Rotel RC-870 User manual

STEREO

CONTROL

AMPLIFIER

RC-870

INTRODUCTION

Rotel

want

thank

vou

for

purchasing

our

audk>

product.

Rotel

audio

products

are

designed

use

the

latest

electronic

technology,

and

they

incorpo¬

rate

our

long

experience

specialist

manufac¬

turer

audio

equipment.

are

confident

that

you

will

find

satisfaction

the

high

quality

sound

and

top

performance,

and

that

you

will

find

pleasure

the

functional

beauty

achieved

through

humarvengineerir>g

concept.

Before

starting

operation,

please

read

this

instruction

manual

thoroughly

and

acquaint

yourself

with

the

proper

mode

using

the

unit

and

all

its

connections.

hope

you

will

enjoy

top-notch

performance

for

many

years

come.

BEFORE

ENJOYMENT/

POWER

SUPPLY

the

instructions

below

for

maximum

safety:

Use

wall

outlet

for

power

supply

sure

connect

the

tine

cord

house¬

hold

wall

outlet.

certain

that

the

outlet

voltage

matches

the

electrical

rating

the

unit,

found

the

rear

panel

name

plate.

Connecting

and

removirtg

cord

sure

connect

disconnect

the

line

cord

only

after

turning

off

the

power

switch

prevent

possible

shock

noise

damage

the

speakers.

Ventilate

the

unit

well

Never

block

any

ventilation

holes

the

top

and

bottom

the

unit.

sure

also

provide

ample

ventilation

space

around

the

unit.

Poor

ventilation

may

result

damage

due

exces¬

sive

heat.

not

open

the

cabinet

order

avoid

electric

shock

damage

the

component,

never

open

the

cabinet.

foreign

object

falls

inside

the

unit

mistake,

turn

the

power

off.

disconnect

the

wall

plug,

and

consult

qualified

electrician

your

dealer.

Irtttallation

sure

place

the

unit

level

artd

flat

place

where

free

from

humidity,

vibration,

high

temperature

and

not

exposed

direct

sunlight.

careful

not

place

the

unit

highly

enclosed

place

such

near

wall

bookshelf.

poor

ventilation

will

cause

unde¬

sirable

effects

the

unit.

Moving

the

unit

When

transporting,

remove

the

cord

from

the

wall

outlet

and

all

other

connected

cords

the

rear

panel

prevent

wire

breakage

arxi

short

circuits.

the

unit

gets

wet

the

unit

should

get

wet,

immediately

discon¬

nect

the

cord,

and

consult

your

dealer

qualified

electrician.

Cleaning

and

maintenance

not

use

chemicals

such

benzine

thin-

ners

the

front

panel.

Always

use

soft,

dry

cloth

clean

the

unit.

wr>er's

manual

Keep

the

owner’s

manual

near

the

unit,

arxl

record

the

serial

number

(found

the

rear

panel)

the

cover.

Caution

(applicable

the

U.S.A.,

Canada,

Hong

Kong,

arxl

Southeast

Asia):

the

rear

panel

the

RC-870

are

two

sets

outlet

through

which

power

supplied

audio

equipment

(turntable.

player,

tuner,

cas¬

sette

deck,

etc.)

you

use

conjunction

with

the

RC-870.

Each

outlet

the

switched

type,

turned

off

upon

switching

off

the

power

the

RC-870,

and

has

rating

200

watts

maximum.

not

attempt

connect

equipment

whose

power

consumption

exceeds

the

rating

these

outlets.

Never

connect

power

amplifier

these

outlets.

CONNECTING

COMPONENTS

Connect

all

necessary

audio

components

the

rear

panel

the

unit,

using

RCA

cords.

See

the

illustration

for

properly

completed

con¬

nections.

When

connecting

RCA

cords,

sure

that

(left)

ar>d

(right)

markings

each

component

are

matched

correctly.

Con¬

nect

the

grour>ding

wire

the

turntable

the

terminal

marked

GND

the

amplifier.

Note:

The

unit

provided

with

two

sets

PHONO

input

terminals,

labeled

and

respectively.

When

using

turntable

equipped

with

moving

magnet

(MM)

type

cartridge,

use

the

PHONO

terminals.

When

u$ir>g

turntable

with

type

cartridge,

use

the

PHONO

termiruls.

you

have

two

turntables,

one

with

type

cartridge

arKf

the

other

with

type,

you

may

connect

both

units

simultaneously.

(with

Moving

Magnet

Cartridge)

SWITCHES

AND

CONTROLS

(1)

Power

Button

Depress

this

button

turn

the

power

the

unit.

Press

the

button

second

time

release

arxJ

cut

off

the

power.

(2)

Power

Indicator

Glows

when

power

turned

with

the

power

button.

(3)

Headphone

Jack

For

private

listening,

plug

your

headphones

into

this

jack,

which

cuts

off

the

sound

from

speakers.

The

volume

the

headphone

sound

can

regulated

with

the

volume

control.

(4)

Volume

Control

Used

regulate

the

volume

level.

Turn

clock¬

wise

increase

the

volume,

and

counter¬

clockwise

reduce

it.

This

dual

con¬

centric

knob

which

permits

either

separate

combined

adjustment

both

channels.

(5)

Mode

Selector

Used

selea

the

reproducing

mode

the

stereo

signal

fed

into

the

unit.

STEREO

posi¬

tion

for

rtormal

stereo

reproduction,

and

MONO

position

for

morK)phonic

reproduction.

When

the

selector

set

MUTE

position,

output

the

unit

cut

off,

and

r>o

sound

will

heard.

(6)

Tape

Monitor

Selector

Used

listen

signal

supplied

from

the

tap>e

deck.

