Rotel RB-890 Manual de usuario

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STEREO

CONTROL

AMPLIFIER

RB-890

owners,

manual

ENGLISH....

2

DEUTSCH.

S

FRANQAIS..*..

8

...

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.

--

SAFETY

INSTRUCTIONS

CAUTION

RISK

OF

ELECTRIC

SHOCK

DO

NOT

OPEN

CAUTION:

TO

REOUCE

THE

RISK

OF

ELECTRIC

SHOCK.

DO

NOT

REMOVE

COVER

(OR

BACK).

NO

USER-SERVICEABLE

PARTS

INSIDE.

REFER

SERVICING

TO

QUALIFIED

SERVICE

PERSONNEL

•

Explanation

ot

Graphical

Symbols

/m\

The

lightning

flash

with

arrowhead

symbol,

within

an

/m

\

equilateral

triangle,

is

intended

to

alert

you

to

the

/

04

\

presence

of

uninsulated

dangerous

voltage

within

the

/

f

\

product

a

enclosure

that

may

be

of

sufficient

magnitude

/

A

\

lo

constitute

a

risk

ol

electric

shock

to

persons

/

m\

The

exclamation

poml

within

an

equilateral

triangle

is

/

I

\

intended

to

alert

you

to

ihe

presence

ot

important

/

I

\

operating

and

maintenance

(servicing)

instructions

in

the

/

I

\

literature

accompanying

the

appliance

/

*

\

EXCLUSIVE

NOTE

FOR

U.K.

If

your

unit

comes

with

a

2-core

cable

without

a

plug,

make

certain

live

and

neutral

leads

are

connected

to

the

proper

terminals.

Check

that

the

terminals

are

screwed

down

firmly

and

no

loose

strands

of

wire

are

present,

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

ap¬

paratus

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

BLUE

or

BLACK.

The

wire

which

is

coloured

BROWN

must

be

connected

to

the

terminal

which

is

marked

with

the

letter

L

or

colour

BROWN

or

RED

1,

Read

Instructions—

Ail

the

safety

and

operating

instate*

tions

should

bo

read

before

the

appliance

is

operated.

2.

Retain

Instructions

—

The

safety

and

operating

instruc¬

tions

should

be

retained

for

future

reference

3,

Head

Warnings

—

All

warnings

on

the

appliance

and

in

the

operating

instructions

should

be

adhered

to.

4.

Follow

Instructions

—

All

operating

and

other

instructions

should

be

followed

5*

Water

and

Moisture

—

The

appliance

should

noi

be

used

near

water

—

for

example,

near

a

bathtub,

washbowl,

kitchen

sink,

laundry

tub.

in

a

wet

basement,

or

near

a

swimming

pool,

etc

6.

Carts

and

Stands

—

The

appliance

should

be

used

only

with

a

carl

or

stand

that

is

recommended

by

the

manufacturer

7.

Wall

or

Ceiling

Mounting

—

The

appliance

should

be

mounted

to

a

wall

or

ceiling

only

as

recommended

by

the

manufacturer.

8.

Ventilation

—

The

appliance

should

be

situaied

so

that

its

location

or

position

does

not

interfere

with

its

proper

ventilation.

For

example,

the

appliance

should

not

be

situated

on

a

bed,

sofa,

rug.

or

similar

surface

that

may

block

the

ventilation

openings;

or

placed

in

a

built-in

in¬

stallation,

such

as

a

bookcase

or

cabinet

that

may

im¬

pede

the

flow

of

air

through

the

ventilation

openings

9.

Heat

—

The

appliance

should

be

situated

away

from

heat

sources

such

as

radiators,

stoves,

or

other

appliances

that

produce

heat

10.

Power

Sources

—

The

appliance

should

be

connected

to

a

power

supply

only

of

the

type

described

in

the

oper¬

ating

instructions

or

as

marked

on

the

appliance.

11.

Rower-Cord

Protection

—

Power-supply

cords

should

be

routed

so

that

they

are

not

likely

to

be

walked

on

or

pinched

by

items

placed

upon

or

against

them,

paying

particular

attention

to

cords

at

plugs,

convenience

recep¬

tacles,

and

the

point

where

they

exit

from

the

appliance.

12.

