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Technics

Stereo

Integrated

Amplifier

SU-A900

SU-A800

Operating

Instructions

Dear

Customer

Thank

you

for

purchasing

this

product.

For

optimum

performance

and

safety,

please

read

these

instructions

carefully.

These

operating

instructions

are

applicable

to

models

SU-A900

and

SU-A800.

Contents

©

Accessories

.......

cece

cee

eens

2

e

Remote

Control

Transmitter..............

1i

¢

Caution

for

AC

mains

lead

e

Remote

Control

Operation................

12

(For

United

Kingdom).

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

000000

3

©

Suggestions

for

Safety...................

14

e

Connections

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

cece

ee

4

©

Technical

Specifications

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

15

e

Front

Panel

Controls

and

Functions

......

7

e

Maintenance.......................000

eee

15

e

Listening

to

Sound.......................

8

©

Troubleshooting

Guide

.........

Back

cover

©

Recording

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

cece

cece

eee

10

For

areas

except

United

Kingdom,

Europe,

Australia

and

N.Z.

CAUTION:

:

The

AC

voltage

differs

according

to

the

area.

Be

sure

to

set

the

proper

voltage

in

your

area

before

use.

(For

details,

please

refer

to

page

5.)

e

AC

power

supply

cord

(For

United

Kingdom)

(For

Australia

and

N.Z.)

*

Batteries

©

Power

plug

adaptor

(Not

supplied

for

United

Kingdom,

Europe,

Australia

and

N.Z.)

Caution

for

AC

mains

lead

(For

United

Kingdom)

(“EB"

area

code

model

only)

For

your

safety,

please

read

the

following

text

care-

fully.

This

appliance

is

supplied

with

a

moulded

three

pin

mains

plug

for

your

safety

and

convenience.

A5-ampere

fuse

is

fitted

in

this

plug.

Should

the

fuse

need

to

be

replaced

please

ensure

that

the

replacement

fuse

has

a

rating

of

5-ampere

and

that

it

is

approved

by

ASTA

or

BSI

to

BS

1362.

Check

for

the

ASTA

mark

@

or

the

BSI

mark

Y

on

the

body

of

the

fuse.

If

the

plug

contains

a

removable

fuse

cover

you

must

ensure

that

it

is

refitted

when

the

fuse

is

replaced.

if

you

lose

the

fuse

cover

the

plug

must

not

be

used

until a

replacement

cover

is

obtained.

A

replacement

fuse

cover

can

be

purchased

from

your

local

dealer.

CAUTION!

IF

THE

FITTED

MOULDED

PLUG

!S

UN-

SUITABLE

FOR

THE

SOCKET

OUTLET

IN

YOUR

HOME

THEN

THE

FUSE

SHOULD

BE

REMOVED

AND

THE

PLUG

CUT

OFF

AND

DISPOSED

OF

SAFELY.

THERE

IS

A

DANGER

OF

SEVERE

ELEC-

TRICAL

SHOCK

IF

THE

CUT

OFF

PLUG

IS

INSERTED

INTO

ANY

13-AMPERE

SOCKET.

If

a

new

plug

is

to

be

fitted

please

observe

the

wiring

code

as

shown

below.

If

in

any

doubt

please

consult

a

qualified

electrician.

IMPORTANT

The

wires

in

this

mains

lead

are

coloured

in

accor-

dance

with

the

following

code:

Blue:

Neutral

Brown:

Live

As

the

colours

of

the

wires

in

the

mains

lead

of

this

appliance

may

not

correspond

with

the

coloured

markings

identifying

the

terminals

in

your

plug,

pro-

ceed

as

follows:

The

wire

which

is

coloured

BLUE

must

be

connected

to

the

terminal

in

the

plug

which

is

marked

with

the

-

letter

N

or

coloured

BLACK.

The

wire

which

is

coloured

BROWN

must

be

con-

nected

to

the

terminal

in

the

plug

which

is

marked

with

the

letter

L

or

coloured

RED.

Under

no

circumstances

should

either

of

these

wires

be

connected

to

the

earth

terminal

of

the

three

pin

plug,

marked

with

the

letter

E

or

the

Earth

Symbol

L

Before

use

Remove

the

connector

cover

as

follows.

How

to

replace

the

fuse

1.