Set

the

selector

TAPE

position

for

the

signal

from

tape

deck

connected

TAPE

terminals

the

rear

parcel,

and

set

TAPE

for

the

deck

connected

TAPE

terminals.

When

set

the

”

position,

you

can

perform

tape-to-tape

copying

from

the

TAPE

the

TAPE

deck.

Likewise,

the

►

V’

position

permits

copying

from

the

TAPE

the

TAPE

deck.

sure

set

this

selector

OFF

when

listen¬

ing

source

selected

the

Input

selector.

(7)

Input

Selector

Selects

input

signal

fed

through

the

component

conr>ected

PHONO

MM,

PHONO

MC,

TUNER,

and

terminals

the

rear

panel.

Set

the

appropriate

position

according

the

source

you

desire.

Note

that

this

selector

operable

when

the

Tape

Monitor

selector

set

the

OFF

position.

OPERATION

•

Before

comnrMncing

operation,

check

see

all

connections

are

properly

made.

•

Always

sure

set

the

volume

control

the

minimum

position

before

turnirtg

power.

Listening

from

turntable

Set

Tape

Monitor

selector

OFF.

Set

Input

selector

position

for

turntable

connected

PHONO

terminals,

and

position

for

turntable

connected

PHONO

terminals.

Start

playing

turntable,

arid

raise

the

volume

the

desired

level.

Listening

from

compact

disc

player

tuner

Set

Tape

Monitor

selector

OFF.

listen

compact

disc,

set

the

Input

selector

the

position;

set

the

TUNER

position

listen

radio

broadcasts.

Play

the

compact

disc

tune

the

desired

station,

according

instructions

given

for

the

equipment.

Raise

the

volume

the

desired

level.

Playing

back

tape

deck

Set

Tape

Monitor

selector

TAPE

position

according

the

tape

deck

you

are

going

play

back.

Start

playback.

Raise

the

volume

the

desired

level.

Recording

program

source

Play

the

desired

program

source

according

the

procedures

mentioned

above.

The

signal

from

the

source

will

sent

through

TAPE

MONITOR

OUT

terminals

unit's

rear

panel.

Put

the

tape

deck

the

record

mode

record

the

sigr^l.

During

recording,

operation

Volume

control,

and

Mode

selector

will

have

effect

the

sigr>ai

beirvg

sent

through

TAPE

MONITOR

OUT

terminals.

Dubbing

connectirtg

two

tape

decks.

dubbir>g

(tape-

to-tape

copying)

prerecorded

tapes

can

performed.

The

unit

allows

two

modes

dub¬

bing:

from

TAPE

deck,

and

TAPE

deck.

Set

Tape

Monitor

selector

►

■

'2P-1".

Play

back

TAPE

(or

TAPE

deck,

and

put

TAPE

(or

TAPE

deck

record

mode,

then

dubbing

starts.

During

this

oper¬

ation,

you

can

listen

the

sigrtal

with

Volume

control

Mode

selector

set

desired;

they

have

effect

the

signal

recorded.

HUM

AND

NOISE

any

high

fidelity

installation,

hum

may

caused

the

interconnection

turntable,

tuner

and

amplifier,

and

speakers

the

result

wiring,

different

grounding

location

components.

Before

commencing

operation,

absolutely

sure

that

connection

between

each

component

properly

made,

and

each

RCA

jack

securely

inserted.

Since

noise

from

fluorescent

lamps

thermo¬

stats

may

picked

up.

the

location

the

audio

system

should

carefully

selected.

case

you

cannot

locate

the

cause

noise,

consult

your

dealer.

PROTECTION

CIRCUIT

The

unit

incorporates

protection

relay

circuit

prevent

popping

noise

from

being

gener¬

ated

upon

turnir>g

the

power.

Upon

turn-on,

sound

produced

for

several

seconds.

This

for

the

stabilization

the

unit

arxf

rK>t

abnormal

operation.

SPECIFICATIONS

VOLTAGE

SELECTION

Not

available

for

U.K.,

Canada

and

Scandinavia

The

unit

variable

voltage

equipment

that

can

run

120V,

220V

240V

power

supply.

Your

unit

should

already

preset

the

proper

voltage

for

use

your

area.

However,

you

move

area

where

the

power

supply

voltage

different,

consult

your

dealer.

Total

Harmonic

Distortion.No

than

0.004%

(20

20,000

Hz)

CD/TUNER

(Rated

output)

Intarmodulation

Distortion.No

than

0.004%

(60

kHz

:1)

CD/

(Rated

output)

TUNER

Output

(Headphone).4

ohms

Input

Sensitivity/Impedance:

PHONO

(Mid).2.5

mV/47

kohms

PHONO

(MC).350

<iV/150

ohms

CD.450

mV/15

kohms

TUNER,

TAPE

MONITOR

.150

mV/33

kohms

Output

Sensitivity/lmpedance.

.1.0

V/1.2

kohms

Overload

Level

(T.H.D.

0.5%.

kHz);

PHONO

(MM).150

PHONO

(MC).20

CD,

TUNER,

TAPE.5V

Frequency

Response:

PHONO.40

100,000

Hz,

t0.2dB

(RIAASTD)

CD,

TUNER,

TAPE..

100,000

Hz,

+0dB,

-3dB

Signal'tO'Noise

Ratio

(IHF,

network):

PHONO

(MM).7BdB

PHONO

(MC).64

CD,

TUNER,

TAPE.95

Power

Consumption.20

watts

Dimensions

(overall).430

(W)

(H)

317

(D)

16-5/16”

2-19/32"

12-15/32"

Weight

(net).5.2

k9/11.44lbs.

•

Specifications

and

design

subject

possible

modification

without

notice.

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