Cleaning

—

The

appliance

should

be

cleaned

only

as

recommended

by

the

manufacturer.

13.

Nonuse

Periods

—

The

power

cord

of

the

appliance

should

be

unplugged

from

the

outlet

when

left

unused

for

a

tong

period

of

time.

14.

Object

and

Liquid

Entry

—

Care

should

he

taken

so

that

objects

do

not

fall

into

and

liquids

not

spilled

into

the

in¬

side

of

the

appliance

15.

Damage

Requiring

Service

—

The

appliance

should

be

serviced

by

qualified

service

personnel

when:

A,

The

power-supply

cord

or

the

plug

has

been

damaged;

or

B

Objects

have

fallen,

or

liquid

has

been

spilled

into

the

appliance,

or

C.

The

appliance

has

been

exposed

to

rain;

or

D.

The

appliance

does

not

appear

to

operate

normally

or

exhibits

a

marked

change

in

performance;

or

E.

The

appliance

has

been

dropped,

or

the

cabinet

damaged,

16.

Servicing

—

The

user

should

noi

attempl

to

service

the

appliance

beyond

those

means

described

in

the

oper¬

ating

instructions

All

other

servicing

should

be

referred

to

qualified

service

personnel

17.

Grounding

or

Polarization

—

The

precautions

that

should

be

taken

so

that

the

grounding

or

polarization

means

of

an

appliance

is

not

defeated

1

ENGLISH

STEREO

POWER

AMPLIFIER

RB-890

INTRODUCTION

Weal

Rotel

want

to

thank

you

for

purchasing

our

audio

product.

Rotel

audio

products

are

designed

(o

use

the

latest

electronic

technology,

and

they

incorpo

rate

our

tong

experience

as

a

specialist

manufac¬

turer

of

audio

equipment

We

are

confident

that

you

will

find

satisfaction

in

the

high

qualily

sound

and

top

performance,

and

that

you

will

find

pleasure

m

the

functional

beauty

achieved

through

hum

an-engineering

concept.

Before

starling

operation,

please

read

this

instruction

manual

thoroughly

and

acquaint

yourself

with

(he

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

lor

maximum

safely:

1.

Use

a

wall

outlet

tor

power

supply

Be

sure

to

connect

the

AC

line

cord

to

a

house¬

hold

wall

outlet

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

ventilaiion

holes

at

the

top

and

bottom

of

the

unit

Be

Sure

also

to

provide

ample

ventilation

space

around

the

unit.

Poor

ventila¬

tion

may

result

in

damage

due

to

excessive

heat

4.

Do

not

open

the

cabinet

In

order

to

avoid

electric

shock

or

damage

to

the

component,

never

open

ihe

cabinet.

It

a

foreign

object

falls

inside

the

uhit

by

mistake,

turn

Ihe

power

off,

disconnect

ihe

wall

plug,

and

consult

a

qualified

electrician

or

your

dealer.

5.

Installation

Be

sure

to

place

the

unii

in

a

level

and

flat

place

where

it

is

free

from

humidity,

vibration,

high

tem¬

perature

and

not

exposed

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

ft

the

unii

should

get

wet,

immediately

discon¬

nect

Ihe

AC

cord,

and

consult

your

dealer

or

a

qualified

electrician.

3,

Cleaning

and

maintenance

Do

not

use

chemicals

such

as

benzine

or

thinnerson

the

from

panel

Always

use

a

soft,

dry

cloth

to

dean

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.

EXCLUSIVE

NOTE

FOR

U.K.

If

your

unit

comes

with

a

2-core

cable

without

a

plug,

make

certain

live

and

neutral

leads

are

connected

to

the

proper

terminals

Check

that

the

terminals

are

screwed

down

firmly

and

no

loose

strands

of

wire

are

present.

IMPORTANT:

The

wires

in

this

mains

lead

are

coloured

in

accordance

with

ihe

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

wilh

the

letter

N

or

coloured

BLUE

or

BLACK.

The

wire

which

is

coloured

BROWN

must

be

connected

to

the

terminal

which

Is

marked

with

the

letter

L

or

coloured

BROWN

or

RED.