Remove

the

fuse

cover

with

a

screwdriver.

Connections

To

connect

to

each

terminal

Make

connections

to

each

component

in

the

system

by

using

stereo

connection

cables

(not

included).

Stereo

connection

cable

White

(L)

Red

(R)

GOO

O=

®

“PHONO”

terminals

Connect

to

a

turntable.

GND

DO

Turntable

(not

included)

®

U

M

“GND”

terminal

This

terminal

is

for

use

with

a

turntable

which

has

a

ground

wire.

“TUNER”

terminals

Connect

to

a

tuner.

Tuner

(not

included)

SPEAKERS

Cooling

fan

(See

page

5.)

©Cep"

terminals)

Connect

to

a

compact

disc

player.

©

Compact

disc

player

(not

included)

e

OUT

D

Q

GS

~

AU

=

©)

“AUX”

terminals

Connect

to

a

component

such

as

a

video

disc

player

(audio

only

connectable),

etc.

Video

disc

player

(not

included)

AUDIO

OUT

9

Ọ

LJ

Æ

“TAPE

2”

terminals

Connect

to

a

second

tape

deck

(Tape

deck

2)

or

a

graphic

equalizer,

etc.

Tape

deck

2

(not

included)

REC(IN)

PLAY(OUT}

œŒ

Q

©

C

“TAPE

1”

terminals

Connect

to

a

first

tape

deck

(Tape

deck

1)

or

a

digital

compact

cassette

deck

(DCC),

atc.

Tape

deck

1

(not

included)

@

(“REMOTE

CONTROL

OUT”

terminal

This

terminal

can

be

used

only

with

Technics

tape

deck

and

com-

pact

disc

player

which

have

the

appropriate

remote

control

ter-

minal.

(Consult

your

dealer

for

details.)

Proper

connection

with

remote

control

connection

cables

will

allow

control

of

some

functions

from

this

unit’s

remote

control

transmitter.

(See

pages

12—13

for

details.)

Connect

to

a

tape

deck

and/or

compact

disc

player

as

shown

below,

If

a

tape

deck

is

not

being

used,

the

compact

disc

player

can

be

connected

directly

(dotted

line).

This

unit

REMOTE

@

CONTROL

OUT

Connection

cable

for

remote

control

(included

with

tape

deck)

Tape

deck

(not

included)

REMOTE

Q

CONTROL

;

2 =

Connection

cable

for

remote

control

(Included

with

compact

disc

r=-

Compact

disc

player

A

(not

included)

REMOTE

=

For

a

compact

disc

player

with

a

remote

control

sensor,

the

above

connection

is

not

necessary.

To

set

the

power

voltage

For

areas

except

United

Kingdom,

Europe,

Australla

and

N.Z.

CoE,

CODCOD

Set

the

voltage

selector

to

"110

V—127

V"

or

“220

V-240

V"

according

to

the

area

in

which

the

unit

will

be

used.

{Use

a

minus

(—)

screwdriver]

Note:

Note

that

this

unit

will

be

seriously

damaged

if

this

setting

is

not

made

correctly.

There

is

no

cooling

fan

for

some

countries.

The

coofing

fan

operates

at

high

power

output

levels

only.

CONNECTIONS

n.s

One

pair

of

speakers

can

be

connected

to

the

“A”

terminals

of

this

unit

and

one

pair

to

the

“B”

terminals,

or

only

one

pair

of

bi-

wired

speakers

can

be

connected

to

ail

terminals.

To

connect

main

and/or

second

speakers

Main

(A)

speakers

(not

Included)

(right)

Second

(B)

speakers

(not

Included)

Hi

Load

Impedance

©

When

only

the

“A”

or

only

the

“B”

terminals

are

used:

4—16

ohms

When

both

the

“A” and

the

“B”

terminals

are

used

simultaneously:

8—16

ohms

To

connect

bi-wired

speakers

(not

included)

Note:

Connect

only

bi-wired

speakers

in

this

way.

@

Load

impedance

When

bi-wired

speakers

are

used:

4-16

ohms

E

Bi-wiring

The

treble

range

and

the

bass

range

of

the

speakers

are

con-

nected

to

the

speaker

terminals

of

the

amplifier

by

using

two

speaker

connection

cords

separately

for

each.

