Rotel Dolby pro logic rsp 970 User manual

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RSP

970

Dolby

Pro

Logic®

Surround

Sound

Preamplifier

Owners

Manual

Please

write

the

serial

number,

purchase

date

and

ROTEL/?/

fi

AUTHORIZED

DEALER

name

in

the

spaces

provided,

for

your

records.

Serial

Number_.

Purchase

date_.

ROTEL/!/AUTHORIZED

DEALER

_

SAFETY

INSTRUCTIONS

WARNING:

TO

REDUCE

THE

RISK

OF

FIRE

OR

ELECTRIC

SHOCK,

DO

NOT

EXPOSE

THIS

APPLIANCE

TO

RAIN

OR

MOISTURE.

CAUTION:

TO

REDUCE

THE

RISK

OF

ELECTRIC

SHOCK,

DO

NOT

REMOVE

COVER

(OR

BACK).

NO

USER-

SERVICEABLE

PARTS

INSIDE.

REFER

SERVICING

TO

QUALIFIED

SERVICE

PERSONNEL.

Explanation

of

Graphical

Symbols

The

lightning

flash

with

arrowhead

symbol,

within

an

equilateral

triangle,

is

intended

to

alert

the

user

to

the

presence

of

uninsulated

'dangerous

voltage'

within

the

product's

enclosure

that

may

be

of

sufficient

magnitude

to

constitute

a

risk

of

electric

shock

to

persons.

The

exclamation

point

within

an

equilateral

triangle

is

intended

to

alert

the

user

to

the

presence

of

important

operating

and

maintenance

instructions

in

the

literature

accompanying

the

appliance.

1.

Read

Instructions

-

All

the

safety

and

operating

instructions

should

be

read

before

the

appliance

is

operated.

2.

Retain

Instructions

-

The

safety

and

operating

instructions

should

be

retained

for

future

reference.

3.

Heed

Warnings

-

All

warnings

on

the

appliance

and

in

the

operating

instructions

should

be

adhered

to.

4.

Follow

Instructions

-

All

operating

and

use

instructions

should

be

followed.

5.

Water

and

Moisture

-

The

appliance

should

not

be

used

near

water

-

for

example,

near

a

bathtub,

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

cart

or

stand

that

is

recommended

by

the

manufacturer.

6A.

An

appliance

and

cart

combination

should

be

moved

with

care.

Quick

stops,

excessive

force

and

uneven

surfaces

may

cause

the

appliance

and

cart

combination

to

overturn.

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

situated

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

installation,

such

as

a

bookcase

or

cabinet

that

may

that..-

may

impede

the

flow

of

air

through

the

ventilation

openings.

9.

Heat

-

The

appliance

should

be

situated

away

from

heat

sources

such

as

radiators,

heat

registers,

stoves

or

other

appliances

(including

amplifiers)

that

produce

heat.

10.

Power

Sources

-

The

appliance

should

be

connected

to

a

power

supply

only

of

the

type

described

in

the

operating

instructions

or

as

marked

on

the

appliance,

11.

Grounding

or

Polarization

-

The

precautions

that

should

be

taken

so

that

the

grounding

or

polarization

means

of

an

appliance

is

not

defeated.

12.

Power-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

and

plugs,

convenience

receptacles

and

the

point

where

they

exit

from

the

appliance.

13.

Cleaning

-

The

appliance

should

be

cleaned

only

as

recommended

by

the

manufacturer.

14.

Nonuse

Periods

-

The

power

cord

of

the

appliance

should,

be

unplugged

from

the

outlet

when

left

unused

for

a

long

period

of

time.

15.

Object

and

Liquid

Entry

-

Care

should

be

taken

so

that

objects

do

not

fall

and

liquids

are

not

spilled

into

the’

enclosure

through

the

openings.

16.

Damage

Requiring

Service

-

The

appliance

should

be

serviced

by

qualified

factory-authorized

service

personnel

when:

•

The

power-supply

cord

or

the

plug

has

been

damaged

or

•

Objects

have

fallen,

or

liquid

has

been

spilled

into

the

appliance;

or

•

The

appliance

has

been

exposed

to

rain;

or

•

The

appliance

does

not

appear

to

operate

normally

or

exhibits

a

marked

change

in

performance:

or

•

The

appliance

has

been

dropped,

or

the

enclosure

damaged.

17.

Servicing

-

The

user

should

not

attempt

to

service

the

appliance

beyond

that

descnbed

in

the

operating

instructions.

All

other

servicing

should

be

referred

to

qualified

factory-authorized

service

personnel

PORTABLE

CART

WARNING

APPLICABLE

FOR

U.S.A.,

CANADA

OR

WHERE

APPROVED

TO

THE

USAGE.

CAUTION:

TO

PREVENT

ELECTRIC

SHOCK.

MATCH

WIDE

BLADE

OF

PLUG

TO

WIDE

SLOT,

FULLY

INSERT.

_

ATTENTION:

POUR

EVITER

LES

CHOCS

ELECTRIQUES.

INTRODUCE

LA

LAME

LA

PLUS

LARGE

DE

LA

FICHE

DANS

LA

BORNE

CORRESPONDANTE

DE

LA

PRISE

ET

POUSSER

JUSQU

AU

FOND.

i

SPEAKER

CONFIGURATION

SETTINGS

DURING

INITIAL

SET

UP

The

CENTER

MODE

switch

should

be

set

to

match

your

speaker

configuration.

