Panasonic Ramsa WS-A240 User manual

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SUBWOOFER

SYSTEM

WS-A240

(Subwoofer)

WS-SP2A

(Subwoofer

Processor)

I

WS-SpPA

|

i

Ng

Panasonic.

Instructions

Please

read

these

insiructons

completely

before

operating

is

equipment.

WS-AZ40

RP

PPS

The

RAMSA

Subwoofer

System

consists

af

the

mode

W5-

The

WS-4240

enclosure

is

maed

from

a

resin

that

is

A240

Subwoofer

and

the

model

WS-SP24

Subwoofer

virtually

indestructable

and

incorporates

a

recessed

handle,

Processor.

interlocking

stacking

ribs

and

internal

mounting

hardware

for

convenient

transport

and

installation.

&

metal

grill

cover

The

WS-4240

is

a

bass-reflex

type

loudspeaker

system

in

provides

protection

for

the

driver

component.

corporating

a

12"

(30-cm)

driver

unit,

It

is

designed

to

be

used

as

a

madular

subwoofer

component

along

with

the

The

WS-SP2A

is

designed

specifically

for

use

with

the

W3-

WS-SP24

subwoofer

processor,

which

includes

signal

A240

loudspeaker

system

in

VLF

(subwoofer)

applications.

processing

far

subwoofers

and

the

main

loudspeakers.

Two

balanced

inputs

and

four

unbalanced

outputs

are

provided

Output

channels

A

and

B

include

three

selecta

WS-A240

subwoofers

are

small

in

size

for

their

output

capa-

ble

signal

processing

modes

for

use

with

different

main

bility,

and

may

be

combined

in

compact

arrays

to

take

max-

loudspeaker

units.

imum

advantage

of

mutual

coupling

effects

far

high

autput

applications.

The

compact

dimensions

of

the

WS-4240

al-

The

subwoofer

output

is

derived

from

an

isolated

sum

of

low

it

to

be

unobtrusively

installed

in

virtually

any

en-

the

A

and

E

inputs,

and

includes

a

high

pass

filter,

signal

vironment,

processing

far

the

WS-A240

and

selectable

low

pass

filters

with

240B

per

octave

Bessel

response

for

each

of

three

The

WS-A240

will

accept

a

continuous

program

input

of

different

main

loudspeaker

types.

The VLF

(subwoofer)

AQOW.

The

WS-SPZA

provides

high-pass

protection

from

output

includes

à

fixed

gain

stage

to

optimize

sensitivity

infrasonie

frequencies,

very

low

frequency

(WLF)

signal

in

the

WLF

range.

The

WS-SP24

Subwoofer

Processor

also

nrocessing,

and

a

choice

af

three

different

signal

process-

provides

a

full-range

summed

output,

which

may

be

used

ing

functions

for

two

channels

of

main

loudspeaker

ta

drive

distributed

system

power

amplitiers.

systems.

NAMES

OF

COMPONENTS:

anse

e

ERR

ano

Ki

ta

ae

HAM

Te

ua

DeL

M

MUGA

Cru

RD

s

lisse

paoi

2

LOUDSPEAKER

INSTALLATION.

nope

baas

an

eaaa

US

janna

bé

cup

eae

Rav

Eh

x

bt

RS

tan

EN

agi

Nga

gawaa

3

BEFORE

CONNECTION

i

sh

nec

ais

anaa

eoa

hore

tx

code

mea

Merk

cete

b

COREL

DEO

ERE

aaa

EN

3

POWER

HANDLING

CAPACITY

sin

sens

UA

E

AEn

rn

eeu

one

niv

iria

ees

3

CONNECTION:

OF

SPEAKER

CABLES

aus

eu

Ven

raura

ao

aT Ya

Tao

Re

uS

SEV

e

i

vd de

Faktor

eau

aana

4

USE

OF

XLR

CONNECTORS

assiste

ga

nego

vance

a

na

aana

drap

op

aa

yea

aka

gena

deve

idees

ote

a

EE

AN

Na

5

BLOCK:

DIAGRAM

(WS-SP2A}

-o.i

reser

sasinan

ee

None

AR

n

Fab

vex

Ug

rers

danawa

nas

anenun

anangga

aaa

EUR

V

RAE

YS

ent

6

TYPICAL

SYSTEM

PERFORMANCE

decoration

6

RACK

MOUNTING

BRACKETS

«rers

et

8992

anana

aneh

n

E

diame

dI

Ead

NENGA

Eni

nan

degag

a

kana

aga

np

ain

7

TYPICAL

APPLICATIONS...

eerte

nn

coe

bn

Ree

GEN

cux

BETA

NONG

bx

Ha

Sae

kaen

aa

KA

Fa

a

aga

OR

Ee

Kl

d

ke

7

SPECIFICATIONS

(WS-A240,

WS-SP2A)

..............

eese

seien

eene

nne

sanan

nnne

ene

nns

aas

on

baa

astra

enaa

10

INFORMATION

FOR

QUALIFIED

SERVICE

PERSONNEL

ss

11

RECOMMENDED

FUNCTION

SELECTOR

SETTING

ss

12

MIXER

AND

SPEAKER

LIMITED

WARRANTY

................

eee

nne

ee

enne

netta

root

aano

no

nah

aa

noon

nonna

us

13

APPEARANCE

CAUTION

RISK

OF

ELECTRIC

SHOCK

OO

NOT

OPEN

CAUTION:

TO

REDUCE

THE

RISK

OF

ELEC.

TRIC

SHOCK,

DO

NOT

REMOVE

COVER

(OR

BACK)

NO

USER-

SERVICEABLE

PARTS

INSIDE.

REFER

SERVICING

TO

QUALI-

FIED

SERVICE

PERSONNEL.

The

lightning

flash

with

arrowhead

symbol,

within

an

equilateral

tri-

angle,

is

intended

to

alert

the

user

to

the

presence

of

uninsulated

"dan-

gerous

voltage"

within

the

product's

SA

1965

enclosure

that

may

be

of

sufficient

magnitude

to

constitute

a

risk

of

electric

shock

to

persons.

The

seríal

number

of

this

product

may

be

found

on

the

bottom

of

the

unit.

You

should

note

the

seria!

number

of

this

unit

in

the

space

provided

and

retain

this

book

as

a

permanent

record

of

your

purchase

to

aid

identification

in

the

event

of

theft.

The

exclamation

point

within

an

equilateral

triangle

is

intended

to

alert

the

user

to

the

presence

of

important

operating

and

mainte-

Serial

No.

nance

(servicing)

instructions

in

the

SA

1966

literature

accompanying

the

appli-

ance.

Model

No.

WARNING:

TO

PREVENT

FIRE

OR

SHOCK

HAZARD,

DO

NOT

EXPOSE

THIS

APPLIANCE

TO

RAIN

OR

MOISTURE.

X

NAMES

OF

COMPONENTS

*

WS-A240

(D

Threaded

mounting

holes

M8

x

19

mm

(2)

Ports

(8

Punched

grille

-

(4)

Speaker

12"

(30

cm!

e

WS-SP2A

Power

ON

indicator

lamp

(D

Power

switch

[POWER]

©

©

©

Input

connector

[INPUT

A,

B]

+4

dB,

20kQ

balanced

XLR-type

Output

phone

jack

[OUT

A]

+4

dB,

6000

unbalanced

Output

phone

jack

[OUT

B]

+4

dB,

6000

unbalanced

Output

phone

jack

[VLF

OUT]

+4

dB,

600€

unbalanced

Output

phone

jack

|A

+B

OUT]

+4

dB,

6000

unbalanced

Power

cable

oc

8

©

©

©

Ground

Terminal

[GND|

LOUDSPEAKER

INSTALLATION

The

WS-A240

is

equipped

with

six

M8

x

25

threaded

in-

serts

that

are

molded

into

the

enclosure.