As

a

result

of

making

connections

in

this

way,

sound

can

be

reproduced

with

much

greater

nuance

and

detail,

with

the

feel-

ings

of

alr

oscillation

and

deepness

of

sound

provided

by

an

input

source

that

suppresses

reciprocal

band-range

Interference.

(Refer

to

the

operating

instructions

of

the

speakers.)

To

connect

cords

to

terminals

©

Strip

off

the

outer

©

covering,

and

twist

the

—-

—

et

m

center

conductor.

10

mm

Twist

@

Turn

completely

tothe

®©

®

left.

sy

Ps)

insert

the

wire

and

turn

completely

to

the

right.

Pull

the

cord

to

assure

a

proper

connection.

Note:

Be

sure

to

only

connect

positive

(+)

cards

to

positive

(+)

terminals,

and

negative

(—)

cords

to

negative

(—)

terminals.

Note:

To

prevent

damage

to

circuitry,

never

short-circuit

the

positive

(+)

and

negative

When

using

banana

plugs

(—)

speaker

wires.

e

8

Use

with

the

speaker

terminal

OOS

knob

tightened

completely.

e

Pf

fy

en

plug

(not

included)

To

connect

the

AC

power

supply

cord

(Included)

FOR

UNITED

KINGDOM

ONLY

BE

SURE

TO

READ

THE

CAUTION

FOR

THE

AC

POWER

SUPPLY

CORD

ON

PAGE

3

BEFORE

CONNECTING

THE

AC

POWER

SUPPLY

CORD.

For

United

Kingdom

only

Connect

the

AC

power

supply

cord

(included)

after

all

other

cables

and

cords

are

connected.

AC

power

supply

cord

a

(inctuded)

COOGOs

{For

areas

except

Australia

and

N.Z.)

Insertion

of

Connector

Even

when

the

connector

Is

perfectly

Inserted,

depending

on

the

type

of

in-

let

used,

the

front

part

of

the

connec-

tor

may

jut

out

as

shown

in

the

draw-

Household

AC

outlet

Connector

ing.

R

However

there

is

no

problem

using

the

‘Approx.

6mm

unit.

‘Appliance

inlet

Note:

The

configuration

of

the

AC

power

supply

cord

differs

according

to

area.

Not

supplied

for

United

Kingdom,

Europe,

Australia

and

N.Z.

If

the

power

piug

will

not

fit

your

socket,

use

the

power

plug

adaptor

(included).

=E

Front

Panel

Controls

and

Functions

[1]

Power

“STANDBY

()

ION"

switch

(POWER,

m

STANDBY

Ò

=

ON)

|

Press

to

switch

the

unit

from

on

to

standby

mode

or

vice

ver-

sa,

In

standby

mode,

the

unit

is

still

consuming

a

small

amount

of

power,

[2]

Operation

indicators

(AMPLIFIER

OPERATION

MONITOR)

These

indicators

illuminate

to

indicate

the

operating

condi-

tion

of

this

unit.

VOLTAGE

CONTROL:

When

the

power

is

switched

ON,

this

indicator

illuminates

when

the

unit

is

in

the

operating

condition.

CURRENT

DRIVE:

When

the

power

is

switched

ON,

this

indicator

illuminates

after

about

4

seconds

when

the

unit

is

in

the

operating

condi-

tion.

If

an

abnormat

condition

in

the

circuitry

is

detected,

such

as

DC

voltage

appearing

in

the

output

or

a

short-circuit

of

the

positive

(+)

and

negative

(—)

wires

from

the

speaker

ter-

minals,

the

protection

circuit

functions

and

this

indicator

will

not

illuminate.

[3]

Tone

control

button

(TONE)

This

switch

is

used

to

set

the

tone

control

circuit

(bass,

tre-

ble)

to

ON

or

DEFEAT.

[4]

Volume

control

(VOLUME)

[5]

Tape-monitor

button/indicators

(TAPE

MONITOR)

This

button

is

used

to

monitor

the

recorded

sound

during

recording.

TAPE

1

Set

to

this

position

to

monitor

the

sound

from

the

equipment

connected

to

the

“TAPE

1”

terminals.

TAPE

2

Set

to

this

position

to

monitor

the

sound

from

the

equipment

connected

to

the

“TAPE

2”

terminals.

