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ROTEL-

STEREO

CONTROL

AMPLIFIER

RC-870BX

owners

manudi

ARAE

FRANÇAIS

.

z

T

ner

A

EEE

|

WARNING

TO

PREVENT

FIRE

OR

SHOCK

HAZARD,

DO

NOT

EXPOSE

THIS

APPLIANCE

TO

RAIN

OR

MOISTURE

Write

your

SERIAL

NUMBER

here.

The

number

is

located

near

the

name

plate

on

the

rear

panel.

ENGLISH

STEREO

CONTROL

AMPLIFIER

RC-870BX

INTRODUCTION

We

at

Rotel

want

to

thank

you

for

purchasing

our

audio

product.

Rotel

audio

products

are

designed

to

use

the

latest

electronic

technology,

and

they

incorporate

our

long

experience

as

a

specialist

manufacturer

of

audio

equipment.

We

are

confident

that

you

will

find

satisfaction

in

the

high

quality

sound

and

top

performance,

and

that

you

will

find

pleasure

in

the

func-

tional

beauty

achieved

through

human-engineering

concept.

Before

starting

operation,

please

read

this

instruction

manual

thoroughly

and

acquaint

yourself

with

the

proper

mode

of

using

the

unit

and

all its

connections.

We

hope

you

will

enjoy

top-notch

performance

for

many

years

to

come.

BEFORE

ENJOYMENT/POWER

SUPPLY

Follow

the

instructions

below

for

maximum

safety:

1.

Use

a

wall

outlet

for

power

supply

Be

sure

to

connect

the

AC

line

cord

to

a

house-hold

wall

out-

let.

Be

certain

that

the

outlet

voltage

matches

the

electrical

rating

of

the

unit,

found

on

the

rear

panel

name

plate.

2.

Connecting

and

removing

AC

cord

Be

sure

to

connect

or

disconnect

the

AC

line

cord

only

after

turning-off

the

power

switch

to

prevent

possible

shock

noise

or

damage

to

the

speakers.

3.

Ventilate

the

unit

well

Never

block

any

ventilation

holes

at

the

top

and

bottom

of

the

unit.

Be

sure

also

to

provide

ample

ventilation

space

around

the

unit.

Poor

ventilation

may

result

in

damage

due

to

exces-

sive

heat.

4.

Do

not

open

the

cabinet

In

order

to

avoid

electric

shock

or

damage

to

the

component,

never

open

the

cabinet.

If

a

foreign

object

falls

inside

the

unit

by

mistake,

turn

the

power

off,

disconnect

the

wall

plug,

and

consult

a

qualified

electrician

or

your

dealer.

5.

Installation

Be

sure

to

place

the

unit

in

a

level

and

flat

place

where

it

is

free

from

humidity,

vibration,

high

temperature

and

not

ex-

posed

to

direct

sunlight.

Be

careful

not

to

place

the

unit

in

a

highly

enclosed

place

such

as

near

a

wall

or

on

a

bookshelf.

A

poor

ventilation

will

cause

undesirable

effects

to

the

unit.

6.

Moving

the

unit

When

transporting,

remove

the

AC

cord

from

the

wall

outlet

and

all

other

connected

cords

on

the

rear

panel

to

prevent

wire

breakage

and

short

circuits.

7.

If

the

unit

gets

wet

Ifthe

unit

should

get

wet,

immediately

disconnect

the

AC

cord,

and

consult

your

dealer

or

a

qualified

electrician.

8.

Cleaning

and

maintenance

Do

not

use

chemicals

such

as

benzine

or

thinners

on

the

front

panel.

Always

use

a

soft,

dry

cloth

to

clean

the

unit.

9.

Owner’s

manual

Keep

the

owner’s

manual

near

the

unit,

and

record

the

serial

number

(found

on

the

rear

panel)

on

the

cover.

