8-ohms,

25V

and

70V

Frequency

Response

20Hz

20kHz,

+0,-2dB

Distortion

Direct:

0.3%

(max.)

Transformer:

0.3%

(max.)

input

sensitivity/impedance

Module

Channels:

100mV/10-kilohms

Projector

Input:

IOOmV/10-kilohms

Mic.

Input:

.'Wty

V/300-oh

Equalization

±8dB

ISO

centers

125,

200,

315,

500,

800,1.2k,

2k,

3.1k,

5k,

and

8kHz

Hum

Noise

-75dB

better

Inputs

Low-Z

balanced

microphone,

Hi-Z

Projector,

input

module

ports

Lu-Cut

niter

-3dB

63Hz,

wu/octave

Outputs

Direct

4-ohms;

Transformer

8-ohms,

25V,

25VCT

(WMA-80),

70V

Controls

Level

controls

for

channels

MIC,

PROJECTOR;

MASTER

Volume;

Equalizer

filter

slide

controls:

Illuminated

POWFR

switch;

LO-CUT

filter

switch;

TONE

IN/OUT

switch;

Push-to-Reset

circuit

breaker

Dimensions

BB-F

Flush-mount

Box:

BB-S

Surfaco

mount

Box:

WMA-D

Front

Cover:

24-3/4"H

14-1/4"W

3-7/8‘D

(62.8x36.2x9.8cm)

26-3/4*H

16-1/4-W

3-7/Q"D

(67.9x41.3x9.8cm)

26-3/4'H

16-1

/4"W

3/4"D

(67.9x41.3x1.9cm)

Power

Required

120V,

60Hz

COMMUNICATIONS,

INC-

SPRING

STREET.

P,0.

Bo«

575

RAMSEY.

07446

(201)

934-8500

Ce manuel convient aux modèles suivants

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