The

NORMAL

setting

turns

the

CENTER

channel

speaker

ON.

This

setting

removes

the

bass

below

100

Hz

from

the

CENTER

speaker

and

makes

it

available

to

the

FRONT

LEFT

and

FRONT

RIGHT

speakers.

The

PHANTOM

setting

instructs

the

RSP

970

to

turn

the

CENTER

channel

speaker

OFF

and

divide

the

CENTER

channel

signal

equally

between

the

FRONT

LEFT

and

RIGHT

channels.

This

setting

is

to

be

used

only

when

no

center

channel

speaker

is

used.

The

WIDE

setting

turns

the

CENTER

channel

speaker

ON

and

instructs

the

RSP

970

to

provide

full

range

frequency

response,

including

bass

below

100

Hz,

to

the

CENTER

channel.

This

full

frequency

range

signal

will

overload

a

small

center

channel

speaker.

We

highly

recommend

that

you

listen

to

the

sound

quality

for

potential

bass

overload

from

smaller

CENTER

channel

speakers,

if

bass

is

played

through

them.

WIDE

should

only

be

chosen

with

a

CENTER

channel

speaker

that

is

a

full

frequency

range

design,

capable

of

playing

powerful

bass

notes

without

overloading.

If

you

use

a

SUBWOOFER

in

your

system,

it

should

have

a

variable

or

defeatable

crossover

so

that

it

can

be

adjusted

to

match

the

front

speakers

at

the

crossover

frequency.

We

suggest

defeating

the

crossover

built

into

the

subwoofer.

The

SUBWOOFER

low

pass

filter

output

is

-3

dB

at

120

Hz.

Bass

below

120

Hz

is

offered

to

the

two

SUBWOOFER

outputs

on

the

back

panel.

It

is

impossible

to

make

an

accurate

suggestion

for

all

combinations

of

speakers

and

subwoofer

settings

in

an

owners'

manual.

You

may

also

want

to

discuss

this

aspect

of

your

installation

and

speaker

selection

with

your

ROTEL/w

fi

AUTHORIZED

DEALER.

SETTING

CHANNEL

BALANCE

IN

YOUR

SURROUND

SOUND

SYSTEM

Using

the

remote

control,

choose

DOLBY

PRO

LOGIC

SURROUND

MODE

and

then

press

the

BAL

CHK

button.

The

speaker

settings

will

be

displayed

ON

SCREEN.

Each

time

the

BAL

CHK

button

is

pushed,

the

SPEAKER

channel

to

be

adjusted

will

change,

sequentially.

The

selected

channel

will

“flash'

on

and

off

in

the

ON

SCREEN

display.

During

BALANCE

CHECK,

the

range

of

volume

adjustment

available

is

from

0

to

-12

dB

for

each

channel.

Press

the

VOLUME

(

<,

>

)

buttons

to

make

the

volume

level

change

as

needed.

The

level

settings

will

be

displayed

ON

SCREEN

as

you

change

them.

The

volume

for

each

successive

channel

should

be

adjusted

by

using

the

remote

control

while

sitting

down

in

your

favorite

place.

All

of

the

channels

should

be

the

same

volume

level

from

the

main

listening

position.

This

does

not

mean

that

the

ON

SCREEN

number

shown

will

always

be

the

same

value

for

all

the

channels.

When

you

have

adjusted

all

the

channels,

or

cycled

through

the

settings,

the

display

ON

SCREEN

will

go

off.

For

best

resuits,

we

suggest

using

a

sound

pressure

level

(SPL)

meter

when

making

the

BALANCE

CHECK

settings.

An

inexpensive

ANALOG

sound

level

meter

(from

Radio

Shack®,

for

example)

will

be

excellent

for

this

purpose.

Listening

by

ear

will

not

be

as

accurate.

The

meter

controls

should

be

set

to

“slow’

and

“C-

weighting."

Holding

the

sound

level

meter

head

high

at

arms'

length,

set

all

channels

to

75

dB

SPL.

The

accurate

setting

of

channel

balance

is

very

important

and

will

affect

the

potential

for

realistic

playback

from

your

system.

DELAY

TIME

settings

should

be

set

at

this

time.

If

you

are

sitting

near

the

surround

speakers,

choose

a

longer

DELAY

time.

If

you

are

equidistant

from

the

FRONT

and

SURROUND

speakers,

choose

the

15

millisecond

delay

time.

Add

approximately

1

ms

for

every

foot

the

surround

speakers'are

closer

to

you.

Settings

available

are

15,

20,

25

and

30

milliseconds.

The

delay

time

is

included

to

establish

the

main

and

center

speakers

as

the

primary

signals.

The

“Haas

precedence

effect"

is

used

to

emphasize

the

front

speakers.

Because

of

the

delayed

signal

to

the

surround

channels,

you

hear

the

front

speakers

first.

They

take

precedence

and

localize

the

sound

images

as

coming

from

the

front

of

the

room.

Some

leakage

of

the

front

channels

into

the

surrounds

is

inherent

in

the

system.

The

delay

time

masks

this

small

amount

of

signal

from

the

front

appearing

in

the

surround

channels.

This

helps

make

the

surround

sound

experience

more

believable

and

enjoyable.

Sometimes

the

main

signal

will

come

from

the

SURROUND

speakers

during

special

effects.

Typically

though,

most

of

the

sound

will

be

from

the

FRONT

LEFT.