CONNECTING

PREAMPLIFIER

Using

RCA

pin

cords,

connect

preamplifier

out¬

put

terminal

“L"

(left)

with

the

RB-890's

INPUT

terminal

"L",

and

the

preamplifier

output

termi¬

nal

"R"

(right)

with

the

RB-BSQ's

INPUT

terminal

'"Ft".

SPEAKERS

Use

speaker

systems

with

impedance

ratings

of

4-16

ohms,

Before

hooking

up

your

speaker

sys¬

tem,

be

sure

to

check

its

impedance,

which

should

be

indicated

either

on

the

back

of

the

speaker,

or

in

the

speaker

instruction

manual.

HOOKING

UP

SPEAKERS

Connect

the

speaker

leads

ol

the

right-hand

speaker

to

"

+

"

and

-

1

'

of

terminals

Of''

R

".

and

the

speaker

leads

of

the

left-hand

speaker

to

"

+

"

and

of

’’L"

Make

sure

each

‘

+

"

speaker

lead

is

connected

to

"

■

+-"

terminal,

and

,H

-

t

F

lead

to

the

11

*"

terminal.

Strip

1.0cm

(3/8")

of

Ihe

polyvinyl

chloride

insulation

from

the

end

of

each

speaker

lead

Twist

the

exposed

strands

tightly,

and

secure

the

end

with

a

touch

of

solder

To

conned

speaker

lead

to

the

speaker

terminal

of

the

amplifier,

rotate

the

speaker

terminal

knob

counterclockwise

to

loosen,

insert

the

stripped

end

of

the

lead,

and

firmly

tighten

the

knobonto

the

lead

2

When

using

the

unit

as

a

monaural

power

amplifier

(BTL

connection)

Conned

'

+

1

speaker

lead

to

‘

”

termi¬

nal

of

"C\

and

lead

to

+

”

termi¬

nal

of

"FT

Snip

1.0

cm

(3/6

*)

of

the

polyvinyl

chlo¬

ride

insulation

from

the

end

of

each

speak¬

er

lead.

Twist

the

exposed

strands

tightly

1

and

se¬

cure

the

end

with

a

touch

of

solder

To

connect

speaker

lead

to

the

speaker

terminal

of

the

amplifier,

rotate

the

speaker

terminal

knob

counterclockwise

to

loosen,

insert

the

stripped

end

of

the

lead,

and

firmly

tighten

the

knob

onto

the

lead

Locale

STEREO/BRIDGED

MONO

selec¬

tor

on

the

rear

panel,

and

set

it

to

BRIDGED

MONO

position.

In

this

mode,

the

INPUT

terminal

V'

(left)

of

the

RB-890

becomes

a

monaural

input

terminal.

To

this

terminal,

connect

preamplifier

output

terminal

1

V

*

(left)

or

’R"

(right),

using

a

pin

cord

The

RB-890's

INPUT

terminal

"L”

is

not

used

Caution;

In

BTL

connection,

the

potential

level

ol

the

RB-890

'BRIDGED-’

1

("

+

’’

ter

minal

of

‘

R’)

speaker

terminal

is

not

iden¬

tical

with

ground

When

using

the

unit

as

a

monaural

power

amplifier

in

that

connec¬

tion,

connect

speaker

system

to

the

speak¬

er

terminals

directly.

Do

not

attempt

to

set

a

speaker

selector

unit,

etc.,

nor

connect

speaker

leads

to

another

leads,

other

ter¬

minal

or

other

metal

part

SWITCH

AND

INDICATORS

(1)

Power

Button

Press

the

upper

part

of

this

button

to

turn

on

the

power

in

the

unit.

Press

the

lower

part

to

cut

off

the

power.

(2)

Power

Indicator

Glows

when

power

is

turned

on

with

the

power

button.

(3)

Protection

Indicator

The

indicator

normally

lights

for

several

seconds

upon

turning

on

the

power.

When

the

indicator

goes

off,

it

means

the

unit

is

in

the

normal

operating

state.

The

indicator

glows

when

abnormally

high

tem¬

perature

is

built

up

inside

the

unit.

In

such

a

case,

the

indicator

will

remain

on

until

the

temperature

inside

the

unit

drops

to

a

normal

level.

When

the

indicator

goes

offT

it

indicates

the

unit

has

returned

to

the

normal

operating

state.