SOURCE

Set

to

this

position

to

tisten

to

a

phono

disc,

radio

broadcast,

compact

disc,

etc.

(See

pages

8

and

10.)

To

open

the

panel

cover

+

l

l

om

oren

t

I

L]

L]

|

eS

ee

er

G

Remote

control

signal

receptor

(SENSOR)

Receives

the

signals

from

the

remote

control.

[7]

Headphones

Jack

(PHONES)

(See

page

9.)

Speaker

select

buttons/indicators

(SPEAKERS)

These

select

buttons

are

used

to

select

the

speakers

to

be

used,

(See

page

8.)

Tone

controls

(BASS/TREBLE)

The

bass

control

Is

used

to

adjust

the

low-frequency

sound

tange,

and

the

treble

contro!

is

used

to

adjust

the

high-

frequency

sound

range.

Balance

control

(BALANCE)

This

control

is

used

to

adjust

the

left/right

volume

balance.

[11]

Input

selectors/indicators

(INPUT

SELECTOR)

These

selectors

are

used

to

select

the

sound

source

to

be

heard,

such

as

a

disc,

radio

broadcast,

etc.

The

input

source

can

be

selected

either

by

sequentially

changing

the

selection

or

by

direct

selection.

(See

page

8.)

[12]

Phono

cartridge

selector

(PHONO

SELECTOR)

This

selector

should

be

set

to

the

position

which

cor-

responds

to

the

type

of

cartridge

used

on

the

turntable.

2

3

1745

Speaker

indicators

Set the

volume

control

to

the

“MIN”

posi-

tion.

2

Switch

ON

the

power.

Select

the

speaker

system

to

be

used.

The

corresponding

Indicator(s)

above

will

Illuminate

to

Indicate

which

speaker

system

Is

selected.

A:

Sound

can

be

heard

from

the

speakers

connected

to

the

“A”

terminals,

B:

Sound

can

be

heard

from

the

speakers

connected

to

the

“B"

terminals.

A

and

B:

Sound

can

be

heard

simultaneously

from

the

speakers

connected

to

the

“A”

terminals

and

the

“B”

terminals.

Or,

if

bi-wired

speakers

are

connected,

sound

can

be

heard

from

them.

off:

No

sound

will

be

heard

from

the

speakers.

(Both

indicators

will

turn

off.)

Press

the

tape

monitor

button

so

that

the

“SOURCE?”

indicator

illuminates.

Notes:

When

a

graphic

equalizer

connected

to

the

“TAPE

1"

or

“TAPE

2”

terminals

is

used,

set

the

selector

to

the

“TAPE

1"

or

“TAPE

2"

position.

Tape

monitor

indicators

Input

selector

indicators

Press

one

of

the

input

selectors

to

select

uJ

the

sound

source.

(o)

:

Each

time

the

button

is

pressed,

the

illuminated

posl-

<

tion

of

the

input

selector

indicator

will

shift

one

posi-

tion

to

the

left.

©

:

Each

time

the

button

is

pressed,

the

illuminated

posi-

»

tion

of

the

Input

selector

indicator

will

shift

one

posi-

tion

to

the

right.

To

directly

select

the

Input

source

The

desired

input

source

can

be

selected

directly

by

using

the

input

selector

buttons

(@

)

located

Inside

the

panel.

TAPE

1:

Set

to

this

position

to

listen

to

equipment

con-

nected

to

the

“TAPE

1"

terminals.

TAPE

2:

Set

to

this,

position

to

listen

to

equipment

con-

nected

to

the

“TAPE

2"

terminals.

AUX:

Set

to

this

position

to

listen

to

equipment

connected

to

the

“AUX”

terminals.

CD:

Set

to

this

position

to

listen

to

compact

discs.

TUNER:

Set

to

this

position

to

listen

to

radio

broadcasts.

PHONO:

Set

to

this

position

to

listen

to

phono

discs.

Then,

set

the

phono

cartridge

selector

to

the

posi-

tion

which

corresponds

to

the

type

of

cartridge

us-

ed

on

the

turntable.

(Refer

to

“PHONO

SELEC-

TOR”

on

page

9.)

Begin

operation

of

the

components

to

be

used.