CENTER

and

FRONT

RIGHT

speakers.

With

most

Dolby

Surround

or

Dolby

Digital

movie

soundtracks,

the

SURROUND

speakers

will

not

be

on

all

of

the

time.

They

will

be

on

most

or

all

of

the

time

when

listening

to

music

surround

modes.

WHAT

IS

DOLBY

SURROUND

SOUND?

Thousands

of

popular

movies

have

been

released

with

Dolby

Surround

encoding

in

the

soundtrack.

Many

compact

discs

have

music

with

Dolby

Surround

or

other

surround

sound

encoding

on

them

also.

Dolby

Surround

is

a

3

A

REQUEST

FROM

All

OF

US

AT

ROTEL:

PLEASE

READ

THIS

USERS

MANUAL!

Thank

you

for

buying

our

RSP

970.

This

Dolby

Pro

Logic®

surround

sound

preamplifier

will

accurately

reproduce

your

music

and

movie

soundtracks.

It

is

a

natural

extension

of

our

well-known

passion

for

good

sound

and

love

of

music.

We

are

committed

to

making

quality

surround

sound

components

to

enhance

your

life.

We

have

been

designing

and

manufacturing

high

quality,

high

performance

audio

electronics

for

more

than

35

years.

We

believe

that

the

music

and

video

programs

played

through

your

surround

sound

system

will

be

a

source

of

enjoyment

to

your

family

and

friends

for

many

years

to

come.

The

RSP

970

has

been

designed

to

be

easy

to

use

and

to

accurately

recreate

the

original

input

signal

or

soundtrack.

It

will

provide

musidal

reproduction

of

the

information

in

radio

broadcasts,

Laser

Discs,

DVD

discs,

video

tapes,

audio

tapes

or

Compact

Discs.

Many

programs

on

satellite,

broadcast

or

cable

television

include

surround

sound

information

in

the

soundtrack.

Some

music

and

drama

shows

on

radio

include

surround

sound

information

as

well.

All

of

these

are

excellent

source

material

for

decoding.

Please

read

this

manual

carefully

to

ensure

proper

setup

and

installation.

We

appreciate

being

a

part

of

your

life!

FEATURES

OF

THE

RSP

970

SURROUND

SOUND

PREAMPLIFIER

Rotel

long

term

reliability

Highly

regulated

power

supply

Comprehensive

input

switching

User

friendly

“ON

SCREEN"

display

5.1

channel

input

for

Dolby

Digital

surround

sound

(from

the

Rotel

RDA

980)

Comprehensive

input

and

output

connections

on

the

back

panel

for

audio

and

video

With

the

creation

of

the

RSP

970,

we

have

attempted

to

offer

you

an

excellent

Dolby

Pro

Logic

surround

sound

preamplifier

at

a

very

reasonable

price.

WHERE

TO

FIND

INFORMATION

IN

THIS

OWNERS

MANUAL

SPEAKER

CONFIGURATION

AND

INITIAL

SET

UP

PAGE

3

USING

BALANCE

CHECK

PAGE

3

FRONT

PANEL

CONTROLS

.

PAGE

4

UNKING

SURROUND

MODES

TO

INPUTS

PAGE

5

5.1

CHANNEL

INPUT

PAGE

5

ON

SCREEN

DISPLAY

PAGE

5

REAR

PANEL

CONNECTIONS

PAGE

6

SPEAKER

TONAL

BALANCE

PAGE

7

SPEAKER

PLACEMENT

FOR

SURROUND

SOUND

PAGE

7

SUBWOOFER

PLACEMENT

PAGE

8

SPECIFICATIONS

PAGE

9

SUGGESTED

SPEAKER

LAYOUT

DRAWING

PAGE

9

TROUBLESHOOTING

PAGE

10

process

where

the

2

stereo

channels

contain

matrix

encoded

information

for

the

front,

center

and

rear

channels.

This

information

can

be

extracted

by

a

Dolby

Surround

decoder

during

playback

of

the

encoded

source

material.

We

have

incorporated

an

audiophile

quality

Dolby

Pro

Logic

decoder

for

the

best

possible

reproduction

of

this

information.

This

has

logic

steering

circuits

that

make

separation

of

the

channels

and

localization

of

the

sound

image

more

precise.

This

will

make

the

surround

sound

effects

more

realistic

and

entertaining.

Dolby

Surround

encoded

music,

movies

dr

sports

broadcasts

are

all

compatible

with

stereo

or

mono

playback.

They

offer

a

much

more

entertaining

rendition

of

the

source

material

when

decoded

by

a

Dolby

Pro

Logic

decoder

though.

INSTALLATION

>

Please

place

the

unit

on

a

DRY,

level

surface

away

from

direct

sunlight.

Avoid

placing

objects

on

top

of

the

cabinet.

Do

not

allow

water

to

fall

onto

it

as

this

could

damage

the

circuitry.

Avoid

installing

in

a

location

where

excessive

heat,

direct

sunlight,

humidity,

vibration

or

moisture

will

be

a

problem.

We

recommend

installation

in

furniture

designed

to

house

audio

and

video

components.

This

will

allow

the

RSP

970

to

be

installed

on

a

separate

shelf,

not

stacked

on

another

component.

This

will

minimize

potential

interference

or

heat

build

up

from

other

components

in

your

system.