All

attachments

to

the

enclosure

should

use

these

fittings.

For

stand

mount-

ing,

two

thumbscrews

are

provided

with

the

WS-A240,

which

should

be

handtightened

only.

For

suspended

appli-

cations,

forged

shoulder

eye-bolts

are

recommended.

DO

NOT

substitute

any

other

fitting

for

these

critical

load-

bearing

components.

Thumbscrew

Forged

eye-bolt

RAMSA

Part

No.

XVPBF25FZ

When

mounting

WS-A240

loudspeakers

to

a

wall

or

ceil-

ing.

either

by

hanging

or

with

brackets,

they

should

be

se-

curely

attached

to

the

building

structure.

This

requires

knowledge

of

building

construction

and

load-bearing

capac-

ities.

If

this

information

is

unknown,

installers

should

seek

the

advice

of

an

architect

or

structural

engineer

before

at-

tempting

such

attachments.

The

loudspeaker

systems

can

be

mounted

vertically

or

horizontally.

When

mounting

horizontally,

remove

the

four

screws

fitting

the

front

grill,

rotate

the

grill

90

degrees

and

re-install.

Do

not

operate

the

WS-A240

without

the

protec-

tive

grill

in

place.

When

multiple

WS-A240s

are

to

be

installed,

best

perfor-

mance

will

be

realized

when

units

are

mounted

in

close

prox-

imity

to

one

another.

Because

high

sound

levels

at

low

frequencies

will

be

realized,

special

care

should

be

observed

to

assure

that

structural

resonances

and

vibrations

do

not

impair

the

sound

quality.

BEFORE

CONNECTION

Switch

off

power

amplifier{s}

before

connecting

the

loud-

speaker(s}.

After

loudspeaker

connection,

be

certain

that

high

level

audio

signals

are

not

present

before

switching

the

amplifiers

on.

The

nominal

impedance

of

the

WS-A240

is

8

ohms.

Two

loudspeakers

in

parallel

will

have

a

nominal

impedance

of

4

ohms,

which

is

the

lowest

impedance

most

amplifiers

are

capable

of

driving.

Be

certain

that

the

number

of

loudspeak-

ers

connected

in

parallel

does

not

result

in

a

load

impedance

that

is

below

the

rating

of

the

amplifier.

Use

the

largest

wire

gauge

speaker

cable

that

is

practical

to

minimize

DC

resistance

and

losses

due

to

cable

length.

Note

that

the

lower

the

impedance

of

the

total

speaker

load,

the

greater

the

losses

in

the

wire.

Observe

loudspeaker

polarity.

The

ptus

|

+}

and

minus

|-]

terminals

of

each

loudspeaker

are

marked

red

and

black,

respectively.

A

positive-going

signal

applied

to

the

red

ter-

minal

will

result

in

forward

movement

of

the

loudspeaker

diaphragm.

When

two

or

more

speakers

are

used,

make

sure

that

the

polarities

of

these

speakers

are

the

same.

a

ama

a

a

aaa

POWER

HANDLING

CAPACITY

The

rated

power

capacity

of

the

WS-A240

is

400

watts

in

accordance

with

the

test

procedure

outlined

in

EIA

(Elec-

tronic

Industries

Association)

RS-426-A.

This

test

method

employs

white

noise

through

RC

high

pass

and

low

pass

filters

to

simulate

the

energy-frequency

spectrum

of

typi-

cal

program

material.

It

is

an

excellent

indicator

of

the

ther-

mal

power

capacity

of

a

loudspeaker

system.

Because

the

WS-A240

is

a

subwoofer,

it

is

subject

to

mechanical

power

limitations,

especially

at

very

low

fre-

quencies.

The

WS-SP2A

Subwoofer

Processor

includes

à

high

pass

filter

that

protects

the

WS-A240

from

exces-

sive

mechanical

displacement

at

sub-audio

frequencies.

The

WS-SP2A

should

be

used

with

WS-A240s

at

all

times.