OPERATION

•

Before

commencing

operation,

check

to

see

if

all

connections

are

properly

made.

•

Before

turning

on

the

power

in

the

unit,

always

be

sure

to

turn

down

the

preamplifier

volume

control

to

minimum.

1.

Turn

on

the

preamplifier.

2.

Turn

on

the

RB-890.

3.

Reproduce

a

desired

source,

and

raise

the

volume

level

on

the

preamplifier.

HUM

AND

NOISE

In

any

high

fidelity

installation,

hum

may

be

caused

by

the

interconnection

of

a

turntable,

tuner

and

amplifier,

and

speakers

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

connections

or

by

running

the

cables

too

close

to

strong

AC

field.

When

your

unit

picks

up

noise

during

the

recep¬

tion

of

broadcasts,

causes

are

mostly

due

to

ex¬

ternal

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.

PROTECTION

CIRCUIT

The

RB-890

incorporates

thermal

protector

to

prevent

accident

or

damage.

If

for

some

reason

the

protection

circuit

is

activated,

there

will

be

a

sudden

cut-off

of

sound

from

the

speakers,

and

the

protection

indicator

will

light

up.

If

no

sound

is

produced,

the

reason

may

be

due

to

the

functioning

of

the

protection

circuit.

First,

turn

off

the

power

and

disconnect

the

plug

from

the

electrical

outlet.

Then

locate

and

remedy

the

cause

of

the

trouble.

When

the

thermal

protec¬

tor

is

activated,

the

unit

will

start

functioning

au¬

tomatically

after

the

temperature

is

lowered

again.

If

the

protection

circuit

is

activated

again

despite

taking

the

above

action,

cut

off

the

power

sup¬

ply

from

your

entire

audio

system

and

consult

your

dealer

or

a

qualified

electrician.

Note:

The

protection

circuit

will

normally

oper¬

ate

to

prevent

a

popping

noise

from

being

gener¬

ated

upon

turning

on

the

power.

No

sound

is

produced

for

several

seconds

after

turn-on

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

Continuous

Power

Output

160

watts*

per

channel,

min.

RMS

both

channels

driven

into

8

ohms

from

20

to

20,000

Hz

with

no

more

than

0.03%

total

harmonic

distortion.

Rated

power

output

(BTL

connection)....

360Watts(mono)

min.RMS

driven

into

8

ohms

from

20

to

20,000

Hz

with

no

more

than

0.03%

total

harmonic

distortion

DIN

Power

Output

280

watts

per

channel

(1

kHz,

4

ohms,

1%

THD)

Total

Harmonic

Distortion

No

more

than

0.03%

(continuous

rated

(20

to

20,000

Hz)

power

output)

No

more

than

0.03%

(continuous

1/2

rated

power

output)

No

more

than

0.03%

(1

watt

per

channel

power

output,

8

ohms)

Intermodulation

Distortion.No

more

than

0.03%

(continuous

rated

(60

Hz

:

7

kHz

=

4:1)

power

output)

No

more

than

0.03%

(continuous

1/2

rated

power

output)

No

more

than

0.03%

(1

watt

per

channel

power

output,

8

ohms)

Output:

Speaker

4-16

ohms

Damping

Factor

380

(20

to

20.000

Hz,

8

ohms)

Input

Sensitivity/Impedance.1.0V/22

kohms

Frequency

Response

.15

to

130,000

Hz,

+

0

dB,

-1.0

dB

Signal-to-Noise

Ratio

(IHF,

A

network).120

dB

Power

Requirement.120V/60

Hz,

220V/50

Hz,

240V/50

Hz,

or

120,

220,

240V/50-60

Hz

(depending

on

destinations)

Power

Consumption

800

watts

Dimensions

(overall)

430

(W)

x

109

(H)

x

349

(D)

mm

16-15/16"

x

4-11/16"

x

16-15/16"

Weight

(net)

.13.0

kg/28.7

lbs.

•

Specifications

and

design

subject

to

possible

modification

without

notice.

•

*

Measured

pursuant

to

the

Federal

Trade

Commission’s

Trade

Regulation

Rule

on

Power

Claims

for

Amplifiers

(applicable

to

the

U

S

A

only).

4