Component

furniture

has

the

added

benefit

of

reducing

or

suppressing

vibration

and

all

audio

and

video

components

will

provide

improved

sound

when

free

from

vibration.

Component

furniture

will

improve

the

looks

of

many

system

installations,

provide

adequate

ventilation

for

amplifiers

and

isolation

for

components.

It

is

also

easier

to

dress

the

wires

to

reduce

interference

between

sensitive

audio/video

cables,

speaker

cables

and

power

cords

for

components.

Ask

your

ROTEL/j/

fi

AUTHORIZED

DEALER

for

advice

about

component

furniture

and

proper

installation

of

audio

and

video

components.

A

little

planning

and

careful

installation

will

have

great

benefits

in

the

way

your

system

sounds

and

functions.

A

properly

installed

system

will

be

a

source

of

great

pleasure

and

entertainment

to

your

family

and

friends

for

years

to

come.

Care

and

planning

during

installation

will

be

well

rewarded.

The

POWER

INDICATOR

LIGHT

will

illuminate

at

all

times

during

STANDBY

mode

when

AC

power

is

available

to

the

RSP

970.

The

power

light

will

extinguish

when

the

RSP

970

is

in

use.

When

in

STANDBY

mode,

the

RSP

970

will

remember

the

previously

chosen

input

and

output

selections.

CONTROLS

ON

THE

FRONT

PANEL

The

STANDBY

button

will

turn

the

SWITCHED

OUTLETS

and

the

sound

ON

and

OFF.

Push

it

once

and

the

switched

outlets

and

sound

will

turn

ON.

Press

the

STANDBY

button

again

and

the

switched

outlets

and

the

sound

will

be

OFF.

The

front

panel

includes

the

REMOTE

SENSOR

for

receiving

the

infra

red

signals

from

the

remote

control

handset.

Please

be

certain

not

to

block

this

as

the

remote

control

will

not

function

if

this

sensor

is

covered

or

blocked.

The

MASTER

VOLUME

control

adjusts

all

the

channels

at

the

same

time.

Channel

balance

between

channels

is

established

by

using

the

BALANCE

CHECK

during

INITIAL

SET

UP.

The

ON

SCREEN

display

will

show

the

MASTER

VOLUME

level

by

numerical

value.

Pushing

the

upper

half

of

the

volume

control

(

A

)

increases

the

volume

and

pushing

the

lower

half

of

the

volume

control

(

V

)

decreases

the

volume

in

all

channels.

The

MUTE

button,

on

the

remote

control

only,

will

silence

the

sound

output.

Press

it

once

to

MUTE

the

PREOUT

output

connections.

Press

the

MUTE

button

again

to

hear

sound

output.

The

ON

SCREEN

display

(and

an

indicator

light

on

the

front

panel)

will

show

the

word

MUTE

when

you

press

the

MUTE

button.

We

have

provided

INPUT

selector

buttons,

labeled

LISTENING,

on

the

front

panel.

LISTENING

selects

the

audio

or

video

source

in

the

main

room

and

for

RECORD

OUT

from

TAPE

OUT

connections

on

the

back

panel.

The

4

LISTENING

input

selected

is

displayed

by

a

front

panel

Light

Emitting

Diode

(LED)

and

in

the

ON

SCREEN

display.

LISTENING

inputs

may

be

chosen

by

using

the

front

panel

buttons

or

the

remote

control.

The

INPUT

LEVEL

controls

will

allow

you

to

match

the

volume

levels

of

various

inputs

to

the

same

volume

level.

To

set

these,

choose

the

input

you

wish

to

adjust

and

then

push

the

<

or

the

>

button

to

adjust

the

level.

After

you

set

the

levels,

it

is

easy

to

memorize

these

settings

for

individual

inputs.

Press

the

INPUT

selector

you

wish

to

memorize

and

hold

it

in

for

more

than

2

seconds.

The

ON

SCREEN

display

will

flash

the

word

MEMORIZED.

Changing

the

level

is

easy

and

can

be

reset

to

any

level

from

0

dB

to

-12

dB.

If

the

INPUT

selected

is

being

overloaded

by

a

strong

signal,

a

small

OVERLOAD

symbol

will

be

displayed

ON

SCREEN.

This

symbol

looks

a

little

like

a

light

bulb

with

light

rays

coming

from

it.

The

PEAK

light

on

the

front

panel

will

flash

if

the

input

level

is

too

high,

in

addition

to

the

on

screen

display.

Decrease

the

INPUT

LEVEL

control

until

this

symbol

turns

off.

BASS

and

TREBLE

tone

controls

are

provided

to

allow

you

to

adjust

the

tonal

balance

of

your

system

during

STEREO

MODE

operation.

The

tone

controls

are

defeated

during

surround

sound

or

5.1

INPUT

operation.

Turning

the

knob

clockwise

will

increase

the

BASS

or

TREBLE.

Turning

the

knob

counterclockwise

will

decrease

the

BASS

or

TREBLE.

The

TONE

button

is

a

tone

on/tone

defeat

button,

displayed

on

screen

as

TONE

when

you

press

it

ON.

BASS

EQ

is

provided

when

the

BASS

EQ

button

is

pushed.

This

boosts

the

bass

response

by

6

dB

at

40

Hz.

BASS

EQ

works

in

all

modes

of

stereo

or

surround

sound

operation.

BASS

EQ

will

also

function

during

5.1

INPUT

operation.