Caution

(applicable

to

the

U.S.A.,

Canada,

Hong

Kong,

and

Southeast

Asia):

On

the

rear

panel

of

the

RC-870BX

are

two

sets

of

AC

outlet

through

which

power

is

supplied

to

audio

equipment

(turntable,

CD

player,

tuner,

cassette

deck,

etc.)

you

use

in

conjunction

with

the

RC-870BX.

Each

AC

outlet

is

the

switched

type,

turned

on

or

off

upon

switching

on

or

off

the

power

in

the

RC-870BX

and

has

rating

of

400

watts

maximum.

Do

not

attempt

to

connect

equipment

whose

power

consumption

exceeds

the

rating

of

these

AC

outlets.

Never

connect

a

power

amplifier

to

these

AC

outlets.

Be

sure

to

set

this

selector

to

SOURCE

when

listening

to

a

source

selected

by

the

Input

selector.

(6)

Function

Selector

Select

the

program

source

to

play

or

record.

PHONO:

Turntable

connected

to

the

PHONO

terminals.

CD:

CD

player

connected

to

the

CD

terminals.

TUNER:

Tuner

connected

to

the

TUNER

terminals.

AV/AUX

1,

AV/AUX

2:

Video

cassette

recorder

or

video

disc

recorder

connected

to

the

AV/AUX

1

or

AV/AUX

2

terminals.

Use

this

selector

with

the

Tape

Monitor

selector

at

the

SOURCE

position.

(7)

CD

Direct

ON/OFF

Switch

and

Level

Control

This

unit

is

designed

so

that

you

can

enjoy

the

high

quality

sound

of

the

compact

disc with

no

deterioration.

By

depress-

ing

the

switch

to

ON,

the

signals

from

the

CD

player

are

sent

to

the

power

amplifier

directly.

In

this

case,

the

Volume

Control

of

this

unit

cannot

operate,

but the

volume

of

the

CD

sound

can

be

adjusted

with

the

LEVEL

control.

Try

enjoying

the

excellent

sound

with

the

CD

DIRECT

function.

With

the

switch

at

the

released

OFF

postion,

the

signals

flow

as

usual

and

the

Volume

Control

operates

although

the

LEVEL

control

does

not

function.

OPERATION

*

Before

commencing

operation,

check

to

see

if

all

con-

nections

are

properly

made.

+

Always

be

sure

to

set

the

volume

control

to

the

minimum

position

before

turning

on

power.

*

When

listening

to

a

compact

disc

with

the

CD

DIRECT

switch

at

the

ON

position,

be

sure

to

turn

the

LEVEL

control

completely

to

the

left

before

turning

the

power

switch

to

ON.

Listening

from

turntable

1.

Set

Tape

Monitor

selector

to

SOURCE.

2.

Select

PHONO

on

the

function

selector.

3.

Start

playing

turntable,

and

raise

the

volume

to

the

desired

level.

Playing

a

compact

disc

+

Playing

in

the

direct

signal

path

mode

1.

Set

the

Tape

Monitor

selector

to

SOURCE.

2.

Select

CD

on

the

function

selector.

3.

Set

the

CD

DIRECT

switch

to

ON.

4.

Start

playing

the

compact

disc

and

adjust

the

volume

with

the

LEVEL

control.

*

Playing

in

the

normal

signal

path

mode

1.

Set

the

Tape

Monitor

selector

to

SOURCE.

2.

Select

CD

on

the

function

selector.

3.

Set

the

CD

DIRECT

switch

to

OFF.

4.

Start

playing

the

compact

disc

and

raise

the

volume

to

the

desired

level

with

the

VOLUME

control.

Radio

broadcast

reception

1.

Set

the

Tape

Monitor

selector

to

SOURCE.

2.

Select

TUNER

on

the

function

selector.

3.

Tune

in

the

desired

station

on

the

tuner

and

raise

the

volume

to

the

desired

level.

Playing

back

tape

deck

1.

