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SONY

Active

Super

Woofer

A-W55X

Operating

Instructions

3-753-154-21(1)

Before

operating

the

unit,

please

read

this

manual

thoroughly

and

retain

it

for

future

reference.

Owner's

Record

The

model

and

serial

numbers

are

located

at

the

rear.

Record

the

serial

number

in

the

space

provided

below.

Refer

to

these

numbers

whenever

you

call

upon

your

Sony

dealer

regarding

this

product.

Model

No.

SA-W55X

For

the

customers

in

U.S.A.

To

prevent

fire

or

shock

hazard,

do

not

expose

the

unit

to

rain

or

moisture.

Serial

No.

CAUTION

RISK

OF

ELECTRIC

SHOCK

NO

T

OPEN

CAUTION:

TO

REDUCE

THE

RISK

OF

ELECTRIC

SHOCK,

DO

NOT

REMOVE

COVER

(OR

BACK).

NO

USER-SERVICEABLE

PARTS

INSIDE.

REFER

SERVICING

TO

QUALIFIED

SERVICE

PERSONNEL.

This

symbol

is

intended

to

alert

the

user

to

the

presence

of

uninsulated

“dangerous

voltage”

within

the

prod-

uct’s

enclosure

that

may

be

of

suffi-

cient

magnitude

to

constitute

a

risk

of

electric

shock

to

persons.

This

symbol

is

intended

to

alert

the

user

to

the

presence

of

important

operating

and

maintenance

(servicing)

instructions

in

the

literature

accompa-

nying

the

appliance.

©

1991

by

Sony

Corporation

Printed

in

Japan

CAUTION:

Use

of

this

appliance

with

some

systems

may

present

a

shock

or

fire

hazard.

Do

not

use

with

any

units

which

have

the

following

marking

located

near

output,

"WARNING!

HAZARDOUS

ENERGY|.......

"

NOTICE

FOR

THE

CUSTOMERS

IN

THE

UNITED

KINGDOM

IMPORTANT

The

wires

in

this

mains

lead

are

coloured

in

accordance

with

the

following

code:

Blue:

Neutral

Brown:

Live

As

the

colours

of

the

wires

in

the

mains

lead

of

this

apparatus

may

not

correspond

with

the

coloured

markings

identifying

the

terminals

in

your

plug

proceed

as

follows:

The

wire

which

is

coloured

blue

must

be

connected

to

the

terminal

which

is

marked

with

the

letter

N

or

coloured

black.

The

wire

which

is

coloured

brawn

must

be

connected

to

the

terminal

which

is

marked

with

the

letter

L

or

coloured

red.

Do

not

connect

either

wire

to

the

earth

terminal

in

the

plug

which

is

marked

by

the

letter

E

or

by

the

safety

earth

symbol

+

or

coloured

green

or

green-and-yellow.

Connections

Notes

on

Connection

e

The

power

cord

should

be

connected

last

of

all,

after

making

sure

that

the

POWER

switch

is

turned

off.

e

The

cable

connectors

should

be

fully

inserted

into

the

jacks.

Loose

connection

may

cause

hum

and

noise.

¢

The

+

and

-

cords

of

the

connection

adaptor

should

be

correctly

connected

to

the

+

and

—

terminals

of

the

amplifier

respectively

to

avoid

damaging

to

each

units.

When

Connecting

the

Amplifier

Having

a

Super

Woofer

Output

Terminal

with

the

Audio

Cord

Speaker

system

(R)

Speaker

system

(L)

SUPER

WOOFER

OUT

==

SA-W55X

IN

Audio

cord

(supplied)

To

a

wall

outlet

or

an

AC

outlet

When

Connecting

to

the

Speaker

Terminals

of

the

Amplifier

with

the

Connection

Adaptor

Speaker

system

(R)

Speaker

system

(L)

SPEAKER

Amplifier

Yellow

cord

to

+

terminal

of

Right

channel

Green

cord

to

+

terminal

of

Left

channel

SA-W55X

Black

cords

to

—

terminals

Connection

adaptor

(supplied)

To

a

wall

outlet

or

an

AC

outlet

|

Moyer:

1ile)aw-lale

Mm

mel

aleii(ola

me)

m@relalige)

(-j

FRONT

POWER

button

and

indicator

When

the

button

is

pressed,

the

indicator

lights

up,

and

the

unit

is

set

in

power

stand-by

mode

-

the

internal

power

amplifier

is

automatically

turned

on

when

receiving

any

input

signals.