The

5.1

CH

INPUT

will

select

the

output

signal

from

the

optional

RDA

980

Digital

Adapter

for

DOLBY

DIGITAL

surround

sound.

When

this

button

is

pressed,

the

MASTER

VOLUME

LEVEL

display

will

show

in

the

on

screen

display

with

the

settings

that

are

ON

shown,

such

as

BASS

EQ

or

TONE.

When

using

the

5.1

CH

INPUT,

all

SURROUND

SOUND

MODE

selectsrs

on

the

front

panel

are

deactivated.

The

channel

balance,

bass

management,

dynamic

range

adjustment

and

speaker

time

alignment

for

Dolby

Digital

surround

sound

decoding

are

all

controlled

by

the

RDA

980

when

the

5.1

channel

input

is

chosen.

The

MUTE,

PEAK

and

REMOTE

lights

on

the

front

panel

are

provided

to

confirm

proper

operation

or

need

for

adjustment.

The

MUTE

light

will

illuminate

when

the

MUTE

function

is

in

use.

The

PEAK

level

light

shows

when

the

input

is

being

overloaded.

This

is

related

to

the

OVERLOAD

indicator

light

that

is

displayed

on

screen

and

is

controlled

by

the

INPUT

LEVEL

controls.

The

REMOTE

light

flashes

to

confirm

reception

of

a

remote

control

command

from

the

remote

control

handset.

The

VOLUME

LEVEL

display,

on

the

front

panel

above

the

VOLUME

control,

shows

a

numerical

value

for

the

VOLUME

LEVEL

setting.

This

numerical

readout

is

provided

as

a

convenience

to

show

a

visual

indication

of

the

relative

volume

level

setting.

If

your

neighbors

complain

about

The

wide

dynamic

range

of

your

favorite

soundtracks,

consider

inviting

them

over

to

enjoy

the

movie!

You

can

ask

them

to

bring

the

popcorn!

CONTROLS

ON

THE

RR

936

REMOTE

CONTROL

HANDSET

The

RR

936

remote

control

duplicates

the

control

buttons

on

the

front

panel.

In

addtion,

we

have

added

MUTE.

ON

SCREEN,

TONE

IN,

BAL-.CHK,

INPUT

sensitivity,

SUB

volume,

REAR

(Surround)

volume,

and

OUT

BAL

(output

balance)

buttons.

The

remote

control

makes

it

easy

to

control

the

-

RSP

970

from

your

favorite

listening

place.

SURROUND

MODE

LED

DISPLAY

/

ON

SCREEN

DISPLAY

IMPORTANT

USER

NOTE:

The

SURROUND

MODE

and

the

INPUT

selection

can

be

linked

together,

if

you

wish.

To

link

an

INPUT

to

a

particular

SURROUND

MODE

is

easy.

Choose

the

INPUT

you

wish

to

link

to

a

particular

SURROUND

MODE.

Press

the

SURROUND

MODE

button

on

the

remote

control

to

select

the

SURROUND

MODE

you

want.

Now,

press

the

selected

INPUT

button

continuously

until

the

VOLUME

readout

display

shows

two

small

horizontal

bars.

The

setting

has

now

been

entered

into

MEMORY.

For

example:

To

link

the

CD

input

to

STEREO

mode,

begin

by

choosing

CD

as

the

input.

Next,

choose

the

STEREO

mode

with

the

SURROUND

MODE

button

on

the

remote

control.

Then,

press

the

CD

mode

button

until

the

two

small

horizontal

bars

appear

in

the

VOLUME

readout

display.

Now

you

will

enter

STEREO

mode

when

you

select

the

CD

INPUT.

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The

front

pane!

has

LED

lights

for

indicating

the

SURROUND

MODE

in

use.

The

remote

control

will

cycle

through

the

SURROUND

MODES

in

sequence,

from

right

to

left.

We

have

included

MONO,

2

CH

STEREO,

MUSIC

MODES,

DOLBY

PRO

LOGIC

and

CINEMA

sound

modes.

(See

user

note

above)

MONO

is

for

AM

radio,

older

recordings,

movies

or

TV

programs

that

are

monophonic.

If

a

center

channel

speaker

is

used

in

your

system,

MONO

mode

will

send

sound

to

the

CENTER

speaker

only.

If

no

CENTER

speaker

is

used,

MONO

mode

will

send'the

sound

to

the

FRONT

LEFT

and

FRONT

RIGHT

speakers

only.

All

other

channels

are

muted.

The

2

CH

STEREO

mode

is

a

bypass

mode.

The

FRONT

LEFT

and

FRONT

RIGHT

speakers

are

ON.

All

other

channels

are

muted.

y

MUSIC

MODES

1,

2

or

3

delay

times

are

variable

from

15

to

20,

25

and

30

milliseconds.

The

apparent

reflectivity

and

absorption

of

the

surfaces

inside

the

surround

sound

acoustical

spaces

vary

according

to

the

mode

setting

and

delay

time

chosen.

Music

1

will

show

CLUB,

MUSIC

2

will

show

STADIUM

and

MUSIC

3

will

show

HALL

in

the

on

screen

display.

The

MUSIC

modes

have

been

written

to

extract

ambient

information

from

the

source

material.

The

labels

in

the

ON

SCREEN

display

are

only

an

approximation

of

the

acoustical

size,

reflectivity

or

absorption

of

the

venue

offered

by

the

MUSIC

settings.

