Rotel RB-870BX Manual de usuario

STEREO

POWER

AMPLIFIER

RB-870BX

owners,

manual

ENGLISH.

DEUTSCH.

FRAN9AIS.

B*IS.

WARNING

PREVENT

FIRE

SHOCK

HAZARD,

NOT

EXPOSE

THIS

APPLIANCE

RAIN

MOISTURE

Write

your

SERIAL

NUMBER

here.

The

number

located

near

the

name

plate

the

rear

panel.

SAFETY

INSTRUCTIONS

CAUTION

RISK

ELECTRIC

SHOCK

NOT

OPEN

CAUTION;

REDUCE

THE

RISK

ELECTRIC

SHOCK,

NOT

REMOVE

COVER

(OR

BACK).

USER-SERVICEABLE

PARTS

INSIDE.

REFER

SERVICING

QUALIFIED

SERVICE

PERSONNEL

•

Explanation

Graphical

Symbols

/g\

The

lightning

Hash

with

arrowhead

symbol,

within

equilateral

triangle,

intended

alert

you

the

presence

uninsulated

'dangerous

vottage"

wtthm

the

product

enclosure

that

may

sufficient

magmtudo

cons,rtu1e

•

rt5k

•’•

c,r

*****

rson5

The

exclamation

point

within

equilateral

triangle

intended

alert

you

the

presence

important

operating

and

maintenance

(servicing)

instructions

the

literature

accompanying

the

appliance

EXCLUSIVE

NOTE

FOR

U.K.

your

unit

comes

with

2-core

cable

without

plug,

make

certain

live

and

neutral

leads

are

connected

the

proper

terminals.

Check

that

the

terminals

are

screwed

down

firmly

and

loose

strands

wire

are

present.

IMPORTANT

The

wires

this

mains

lead

are

coloured

accordance

with

the

following

code:

BLUE:

NEUTRAL

BROWN:

LIVE

the

colours

the

wires

the

mains

lead

this

ap¬

paratus

may

not

correspond

with

the

coloured

markings

identifying

the

terminals

your

plug

proceed

follows.

The

wire

which

coloured

BLUE

must

connected

the

terminal

which

marked

with

the

letter

coloured

BLUE

BLACK.

The

wire

which

coloured

BROWN

must

connected

the

terminal

which

marked

with

the

letter

colour

BROWN

RED.

Read

Instructions—

All

the

safety

and

operating

instruc¬

tions

should

read

before

the

appliance

operated

Retain

Instructions

—

The

safety

and

operating

instruc¬

tions

should

retained

for

future

reference.

Head

Warnings

—

All

warnings

the

appliance

and

the

operating

instructions

should

adhered

to.

Instructions

—

All

operating

and

other

instructions

should

followed.

Water

and

Moisture

—

The

appliance

should

not

used

near

water

—

for

example,

near

bathtub,

washbowl,

kitchen

sink,

laundry

tub.

wet

basement,

near

swimming

pool,

etc

Carts

and

Stands

—

The

appliance

should

used

only

with

cart

stand

that

recommended

the

manufacturer

Wall

Ceiling

Mounting

—

The

appliance

should

mounted

wall

ceiling

only

recommended

the

manufacturer.

Ventilation

—

The

appliance

should

situated

that

its

location

position

does

not

interfere

with

its

proper

ventilation.

For

example,

the

appliance

should

not

situated

bed.

sofa,

rug.

similar

surface

that

may

block

the

ventilation

openings;

placed

built-in

in¬

stallation,

such

bookcase

cabinet

that

may

im¬

pede

the

flow

air

through

the

ventilation

openings.

Heat

—

The

appliance

should

situated

away

from

heat

sources

such

radiators,

stoves,

other

appliances

that

produce

heat.

10.

Power

Sources

—

The

appliance

should

connected

power

supply

only

the

type

described

the

oper¬

ating

instructions

marked

the

appliance.

11.

Power-Cord

Protection

—

Power-supply

cords

should

routed

that

they

are

not

likely

walked

pinched

items

placed

upon

against

them,

paying

particular

attention

cords

plugs,

convenience

recep¬

tacles.

and

the

point

where

they

exit

from

the

appliance.

12.

Cleaning

—

The

appliance

should

cleaned

only

recommended

the

manufacturer.

13.

Nonuse

Periods

—

The

power

cord

the

appliance

should

unplugged

from

the

outlet

when

left

unused

for

long

period

time.

14.

Object

and

Liquid

Entry

—

Care

should

taken

that

objects

not

fall

into

and

liquids

not

spilled

into

the

in¬

side

the

appliance.

15.

Damage

Requiring

Service

—

The

appliance

should

serviced

qualified

service

personnel

when:

The

power-supply

cord

the

plug

has

been

damaged;

Objects

have

fallen,

liquid

has

been

spilled

into

the

appliance;

The

appliance

has

been

exposed

rain;

The

appliance

does

not

appear

operate

normally

exhibits

marked

change

performance;

The

appliance

has

been

dropped,

the

cabinet

damaged.

16.

Servicing

—

The

user

should

not

attempt

service

the

appliance

beyond

those

means

described

the

oper¬

ating

instructions.