When

not

receiving

input

signal

during

a

few

minutes,

the

amplifier

is

automatically

turned

off.

Depress

the

POWER

button

again

when

the

unit

is

not

used.

TURNOVER

frequency

selector

Select

the

turnover

frequency

among

60

Hz,

90

Hz,

and

120

Hz

so

that

the

highest

frequency

of

the

unit

may

smoothly

contact

with

the

lowest

frequency

of

the

front

speaker

system.

When

the

front

speaker

system

has

a

large

size

woofer,

set

the

selector

to

60

Hz.

When

the

front

speaker

system

has

a

medium

size

woofer,

set

the

selector

to

90

Hz.

When

the

front

speaker

system

has

a

small

size

woofer,

set

the

selector

to

120

Hz.

PHASE

selector

Set

the

phase

to

NORMAL

or

REVERSE

according

to

the

phase

of

the

front

speakers.

BOOST

button

To

boost

the

bass

sound,

depress

the

button.

VOLUME

control

Adjust

the

control

to

balance

the

volume

of

this

unit

with

that

of

the

front

speaker

system.

To

increase

the

volume,

turn

the

control

clockwise.

To

decrease

the

volume,

turn

the

control

counterclockwise.

When

connecting

to

the

compact

audio

system,

MHC-6600,

MHC-5600,

MHC-3600,

or

MHC-2600,

of

Sony

TURNOVER

|

PHASE

|

VOLUME

90

Hz

NORMAL

Center

REAR

Notes

¢

Do

not

drive

the

unit

with

an

extremely

high

input

power

to

avoid

damaging

the

speaker

system.

¢

Before

operating

the

power

switch

and

the

controls

of

the

amplifier,

set

the

VOLUME

control

to

minimum

to

avoid

damaging

the

speaker

system

by

switching

noise.

¢

If

howling

occurs,

decrease

the

volume

or

keep

the

unit

away

from

the

turntable

system.

[6]

Power

cord

INPUT

terminal

Connect

to

the

connection

adaptor

or

the

SUPER

WOOFER

(or

CENTER)

OUT

termina!

of

the

amplifier.

To

prevent

possible

damage

caused

by

the

magnets

Keep

personal

credit

cards,

watches,

recorded

tapes

away

from

the

unit.

In

case

color

irregularity

is

observed

on

nearby

TV

screen

With

the

anti-magnetism

design

of

the

unit,

the

speakers

can

be

installed

near

a

TV

set.

However,

color

irregularity

may

still

be

observed

on

the

TV

screen

depending

on

the

type

of

your

TV

set.

If

color

irregularity

is

observed...

Turn

off

the

TV

set

once,

then

turn

it

on

after

15

to

30

minutes.

If

color

irregularity

is

observed

again...

Place

the

unit

more

apart

from

the

TV

set.

Precautions

Features

On

safety

¢

Before

connecting

the

unit

to

the

power

at

the

operating

voltage

of

your

unit

is

the

same

as

the

local

power

line

voltage.

Where

purchased

Operating

voltage

United

Kingdom

240

V

AC,

50/60

Hz

e

Unplug

the

unit

from

the

wall

outlet

if it

is

not

to

be

used

for

an

extended

period

of

time.

To

disconnect

the

cord,

pull

it

out

by

grasping

the

plug.

Never

pull

the

plug

out

by

the

cord.

©

Should

any

liquid

or

solid

object

fall

into

the

unit,

unplug

the

unit

and

have

the

unit

checked

by

qualified

personnel

before

operating

it

any

further.

e

AC

power

cord

must

be

changed

only

at

the

authorized

Sony

Service

Station.

On

installation

¢

Do

not

install

the

unit

near

heat

sources

such

as

radiators

or

air

ducts,

or

in

a

place

subject

to

direct

sunlight,

excessive

dust,

mechanical

vibration

or

shock.

¢

Good

ventilation

is

essential

to

prevent

internal

heat

build-up

in

the

unit.