CAUTION:

Certain

signals

may

result

in

excessive

displacement

of

the

driver

diaphragm,

thereby

damaging

the

loudspeaker.

The

following

conditions

of

operation

should

be

avoided

at

all

times:

1.

Shock

noise

caused

by

energizing

or

de-energizing

mix-

ing

consoles

and

peripheral

equipment

when

the

WS-

SP2A

and

the

amplifiers

are

powered

up.

2.

Shock

noise

resulting

from

the

connection

or

discon-

nection

of

input/output

connectors

with

the

system

po-

wered

up.

3.

The

use

of

condenser

or

omnidirectional

microphones

for

vocal

applications

without

appropriate

breath-pop

screens

and/or

high

pass

filters.

4.

The

switching

on/off

of

phantom

microphone

power

with

level

controls

up.

5.

Continuous

operation

at

very

low

frequencies

from

an

oscillator,

synthesizer

or

other

program

source

when

doubling

distortion

is

evident

in

the

loudspeaker.

CONNECTION

OF

SPEAKER

CABLES

There

are

two

types

of

speaker

input

terminals

which

should

be

selected

according

to

applications.

(The

three

terminals

are

internally

connected

in

parallel.)

*

Use

of

push-terminals

NOTES:

*

The

cable

which

fits

in

the

hole

of

the

push-terminal,

should

have

a

diameter

not

larger

than

7/647

(2.6

mm).

To

ensure

proper

fit

to

the

terminal,

a

cable

diameter

From

amplifier

of

less

than

5/64"

(2

mm)

is

recommended.

output

terminals.

*

The

sheath

of

the

speaker

cable

should

not

be

inserted

into

the

terminal

hole.

e

When

the

speaker

cable

is

of

a

stranded

type,

the

core

conductor

should

be

twisted

before

inserting

it

into

the

terminal

hole.

Depress

the

push-terminal

and

insert

the

speaker

cable

from

the

ampltilier

into

the

ter-

minat

hole.

The

plus

(

+

}

side

is

marked

red

and

the

minus

(-

|

side

marked

black.

NOTES:

e

Connect

the

speaker

cable

to

a

tip-sleeve

(TS)

phone

plug,

then

connect

it

to

either

jack.

*

Use

of

phone

jacks

e

The

other

jack

is

then

used

when

installing

an

additional

speaker

in

parallel.

From

amplifier

output

terminals.

~N

TS

phone

plug

VM

Pa

rp

=

NN

{

||

wa

The

speaker

uses

a

TS

phone

|

plugs

as

an

input

terminal.

When

Plug

cover

i-}

(sleeve)

N

connecting,

make

sure

that

the

|

3

polarity

of

the

TS

phone

plug

|

t

matches

the

polarity

of

the

ampli-

i

*

Installation

of

additional

speakers

|

fier

output

terminals

(speaker

ter-

Speaker

cable

{+}

(tip)

|

|

minal)

as

shown

in

the

illustration.

l

Connect

the

speakers

in

parallel

as

shown

below.

NAN

I

NGANG

AE

ath

speed

ait

e

ee

a

HRS

J

When

two

speakers

are

connected

in

parallel,

the

combined

impedance

becomes

4

ohms.

In

this

case,

the

speakers

should

be

connected

to

an

amplifier

which

is

designed

to

drive

a

load

impedance

of

4

ohms

or

less.

From

amplifier

output

terminals.

NOTES:

+

When

three

or

more

speakers

are

connected

in

parallel,

the

combined

impedance

becomes

3

ohms

or

less

which

requires

a

special

type

of

amplifier.

Therefore,

do

not

use

more

than

two

speakers

for

parallel

con-

nection.

+

If

the

combined

impedance

of

the

speakers

is

lower

than

the

specified

impedance

on

the

amplifier

to

be

used,

the

sound

from

the

speakers

may

be

distorted

or

the

amplifier

may

be

damaged.

*

When

two

speakers

are

used

in

parallel,

make

sure

that

the

polarities

of

these

speakers

are

the

same.