Please

experiment

to

see

which

setting

is

most

pleasant

to

you

with

various

music

or

video

sources

that

are

not

DOLBY

SURROUND

encoded.

In

the

MUSIC

SURROUND

modes

ALL

the

speakers

in

your

system

are

ON.

The

DOLBY

PRO

LOGIC

setting

is

for

CD

discs,

rental

movies.

Laser

Discs,

DVD

discs,

radio

broadcasts

or

for

viewing

films

broadcast

in

stereo

with

DOLBY

SURROUND

encoding.

Any

DOLBY

SURROUND

encoded

movie,

radio

or

television

show

that

is

received

in

stereo

may

be

decoded

by

the

DOLBY

PRO

LOGIC

decoder.

The

full

directional

and

spatial

effects

of

the

DOLBY

SURROUND

encoded

source

material

will

be

reproduced

in

your

listening

room.

The

DELAY

TIME

settings

are

15,

20,

25

and

30

milliseconds.

If

you

are

sitting

nearer

to

the

surround

speakers

than

the

front

channels,

a

longer

delay

time

will

be

the

best

choice.

This

will

ensure

that

the

■

precedence

effect"

works

properly.

In

DOLBY

PRO

LOGIC

mode,

ALL

the

speakers

are

ON.

(see

SETUP)

The

CINEMA

mode

is

for

use

with

mono,

stereo,

or

stereo

hi

fi

movies

that

are

not

Dolby

Surround

encoded.

CINEMA

mode

has

normal

stereo

left

and

right

channels

in

front,

mono

left

plus

right

in

the

center

and

the

surround

channels

are

mono

with

delay

times

of

15,

20,

25

or

30

milliseconds,

as

with

Dolby

Pro

Logic.

We

have

tailored

the

frequency

response

of

to

make

it

similar

to

movie

filter

designs

suggested

by

various

movie

engineers

over

the

years.

The

bass

is

full

range,

the

mid

range

is

boosted

subtly

to

enhance

vocal

intelligibility

and

the

highest

frequencies

are

reduced,

to

eliminate

excessive

brightness.

If

you

are

watching

an

older

film

that

seems

“bright"

due

to

excessive

high

frequency

response,

you

might

find

that

the

CINEMA

mode

helps

you

to

enjoy

your

film

more.

The

ON

SCREEN

display

will

be

displayed

on

your

TV

screen

when

the

input

selector

buttons

on

the

remote

control

or

the

front

panel

are

pushed.

The

display

will

show

the

current

INPUT,

SRND

MODE,

DELAY

TIME,

TONE

and

the

MASTER

VOL

LEVEL

setting.

This

will

be

ON

SCREEN

for

approximately

5

seconds.

Any

changes

to

the

MASTER

VOLUME

setting

or

the

LISTENING

input

selected

will

activate

the

ON

SCREEN

display.

The

ON

SCREEN

display

has

a

blue

screen

background.

If

no

video

signal

is

offered,

it

will

use

the

blue

background

during

changes

of

settings

and

turn

the

blue

screen

off

afterwards.

CONNECTIONS

AND

CONTROLS

ON

THE

REAR

PANEL

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5.1

DIGITAL

SURROUND

SOUND

is

available

from

the

optional

RDA

980

DIGITAL

ADAPTER.

This

connects

with

a

DB

25

connecting

cable

from

the

RDA

980

to

the

5.1

CH

INPUT

on

the

back

panel.

The

RDA

980

is

6

designed

to

decode

DOLBY

Digital

surround

sound

from

a

Laser

Disc,

DVD

or

other

source

such

as

future

digital

video

tape

formats.

YELLOW

connectors

on

the

rear

panel

are

for

COMPOSITE

VIDEO

INPUTS

and

OUTPUTS.

WHITE

connectors

are

for

LEFT

CHANNEL

AUDIO

INPUTS

and

OUTPUTS.

RED

connectors

are

for

RIGHT

CHANNEL

AUDIO

INPUTS

and

OUTPUTS.

Please

observe

correct

connections

of

the

audio

and

video

connections

to

ensure

a

trouble

free

installation.

MONITOR

is

the

composite

video

output

from

the

RSP

970

to

your

television

video

input.

We

have

labeled

the

INPUT

and

OUTPUT

selectors

for

TUNER,

CD,

TAPE

IN

and

OUT,

AUX,

LD,

VIDEO

1,2

and

3.

All

inputs

and

outputs

are

at

line

level.

If

you

wish

to

use

a

turntable

with

the

RSP

970,

please

connect

an

external

phono

equalizer

such

as

the

Rotel

RQ

970

to

the

AUX

inputs.

Video

signals

have

very

wide

band

frequency

response.

We

sometimes

refer

to

video

signals

as

being

from

DC

to

light,

which

implies

extremely

wide

frequency

response

when

compared

to

the

audio

frequencies

that

people

can

hear.

Excellent,

well

shielded

75

ohm

video

cable

is

a

necessity

for

the

best

reproduction

of

your

video

source

material.

Poor

cables

(with

poor

frequency

bandwidth)

will

reduce

the

highest

video

frequencies

and

result

in

less

sharp

color

reproduction

and

detaii.

The

TAPE

IN

and

OUT

connections

are

for

use

with

an

analog

or

digital

recorder.

The

IN

connections

are

designed

to

receive

a

signal

from

your

recorder.

The

OUT

connections

send

a

signal

to

your

recorder.