Place

the

unit

in

a

location

with

adequate

air

circulation.

Do

not

place

the

unit

on

a

soft

surface

and

closely

near

a

wall

to

avoid

obstructing

the

ventilation

hall

of

the

back.

On

cleaning

the

cabinet

Clean

the

cabinet,

panel

and

controls

with

a

soft

cloth

lightly

moistened

with

a

mild

detergent

solution.

Do

not

use

any

type

of

abrasive

pad,

scouring

powder

or

solvent

such

as

alcohol

or

benzine.

For

the

customers

in

the

USA

For

detailed

safety

precautions,

see

the

leaflet

“IMPORTANT

SAFEGUARDS”

lf

you

have

any

question

or

problem

concerning

your

unit

that

is

not

covered

in

this

manual,

please

consult

your

nearest

Sony

dealer.

SA-W55X

is

an

active

super

woofer

for

compensating

the

bass

sound

of

the

front

speaker

systems.

e

SA-W55X

has

a

65-W

(U.S.A.

model)

or

75-W

(U.K.

model)

amplifier

which

can

be

automatically

turned

on

and

off

by

sensing

the

input

signal.

e

The

turnover

frequency

can

be

selected

among

60

Hz,

90

Hz,

and

120

Hz.

e

The

phase

can

be

changed

in

phase

or

opposite

phase

with

the

front

speakers.

e

With

the

anti-magnetism

design

of

the

speaker

system,

SA-W55X

has

very

little

affect

on

a

TV.

sy

er-veqicer-liCe]

ats)

AUDIO

POWER

SPECIFICATIONS

Speaker

section

ches)

cone!

cm

(4

inches)

cone

(for

U.S.A.

model)

Pee

ae

POWER

OUTPUT

AND

TOTAL

HARMONIC

Enclosure

Bass

reflex

DISTORTION:

‘i

;

:

.

enera

With

12

ohm

load,

from

20

—

120

Hz;

rated

Power

requirement

U.S.A.

model:

120

V

AC,

60

Hz

65

watts

per

minimum

RMS

power,

with

no

U.K.

model:

240

V

AC,

50/60

Hz

more

than

0.5%

total

harmonic

distortion

Power

consumption

we

cence

aT

“A.

moael:

from

250

milliwatts

to

rated

output.

Sinensione

Approx.

160

x

365

x

315

mm

(65/16

x

143/,

x

123/g

inches)

Amplifier

section

(wih/d)

Continuous

RMS

power

output

Weight

Approx.

9

kg

(19

Ib.

13

oz.)

U.S.A.

model:

65

W

Accessories

Audio

cord

(1)

U.K.

model:

75

W

Connection

adaptor

(1)

Harmonic

distortion

U.S.A.

model:

Less

than

0.5%

at

rated

output

Design

and

specifications

subject

to

change

without

notice.

U.K.

model:

Less

than

5%

at

at

70

Hz,

12

ohms

Inputs

Input

jack

Jack

type

Sensitivity

This

appliance

conforms

with

EEC

Directives

76/889

and

82/499

regarding

interference

suppression.

INPUT

Phono

150

mV

10

kohms

(at

70

Hz)

Phase

control

NORMAL,

REVERSE

Turnover

frequencies

60

Hz,

90

Hz,

120

Hz

A

Ucolt]

o)(-S-JaTolo)

lave

mele

i

ie

(=

Before

going

through

the

check

list

below,

first

refer

back

to

the

connection

and

operating

procedures.

Should

any

problem

persist

after

you

have

made

these

checks,

consult

your

nearest

Sony

dealer.

No

audio

eCheck

power

cord

connection.

Check

input

connections.

e

Adjust

VOLUME

control.

Lack

of

bass

sound

partially

*

Adjust

the

PHASE

and

TURNOVER

selectors.

Severe

hum

or

noise

Keep

the

audio

components

further

away

from

the

TV.

¢Keep

the

connecting

cords

away

from

transformer,

motors,

fluorescent

lights,

or

computers.

Fully

insert

connecting

cord

plugs.

¢

Clean

any

dirty

plugs

and

jacks

with

a

cloth

lightly

moistened

with

alcohol.