From

amplifier

output

terminals,

USE

OF

XLR

CONNECTORS

This

speaker

may

be

fitted

with

an

XLR

connector

which

For

connection,

use

XLR

plug.

is

often

used

for

professional

applications.

(D

Remove

the

phone

jack

mounting

plate

and

pull

it

for-

ward.

Disconnect

the

wiring.

Phone

jack

mounting

plate

Male-type

Female-type

XLR

plug

XLR

plug

Binding

head

machine

screws

(+),

M3x8

Use

these

screws

for

mounting

the

XLR

connector,

From

amplifier

To

the

second

speaker

output

speaker

in

parallel

terminal

connection

sce

eee

m

ca

meam

EQ

ose

gana

aan

al

jai

a

a

st

i

ajang

a

hag

@

Solder

the

teads

that

were

disconnected

in

step

(D

as

shown

below

|

€p

on

pin

2,

©

on

pin

3),

mount

a

female-type

XLR

on

the

top

and

a

male-type

XLR

on

*

Disassembly

diagram

of

typical

Female

XLR

plug

"

Screw

the

bottom.

1

Bushing

1

Clamp

Q

<

4

^

,

Insert

set-screw

&

>

?

4

Xh

|

æ

MPertooth

washer

`

i

Latch,

Shell

^

Insulating

tube

—"

Black

(-)

ulating

tube

(No.3

pin)

rend

RPM

*

Disassembly

diagram

of

typical

Male

XLR

plug

(No.3

pin)

{No.2

pin)

Screw

4

Red

(+)

m

oda

1

|

Clamp

(No.2

pin)

4

=”

Insert

set-screw

"m

m

poc

ES

i

Shett

—^

CO

Insulating

tube

^

L'e

Female

Male

XLR XLR

(8

Secure

the

XLR

connectors

with

the

screws

which

were

|

!

||

||

l

l

||

|

|

[

!

||

I

I

|

i

i

!

|

||

l

I

|

I

]

l

|

[

l

|

|

|

|

i

[

1

|

i

'

s

|

removed

in

step

(D),

as

illustrated.

|

{

l

A

Insulator

—*

eee

—— ——

wee

eee

eee

Ae

de

demo

ee

oe

ee

ee

woe

7

Female-type

XLR

NOTE:

*

When

using

XLR

connectors,

observe

the

polarity

as

Male-type

ride

r^g

tapping

shown

below.

SLR

M3

x

16

Use

screws

removed

in

step

(1).

e

Se

ee

le

cu

uoc

mm

mem

mm

ee

A

Ka

en

oe

ee

ee

os

m

ee

€

eur

eus

re

a

WS-SP2A

BLOCK

DIAGRAM

High

Pass

Function

^

e

Wo

Processor

Selector

30

à

Zz

Input

À

M

VLF

o

Output

A

©

+

4

dB

6000

UNBAL

+4

dB

K

Low

Pass

20

kR

BAL

E

Processor

Processor

Function

"77-—

Selector

VLF

Output

TE

«4

dB

,

PENANG

6002

UNBAL

Pin

Connection

:

Pin

1

-

Gnd

:

Pin

2

-

Hot

:

1

3

i

F

Function

H

Pin

3

-

Cold

&

lector

2

8

v.

[«LET]

A

+

B

Output

*

4

dB

6000

UNBAL

High

Pass

Function

1

Vo

Processor

Setector

a

y

1

(Bi

fasanansan

Output

8

=

6062

UNBAL

input

8

*

4

dB

20

kf

BAL

TYPICAL

SYSTEM

PERFORMANCE

The

WS-SP2A

performs

both

bandpass

definition

and

sig-

nal

processing

within

the

bandpass.

The

frequency

response

chart

at

left

shows

typical

performance

of

one

WS-A240

under

half-space

conditions

using

the

WS-SP2A

Subwoofer

Processor

adjusted

for

signal

processing

mode

three.

The

input

signal

was

adjusted

for

a

nominal

2.83

volts

(1

watt

at

8

ohms)

at

80

Hz.