Refer

to

the

operating

instructions

of

each

component.

Adjust

the

volume

level.

Turn

the

volume

control

to

the

desired

level.

|

To

open

the

a

panel

cover

I

pee

t

t

l

I

l

Lo

SS

A,

4

t

snes,

nase

STRELE

(BALANCE

eo

0 D

Q

i

Pro

Pete

et

aC}

To

adjust

the

left/right

sound

balance

-

BALANCE

Adjust

the

balance

control.

To

adjust

the

tone

qualit

TONE

Press

the

tone

control

switch

inward

to

the

“ON”

position

If

you

want

to

adjust

the

bass

or

treble

tone

quality.

If

set

to

the

“DEFEAT”

position,

tone

controls

have

no

effect,

and

frequency

response

becomes

flat.

[BASS]

Adjust

the

low-frequency

sound

to

the

desired

tone

quality.

TREBLE

Adjust

the

high-frequency

sound

to

the

desired

tone

quality.

When

listening

phono

discs

PHONO

SELECTOR

Select

the

cartridge

type.

MM:

Set

to

this

position

when

using

a

moving-magnet

type

cartridge

or

high-output

moving-coil

cartridge

(1

mV

or

more).

MC:

Set

to

this

position

when

using

a

moving-coil

type

cartridge.

PHONO

SELECTOR

While

listening

through

headphones

Speaker

selectors

Headphones

(not

included)

©

Reduce

the

volume

tevel

before

connecting

headphones.

e

If

the

sound

from

the

speakers

is

not

wanted,

set

the

speaker

selectors

to

the

“off”

position.

Avoid

listening

for

prolonged

periods

of

time

to

prevent hearing

damage.

After

listening

Is

finished

Use

the

volume

control

to

reduce

the

volume

level

and

switch

OFF

the

power

of

each

unit.

Recording

To

record

from

compact

discs,

etc.

Set

the

tape-monitor

button

to

the

“SOURCE?”

position.

Select

the

program

source

to

be

recorded.

AUX:

Set

to

this

position

to

record

from

equipment

con-

nected

to

the

“AUX”

terminals.

CD:

Set

to

this

position

to

record

from

compact

discs.

TUNER:

Set

to

this

position

to

record

from

radio

broad-

casts,

PHONO:

Set

to

this

position

to

record

from

phono

discs.

Prepare

the

tape

deck

for

recording.

(Refer

to

the

operating

instructions

for

the

tape

deck

for

detailed

adjustment

of

the

recording

level,

etc.)

A

ster

recording,

and

play

back

the

source.

Tape-to-tape

recording

Tape-to-tape

recordings

can

be

made

if

two

regular

tape

decks,

or

one

regular

tape

deck

and

a

digital

compact

cassette

deck

(DCC),

are

connected

to

the

rear

panel

of

this

unit.

Note:

Tape

deck

1

(first

tape

deck)

is

the

tape

deck

connected

to

the

“TAPE

1”

terminals.

Tape

deck

2

(second

tape

deck)

Is

the

tape

deck

connected

to

the

“TAPE

2”

terminals.

(

To

record

from

tape

deck

2

to

1

)

Set the

tape-monitor

button

to

the

“SOURCE”

position.

2

Press

the

“TAPE

2”

button.

Start

tape

deck

1

for

recording

and

tape

deck

2

for

playback.

(

To

record

from

tape

deck

1

to

2

Set

the

tape-monitor

button

to

the

“SOURCE?”

position.

D

Press

the

“TAPE

1”

button.

Start

tape

deck

2

for

recording

and

tape

deck

1

for

playback.

E

To

directly

select

the

source

for

recording

The

desired

source

can

be

selected

directly

by

using

the

input

selector

buttons

(

@

©)

)

located

inside

the

panel.

E

To

check

the

sound

recorded

With

a

tape

deck

with

3

heads,

It

is

possible

to

check

the

sound

recorded

on

the

tape.

Set

the

tape

monitor

to

“TAPE

1”

or

“TAPE

2”

and

the

monitor

switch

on

the

tape

deck

to

“TAPE.”

TAPE

1:

when

recording

on

tape

deck

1

(first

tape

deck)

TAPE

2:

when

recording

on

tape

deck

2

(second

tape

deck)