FRONT,

CENTER,

SURROUND

(REAR)

and

SUBWOOFER

connections

are

for

connecting

to

your

5

channel

power

amplifier

or

multiple

mono

power

amplifiers.

Please

be

certain

to

connect

the

channels

correctly

for

proper

set

up

and

enjoyment

of

your

surround

sound

system.

The

THX®

certified

Rotel

RMB

100

MOSFET

mono

power

amplifier

would

be

an

excellent

choice

for

the

main

room

speakers

in

your

installation.

The

THX

certified

RB

985

is

an

excellent

5

channel

power

amplifier.

For

Dolby

Surround

or

5.1

digital

surround

system

use,

an

RMB

100

and

an

RB

985

offers

a

superb

solution

to

powering

the

5

main

speakers

and

a

subwoofer.

The

SWITCHED

AC

OUTLETS

provide

AC

power

to

source

components

only.

The

rating

for

power

consumption

is

800

watts

maximum.

The

outlets

would

be

an

excellent

place

to

connect

the

CONTROL

CORD

from

a

Rotel

RLC

900

AC

Power

Line

Conditioner.

(N.

America

only)

This

would

allow

the

source

components

or

power

amplifiers

connected

to

the

RLC

900

to

be

turned

ON

and

OFF

by

the

SWITCHED

OUTLET.

CD

players

or

cassette

decks

can

be

controlled

by

the

switched

outlets

if

you

do

not

use

an

RLC

900.

PLEASE

DO

NOT

CONNECT

A

POWER

AMPLIFIER

TO

THE

SWITCHED

OUTLETS!

TONAL

BALANCE

OF

SPEAKERS

FOR

A

SURROUND

SOUND

SYSTEM

Speakers

chosen

for

your

surround

sound

system

should

be

carefully

matched

for

tonal

balance.

The

criteria

we

use

at

Rotel

include

wide

frequency

response,

with

or

without

a

subwoofer,

smooth

octave

to

octave

tonal

balance,

low

distortion

at

normal

operating

levels,

clarity

and

definition.

They

should

be

closely

matched

to

each

other

in

tonal

balance,

have

good

sound

quality

for

voice

or

music

and

be

capable

of

playing

at

medium

to

loud

volume

levels

with

low

apparent

distortion.

Careful

auditioning

is

in

order.

We

strongly

suggest

that

the

tonal

balance

for

the

front

and

center

speakers

be

as

similar

as

possible.

Ideally,

they

should

have

exactly

the

same

tonal

balance.

The

surround

speakers

should

have

a

smooth

tonal

balance,

similar

to

the

other

speakers

in

your

system.

Choosing

surround

speakers

with

a

similar

tonal

balance

will

enhance

the

overall

effect

of

this

circuit.

This

helps

the

surround

speakers

blend

more

convincingly

with

the

front

and

center

channels.

If

careful

tonal

balance

matching

Is

done,

the

resulting

sound

field

will

sound

“seamless”

and

offer

superb

reproduction

of

the

music

and

soundtracks

that

you

own

or

rent.

If

the

sounds

‘pan"

across

the

front

channels,

the

image

will

not

change

apparent

size

or

tonal

balance

in

a

properly

matched

system.

This

aspect

of

speaker

selection

does

not

receive

enough

emphasis,

we

believe.

We

feel

that

matching

the

tonal

balance

of

all

the

speakers

in

a

surround

sound

system

is

crucial

to

the

final

results.

It

can

be

the

difference

between

an

OK

surround

sound

system

and

a

great

surround

sound

system.

Ask

your

knowledgeable

audiophile

or

videophile

friends

for

advice

about

this

or

your

ROTEL

hi

fi

AUTHORIZED

DEALER.

SPEAKER

PLACEMENT

FOR

A

SURROUND

SOUND

SYSTEM

Ideally,

all

the

FRONT

speakers

should

be

exactly

the

same

distance

from

your

main

listening

position.

This

necessitates

placing

the

FRONT

LEFT,

CENTER

and

FRONT

RIGHT

speakers

in

a

slight

arc;

not

in

a

straight

line

across

the

front

of

the

room.

If

they

are

installed

in

a

slight

arc,

greater

precision

in

imaging

and

better

integration

of

the

vocals

and

front

stereo

effects

will

be

audibly

apparent.

(When

in

5.1

mode,

CENTER

speaker

arrival

time

is

adjustable

with

controls

on

the

optional

RDA

980

digital

adapter

for

Dolby

Digital

sound.)

7

The

CENTER

channel

speaker

can

be

above

or

below

the

video

monitor,

depending

on

your

installation.

If

a

video

projector

and

an

acoustically

transparent

screen

are

used,

the

center

channel

speaker

can

be

behind

the

screen.

SURROUND

(REAR)

speakers

should

be

placed

to

the

sides

of

the

listener,

not

behind.

They

should

be

elevated

above

ear

level

if

possible.

The

SUBWOOFER(S)

will

require

some

experimentation

for

the

best

placement.

A

comer

may

be

the

easiest

location

for

installation

but

a

corner

may

not

provide

the

best

sound

integration

with

the

other

speakers.

One

advantage

of

corner

placement

is

reinforcement

of

the

low

frequencies

by

being

in

proximity

to

the

walls

and

floor.

Comer

placement

will

boost

the

apparent

sensitivity

of

the

subwoofer

by

as

much

as

6

dB,

which

will

save

amplifier

power.