100

90

The

WS-A240

voice

coil

was

specifically

designed

to

han-

dle

high

current

at

low

frequencies,

resulting

in

a

thermal

power

capacity

of

400

watts

(EIA

RS-426-A).

The

mechan-

ical

suspension

components

have

been

carefully

selected

and

balanced

to

enable

an

unusually

large

(12

mm)

peak

dis-

placement

capability.

The

result

is

an

extremely

compact

subwoofer

system

of

exceptional

performance.

80

d8

Multiple

WS-A240s

may

be

combined

in

very

compact

ar-

rays

served

by

a

single

WS-SP2A

Subwoofer

Processor,

with

an

accompanying

increase

in

efficiency

and

exten-

sion

of

low

frequency

output

due

to

mutual

radiation

ef-

fects

(see

Typical

Applications).

70

60

Frequency

(Hz)

RACK

MOUNTING

BRACKETS

A.

1

Unit

Mounting

Bracket

fixing

screws

(accessory)

M4

x

8

1.

Remove

4

rubber

feet.

d

à

Fix

the

rack

mounting

brackets

A

and

B

{standard

accessory)

to

the

Subwoofer

processor

with

the

attached

screws.

3.

Mount

the

Subwoofer

processor

to

the

rack.

Bracket

A:

part

No.

A2SA1036A4

Bracket

B:

part

No.

A28A1037B3

Rack

manting

Bracket

A

|

Screws

e

(not

provided)

Rubber

feet

7

B.

2

Units

Mounting

(not

provided)

Remove

8

rubber

feet.

Fix

two

processors

with

bracket

C

and

screws.

Fix

the

rack

mounting

brackets

to

the

both

sides

of

the

processor

with

the

attached

screws.

Mount

the

processor

to

the

rack.

e

SN

Bracket

fixing

screws

{accessory}

M4

x

8

Mounting

screws

M4

x

8

(not

provided)

Flush

head

machine

screws

MA

x

B

Bracket

A:

part

No.

A2SA1036A4

Bracket

C:

part

No.

A2SA1038A4

Rubber

feet

F.

:

q^

VA

$

f

Z

Caution:

Don't

use

screws

longer

A.

|

Bracket

A

Nang

than

8

mm.

LOE

Z

~

Bracket

C

Rack

mounting

screws

$

L

not

provided)

inot

provided)

TYPICAL

APPLICATIONS

SYSTEM

A

Illustrated

are

two

WS-A10

Compact

Speaker

Systems

in

a

two

channel

configuration,

powered

by

one

WP-9055

am-

plifier.

The

single

WS-A240

Subwoofer

is

powered

by

one

WP-9110

amplifier

in

the

bridge

(BTL)

mode.

The

WS-

SP2A

Subwoofer

Processor

should

be

adjusted

(by

quali-

fied

service

personnel

only)

for

WS-A10/WS-A240

signal

processing.

A

Dut

B

Out

LE

Out

WP-9055

WS.SP2A

Subwoofer

Processor

Main

Out

L

WS-A240

Subwoofer

CS

RE

Sku

WP-9110

1BTL)

Main

Out

R

folie

WS-A200

1x2)

TH

tus

Kow

ER

EM

FETETIA

EET

xEX

ofe

ES

CGGOHBEBHE

I5:

ra

GÜ

Subwooter

Processor

SYSTEM

F

This

system

is

identical

to

System

E,

but

configured

with

two

WS-SP2A

Subwoofer

Processors

so

that

the

VLF

sig-

nals

are

a

separate

sub-mix

controlled

from

the

mixing

con-

sole.

This

affords

the

ability

to

selectively

introduce

signals

into

the

VLF

mix.

which

may

be

balanced

in

level

against

the

program

mix

for

special

effects.

Both

VLF

amplifiers

are

operated

in

the

dual

mono

mode.

A

variation

of

this

design

would

employ

both

processors

for

VLF

processing,

with

the

signal

derived

from

the

A

and

B

WS.A200

ix2!