All

other

servicing

should

referred

qualified

service

personnel.

17.

Grounding

Polarization

—

The

precautions

that

should

taken

that

the

grounding

polarization

means

appliance

not

defeated

STEREO

POWER

AMPLIFIER

RB-870BX

INTRODUCTION

Rotel

want

thank

you

for

purchasing

our

audio

product.

Rotel

audio

products

are

designed

use

the

latest

electronic

technology,

and

they

incorporate

our

long

experience

specialist

manufacturer

audio

equipment.

are

confident

that

you

will

find

satisfaction

the

high

quality

sound

and

top

performance,

and

that

you

will

find

pleasure

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

us¬

ing

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

line

cord

house-hold

wall

out¬

let.

certain

that

the

outlet

voltage

matches

the

electrical

rating

the

unit,

found

the

rear

panel

name

plate.

Connecting

and

removing

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.

Installation

sure

place

the

unit

level

and

flat

place

where

free

from

humidity,

vibration,

high

temperature

and

not

ex¬

posed

direct

sunlight.

careful

not

place

the

unit

highly

enclosed

place

such

near

wall

bookshelf.

poor

ventilation

will

cause

undesirable

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

and

short

circuits.

the

unit

gets

wet

the

unit

should

get

wet,

immediately

disconnect

the

cord,

and

consult

your

dealer

qualified

electrician.

Cleaning

and

maintenance

not

use

chemicals

such

benzine

thinners

the

front

panel.

Always

use

soft,

dry

cloth

clean

the

unit.

Owner's

manual

Keep

the

owner's

manual

near

the

unit,

and

record

the

serial

number

(found

the

rear

panel)

the

cover.

SPEAKERS

Use

the

speaker

system

with

impedance

4-16

ohms.

The

speaker

impedance

indicated

the

speaker's

inscription

plate

the

instruction

manual

the

speaker

system.

SPEAKERS

AND

PREAMPLIFIER

CONNECTION

This

unit

designed

capable

bridge

connection.

Connections

and

the

switch

setting

the

rear

panel

when

this

unit

used

monaural

amplifier

making

bridge

connection

differ

from

those

when

this

unit

used

normal

stereo

power

amplifier.

Select

the

connections

and

switch

setting

according

your

use

this

unit.

USE

THIS

UNIT

NORMAL

STEREO

POWER

AMPLIFIER

Set

the

STEREO/BRIDGED

MONO

selector

STEREO.

Connect

the

speaker

cord

the

right

speaker

the

RIGHT

terminals

and

the

cord

the

left

speaker

the

LEFT

terminals

SPEAKERS

terminals.

Note

the

connection

lead

terminal

and

lead

terminal).

Using

two

cables

with

phono

connectors,

connect

the

OUTPUT

jack

the

preamplifier

the

INPUT

LEFT

jack

this

unit

and

the

OUTPUT

jack

the

preamplifier

the

INPUT

RIGHT

jack

this

unit.

USE

THIS

UNIT

MONAURAL

AMPLIFIER

MAKING

BRIDGE

CONNECTION

Set

the

STEREO/BRIDGED

MONO

selector

BRIDGED

MONO.

Connect

the

speaker

cord

the

left

speaker

the

SPEAKERS

terminals

the

RB-870BX

for

left

channel

and

the

cord

the

right

speaker

the

SPEAKERS

ter¬

minals

the

RB-870BX

for

right

channel.

The

lead

the

speaker

cord

should

connected

the

LEFT

(BRIDGED

terminal

and

the

lead

should

connected

the

RIGHT

(BRIDGED

terminal

Note:

The

potential

the

BRIDGED

terminal

this

unit

not

the

same

the

earth

potential

Connect

the

speaker

system

directly

this

unit

using

the

speaker

cords:

never

use

the

speaker

select

unit

something

similar.

Secure

the

speaker

cord

that

the

lead

the

cord

does

not

touch

the

other

terminal

the

metal

part

this

unit.

Using

two

cables

with

phono

connectors,

connect

preamplifier

two

RB-870BXS

Connect

the

OUTPUT

jack

the

preamplifier

the

INPUT

LEFT

jack

the

RB-870BX

for

left

channel

and

the

OUTPUT

jack

the

preamplifier

the

INPUT

LEFT

jack

the

RB-870BX

for

right

channel.

The

INPUT

RIGHT

jacks

are

not

used

the

bridged

connection.

HOW

CONNECT

THE

SPEAKER

CORDS

THE

SPEAKERS

TERMINALS

Strip

the

cord

end

and

twist

leads

firmly,

then

connect

the

SPEAKERS

terminal.

The

SPEAKERS

terminals

this

unit

are

screw

type

Turn

the

screw

counterclockwise

and

insert

the

cord

end.

Then

tighten

the

screw

firmly

turning

clockwise

that

the

speaker

cord

cannot

pulled

out

accidentally.

SWITCHES

AND

CONTROLS

(1)

Power

Button

Depress

this

button

turn

the

power

the

unit.

Press

the

button

second

time

release

and

cut

off

the

power.