Set

Tape

Monitor

selector

to

TAPE

1

or

TAPE

2

posi-

tion

according

to

the

tape

deck

you

are

going

to

play

back.

2.

Start

playback.

3.

Raise

the

volume

to

the

desired

level.

Recording

program

source

Play

the

desired

program

source

according

to

the

procedures

mentioned

above.

The

signal

from

the

source

will

be

sent

through

TAPE

OUT

terminals

on

unit’s

rear

panel.

Put

the

tape

deck

in

the

record

mode

to

record

the

signal.

During

recording,

operation

of

Volume

control,

and

Tone

con-

trol

will

have

no

effect

on

the

signal

being

sent

through

TAPE

OUT

terminals.

Note:

When

playing

a

compact

disc

in

the

direct

signal

path

mode,

the

signal

will

not

be

sent

to

TAPE

OUT

terminals

but

only

to

the

speaker

terminals,

and

so

cannot

be

recorded.

Dubbing

By

connecting

two

tape

decks,

dubbing

(tape-to-tape

copy-

ing)

of

prerecorded

tapes

can

be

performed.

The

unit

allows

two

modes

of

dubbing:

from

TAPE

1

to

TAPE

2

deck,

and

TAPE

2

to

TAPE

1

deck.

1.

Set

Tape

Monitor

selector

to

“12

‘

or

“2»1”.

2.

Play

back

TAPE

1

(or

TAPE

2)

deck,

and

put

TAPE

2

(or

TAPE

1)

deck

in

record

mode,

then

dubbing

starts.

Dur-

ing

this

operation,

you

can

listen

to

the

signal

with

Volume

control

or

Balance

control

set

as

desired;

they

have

no

effect

on

the

signal

to

be

recorded.

PLAYBACK

AND

RECORDING

WITH

AV

EQUIPMENT

The

RC-870BX

permits

connection

and

switching

of

audio-

visual

components,

so

that

the

receiver

can

be

used

as an

AV

control

center.

There

are

one

set

of

inputs

for

a

stereo

AV

component

such

as

a

video

disc

player

and

one

set

of

inputs/outputs

for

a

stereo

video

recorder.

There

is

also

a

separate

TV

monitor

output

for

connection

of

a

color

monitor

for

high

quality

viewing.

This

system

then

not

only

provides

for

easy

selection

of

video

sources,

but

also

allows

high

performance

operation

for

op-

timal

sound

quality

such

as

digital

sound

from

a

Hi-Fi

video

recorder.

In

addition,

sound

track

of

video

components

can

be

dubbed

onto

a

tape

recorder

connected

to

the

receiver,

or

vice

ver-

sa.

Video

dubbing

is

also

possible

from

AV/AUX

1

to

AV/AUX

2.

Playback

To

carry

out

playback

with

the

equipment

connected

to

the

AV/AUX

inputs,

set

the

function selector

to

AV/AUX

1

or

AV/AUX

2

as

required

and

set

the

tape

monitor

selector

to

SOURCE

position.

Set

the

TV

or

video

monitor

to

the

video

input

mode

to

view

the

picture.

Adjust

the

volume

and

other

controls

on

the

receiver

to

suit

your

needs.

A

Recording

(Dubbing)

Set

the

tape

monitor

selector

to

SOURCE

position

and

func-

tion

selector

to

AV/AUX

1,

where

the

source

to

be

recorded

is

connected

Then

record

with

the

video

recorder

connected

to

the

AV/AUX

2

terminals

on

the

rear

panel.

The

video

signal

being

recorded

can

be

monitored

by

the

connected

TV

or

video

monitor.

For

advanced

applications,

such

as

combining

sound

from

an

audio

source

with

a

video

signal

and

recording

both

on

the

video

cassette

recorder

connected

to

the

AV/AUX

2

ter-

minals,

please

refer

to

the

signal

flow

table

shown

on

page

17.