WS-4240

Sub-

woofer

(x8)

SYSTEM

E

System

E

is

comprised

of

four

WS-A200

loudspeaker

sys-

tems

and

eight

WS-A240

subwoofers.

It

is

powered

by

three

WP-9220

amplifiers,

each

loaded

to

4

ohms

per

channel.

The

VLF

amplifiers

are

operated

in

the

dual

mono

mode.

The

WS-SP2A

should

be

set

(by

qualified

service

person-

nel)

for

WS-A200/WS-A240

signal

processing.

mix

channels

driving

part

of

the

VLF

amplifiers

and

loud-

speakers

in

a

fixed-gain

relationship

with

the

main

program

channels,

and

the

balance

of

the

subwoofers

controlled

by

a

separate

sub-mix

from

the

console.

The

additional

con-

nection

is

shown

in

gray.

In

this

example,

(2)

WS-A240s

are

operated

from

the

A

and

B

mix,

and

their

amplifier

in-

put

mode

switch

is

in

the

dual-channel

position.

An

option-

al

VLF

signal

processing

device,

such

as

a

sub-harmonic

synthesizer,

may

be

added

to

the

VLF

mix

output

ahead

of

the

WS-SP2A

Subwoofer

Processor

for

special

effects.

WS.A240

Subwooter

(x81

WS-A200

in

2t

300w

AE

we

9220

VLF Out

Iser

terti

&

-

8

Out

To

O«siributed

Sytiem

Amph

INot

Snow

B

Oui

WS-SP2A

Subwoofer

Processor

WS-A200

ix2)

ENTRE

Es

RR

N

WP-9220

VLF

Out

KIH

Ll

3

WS-SP2A

Subwoofet

Processor

SYSTEM

B

In

this

system,

two

WS-AB8O

loudspeaker

Systems

in

a

two

channel

configuration

are

powered

by

one

WP-9110

am-

plifier.

Two

WS-A240

subwoofers

are

powered

by

one

WP-9220

amplifier

in

the

dual

mono

mode.

The

WS-SP2A

Subwoofer

Processor

should

be

adjusted

(by

qualified

serv-

ice

personnel

only)

for

WS-A80/WS-A240

signal

processing.

4

Qut

VLF

Out

|

IH

fF

3

WS-SP2A

HEN

Subwoofer

Maw

Out

L

Processor

Main

Out

R

SYSTEM

C

Two

WS-A200

loudspeaker

systems

in

a

two

channel

con-

figuration

are

powered

by

one

WP-9220

amplifier.

The

two

WS-A240

Subwoofers

are

powered

by

one

WP-9220

am-

plifier

in

the

dual

mono

mode.

The

WS-SP2A

Subwoofer

Processor

should

be

adjusted

(by

qualified

service

person-

nel

only)

for

WS-A200/WS-A240

signal

processing.

A

Out

Ds

VLF

Out

WS-SP2A

Subweoter

Processor

(se

Mam

Oui

L

Main

Qut

R

SYSTEM

D

This

system

is

similar

to

System

C,

with

the

addition

of

two

more

WS-A240

Subwoofers

and

another

WP-9220

ampli-

fier.

The

two

VLF

amplifiers

are

operated

in

the

dual

mono

mode

and

the

WS-SP2A

should

be

adjusted

(by

qualified

personnel

only)

for

WS-A200/WS-A240

signal

processing.

A

Out

WS-SP2A

B

Out

Subwoofer

Processor

VLF

Qut

HE

NUNI

GIH

nl

d

oa

apii

WP-9220

Main

Out

L

Main

Out

R

Nea

B=

NUE

WP.9220

100w

[

$0.

TT

WP-3310

200W

200W

mim

Ei

PARLA

ig

AMI

WP-9220

WS-A200

1x2]

200W

200W

HA

ET

WP-9220

200W

200W

HAL

|

&

TE

WP-9220

200W

200W

IH

(|

mam

e