(2)

Power

Indicator

Glows

when

power

turned

with

the

power

button

(3)

Protection

Indicator

The

indicator

normally

lights

for

several

seconds

upon

turn¬

ing

the

power.

When

the

indicator

goes

off.

means

the

unit

the

normal

operating

state.

The

indicator

glows

when

abnormally

high

temperature

built

inside

the

unit

such

case,

the

indicator

will

remain

until

the

temperature

inside

the

unit

drops

normal

level.

When

the

indicator

goes

off.

indicates

the

unit

has

returned

the

normal

operating

state.

(4)

Bridged

Mono

Indicator

Lights

when

using

this

unit

monaural

amplifier

making

bridge

connection.

OPERATION

•

Before

commencing

operation,

check

see

all

con¬

nections

are

properly

made.

•

Before

turning

the

power

the

unit,

always

sure

turn

down

the

preamplifier

volume

control

minimum.

Turn

the

preamplifier.

Turn

the

RB-870BX.

Reproduce

desired

source,

and

raise

the

volume

level

the

preamplifier.

HUM

AND

NOISE

any

high

fidelity

installation,

hum

may

caused

the

interconnection

turntable,

tuner

and

amplifier,

and

speak¬

ers

the

result

wiring,

different

grounding

locations

components.

hum

experienced

with

your

unit,

disconnect

everything

but

the

speakers

from

the

unit.

Plug

the

turntable

and

hum

howling

appears,

move

the

turntable

away

from

the

speakers

much

possible.

Note

hum

may

also

induced

defective

cable

connec¬

tions

running

the

cables

too

strong

field.

When

your

unit

picks

noise

during

the

reception

broad¬

casts,

causes

are

mostly

due

external

objects

such

fluorescent

lamps

and

house

appliances

using

motor

ther¬

mostat,

others

that

may

induce

the

noise.

Either

relocating

the

unit

away

from

the

noise

sources

using

improved

outdoor

antenna

may

readily

solve

fhe

problem.

the

event

you

cannot

find

the

cause,

consult

your

dealer

qualified

electrician.

PROTECTION

CIRCUIT

The

RB-870BX

incorporates

thermal

protector

prevent

accident

damage.

for

some

reason

the

protection

cir¬

cuit

activated,

there

will

sudden

cut-off

sound

from

the

speakers,

and

the

protection

indicator

will

light

up.

sound

produced,

the

reason

may

due

the

func¬

tioning

the

protection

circuit.

First,

turn

off

the

power

and

disconnect

the

plug

from

the

electrical

outlet.

Then

locate

and

remedy

the

cause

the

trouble.

When

the

thermal

pro¬

tector

activated,

the

unit

will

start

functioning

automatical¬

after

the

temperature

lowered

again.

the

protection

circuit

activated

again

despite

taking

the

above

action,

cut

off

the

power

supply

from

your

entire

audio

system

and

consult

your

dealer

qualified

electrician.

Note:

The

protection

circuit

will

normally

operate

prevent

popping

noise

from

being

generated

upon

turning

the

power.

sound

produced

for

several

seconds

after

turn-on.

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.

SPECIFICATIONS

Continuous

Power

Output

100

watts'

per

channel,

min.

RMS

both

channels

driven

into

ohms

from

20,000Hz

with

than

0.03%

total

harmonic

distortion.

DIN

Power

Output.

200

watts

per

channel

(1kHz,

ohms,

THD)

Peak

Current.50A

(0.1

ohms,

10/isec,

pulse).

Bridged

Power.

300

watts

(mono)

min.

RMS

driven

into

ohms

from

20,000Hz

with

than

0.05%

total

harmonic

distortion.

Total

Harmonic

Distortion

(20

20.000Hz).

than

0.03%

(con¬

tinuous

rated

power

output)

than

0.03%

(con¬

tinuous

rated

power

output)

than

0.03%

watts

per

channel

power

output,

ohms)

Intermoduration

Distortion

(60Hz:

7kHz

4:1).

than

0.03%

(con¬

tinuous

rated

power

output)

than

0.03%

(con¬

tinuous

1/2

rated

power

output)

than

0.03%

watt

per

channel

power

output,

ohms)

Output.

Speaker

ohms

nominal

Damping

Factor.

180

(20

20,000Hz,

ohms)

Input

Sensitivity/

Impedance.

1.0V/2

kohms

Frequency

Response.4

100,000

Hz,

+0.5dB,

-3.0dB

Signal-to-Noise

Ratio

(IHF

network).

110dB

Power

Requirement.

120V/60Hz,

220W50Hz,

240V/50HZ

120,

220,

240V/50Hz-60Hz

(switchable)

(depending

destinations)

Power

Consumption.

500

watts

Dimentions

(overall).

430

(W)

109

(H)

315

(D)mm

16-15/16'

4-7/32'

12-13/32'

Weight

(net).9

4kg/20

lbs.

•

Specifications

and

design

subject

possible

modification

without

notice.

Measured

pursuant

the

Federal

Trade

Commission's

Trade

Regulation

Rule

Power

Claims

for

Amplifiers

(applicable

the

U.S.A.

only).

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