(Note:

the

audio

and

video

signal

supplied

to

the

video

recorder

is

completely

unaffected

by

the

volume

and

balance

settings

of

the

receiver)

HUM

AND

NOISE

In

any

high

fidelity

installation,

hum

may

be

caused

by

the

interconnection

of

a

turntable,

tuner

and

amplifier,

and

speak-

ers

as

the

result

of

wiring,

different

grounding

or

locations

of

components.

If

hum

is

experienced

with

your

unit,

disconnect

everything

but

the

speakers

from

the

unit.

Plug

in

the

turntable

and

if

hum

or

howling

appears,

move

the

turntable

away

from

the

speakers

as

much

as

possible.

Note

hum

may

also

be

induced

by

defective

cable

connec-

tions

or

by

running

the

cables

too

close

to

strong

AC

field.

When

your

unit

picks

up

noise

during

the

reception

of

broad-

Casts,

Causes

are

mostly

due

to

external

objects

such

as

fluorescent

lamps

and

house

appliances

using

motor

or

thermostat,

or

others

that

may

induce

the

noise.

Either

relocating

the

unit

away

from

the

noise

sources

or

using

an

improved

outdoor

antenna

may

readily

solve

the

problem.

In

the

event

you

cannot

find

the

cause,

consult

your

dealer

or

a

qualified

electrician.

VOLTAGE

SELECTION

Not

available

for

U.K.,

Canada

and

Scandinavia

The

unit

is

a

variable

voltage

equipment

that

can

run

on

120V,

220V

or

240V

power

supply.

Your

unit

should

already

be

preset

at

the

proper

voltage

for

use

in

your

area.

However,

if

you

move

to

an

area

where

the

power

supply

voltage

is

different,

consult

your

dealer.

SPECIFICATIONS

Total

Harmonic

Distortion

...

No

more

than

0.004%

(CD/TUNER,

20

to

20,000Hz)

Intermoduration

Distortion...

No

more

than

0.004%

(60HZz:7kHz

=

4:1)

(CD/TUNER)

(0)

fof]

Re

ae

eee

.

Headphone

4-16

ohms

Input

Sensitivity/Impedance

PHONO

(MM)...

..

2.5mV/47

kohms

PHONO

(MC)...

...

2504V/180

ohms

CD,

TUNER,

TAPE

1/2....

150mV/24

kohms

AV/IAUX

1,

AV/AUX

2......

150mV/24

kohms

Output

sensitivity/

lmpedances...27....b

2.

1.0V/330

ohms

Overload

Level

(THD

0.5%,

1kHz)

PHONO

(MM)...

l;

PHONO

(MC)...

CD,

TUNER,

TAPE1/2.....

5V

AVIAUX

1,

AV/AUX

2......

5V

Frequency

Response

Ca

eia

O

E

E

20

to

20,000Hz,

+0.2dB

(RIAA

STD)

CD,

TUNER,

TAPE

1/2....

4

to

100,000Hz,

+0.5dB,

—3dB

AV/AUX

1,

AV/AUX

2......

4

to

100,000Hz,

+0.5dB,

—3dB

Signal-to-Noise

Ratio

(IHF

A

network)

PHONO

(MM)...

..

80dB

PHONO

(MC)...

70dB

CD,

TUNER,

TAPE

1/;

95dB

AV/AUX

1,

AV/AUX

2......

95dB

Power

Requirement............

120V/60Hz,

220V/50Hz,

240V/50Hz

or

120,

220,

240V/50-60Hz

(switchable)

(depending

on

destinations)

..

10

watts

-.

430

(W)

x

66

(H)

x

320

(D)mm

16-15/16”

x

2-19/32”

x

12-19/32”

3.8kg/8.36

Ibs.

Power

Consumption

...

Dimensions

(overall)

...

Weight

(net)...

*

Specifications

and

design

subject

to

possible

modification

without

notice.