It

may

also

b<4ost

mid

bass

output,

however,

which

could

be

undesirable.

(Read

the

owners

manual

included

with

your

subwoofer

for

further

information.)

CUSTOMER

SUBWOOFER

TUNING

NOTE:

An

easy

way

to

“tune”

for

extended

low

frequency

bass

response

is

to

place

the

SUBWOOFER

in

your

favorite

listening

spot

and

move

around

the

room

listening

for

the

“room

modes"

in

the

low

frequencies.

Some

parts

of

a

room

will

accentuate

bass

response

and

some

will

diminish

it,

depending

on

the

shape

and

size

of

your

room.

Low

bass

will

be

affected

the

most

but

all

frequencies

are

affected

to

some

extent.

You

should

crawl

around

on

the

floor

at

speaker

level

to

find

the

location

that

gives

the

smoothest

low

frequency

response.

(Sorry,

but

this

does

work!)

A

test

CD

with

warble

tones

from

20-40

Hz

is

ideal

as

a

source

for

this

test.

Sine

wave

test

tones

can

also

be

used

but

will

be

subject

to

“standing

waves"

or

pressure

and

null

zones.

Play

test

tones

at

a

moderate

level

only,

not

at

a

loud

level.

If

played

at

a

high

volume

level

with

a

subwoofer,

you

may

find

that

your

walls

rattle

and

your

neighbors

ring

the

doorbell

to

complain.

Neither

is

an

especially

desirable

result.

When

you

have

placed

the

subwoofer(s)

in

a

promising

location,

play

some

music

with

strong

bass

content

and

listen

for

extended

low

frequency

bass

response

and

definition.

Minor

placement

adjustments

may

be

needed

to

find

the

optimum

location.

The

result

of

proper

placement

of

the

subwoofer

will

be

excellent

low

bass

as

well

as

mid

bass.

It

should

smoothly

“blend

in”

with

the

main

speakers

for

good

sound

quality.

With

proper

placement,

combined

with

well-placed

front

and

surround

sound

speakers,

you

can

achieve

a

thoroughly

convincing

sound

field

in

your

listening

room.

Multiple

subwoofers

are

potentially

capable

of

smoothing

the

low

frequency

response

in

a

room

a

little

more

due

to

interaction

with

the

room

modes

from

more

than

one

location.

Proper

set

up

of

your

speakers

will

take

some

time.

This

is

time

and

energy

very

well

spent.

When

you

are

enjoying

music

or

movies

with

your

family

and

friends,

you

will

be

glad

you

invested

the

time

in

proper

set

up

and

location

of

your

speakers

and

system.

CABLES

FOR

A

SURROUND

SOUND

SYSTEM

High

performance

COMPOSITE

VIDEO

and

AUDIO

patch

cables

will

improve

the

sights

and

sounds

of

your

system

and

we

recommend

them.

Composite

video

or

digital

cables

should

have

a

characteristic

impedance

of

75

ohms

and

should

be

well

shielded

for

the

best

video

or

digital

performance.

Audio/video

and

AC

power

cables

should

be

kept

separate

from

each

other

to

avoid

potential

interference

or

hum

that

will

degrade

sound

or

picture

quality.

Ask

your

ROTEL/j/

fi

AUTHORIZED

DEALER

for

advice

about

high

quality

cables

for

analog,

video

and

digital

signals

in

your

sound

system.

They

do

make

a

difference

and

high

quality

cable

will

yield

the

best

results.

ELECTRICAL

REQUIREMENTS

The

RSP

970

is

designed

to

work

on

AC

voltage

and

the

correct

voltage

is

displayed

on

the

back

panel.

Do

not

attempt

to

operate

on

incorrect

voltage

as

this

will

damage

the

circuitry

and

void

your

warranty.

If

you

are

in

doubt

about

the

correct

voltage

we

suggest

that

you

read

the

label

on

the

back

panel

or

consult

your

ROTEL

hi

fi

AUTHORIZED

DEALER

for

confirmation

of

the

correct

voltage.

Connect

the

Power

Cord

to

your

wall

socket

for

AC

power.

When

you

wish

to

disconnect

the

power

cord

from

the

wall,

always

hold

the

plug

firmly

and

pull

the

plug

out

of

the

wall

socket.

Do

not

unplug

the

power

cord

from

the

wall

by

pulling

the

cord

only.

This

may

damage

the

power

cord

and

create

a

hazardous

condition.

We

recommend

connection

to

the

mains'

wall

socket

or

an

AC

power

line

filter,

not

to

an

extension

cord.

There

are

two

switched

AC

outlets

on

the

back

panel.

Please

do

not

exceed

the

power

rating

(800

watts

total)

printed

next

to

the

outlets.

The

switched

AC

outlets

are

provided

for

a

source

component

or

the

CONTROL

CORD

of

the

Rotel

RLC

900,

not

a

power

amplifier.

There

is

NO

user

serviceable

part

inside

the

RSP

970.

Please

do

not

open

the

cabinet

as

this

will

expose

you

to

the

risk

of

potentially

dangerous

high

voltage

and

the

risk

of

shock.

This

could

also

damage

the

circuits

and

possibly

void

your

warranty.

o

CLEANING

THE

CABINET

If

you

wish

to

clean

the

cabinet,

we

suggest

that

you

clean

it

with

a

soft,

DRY

cloth.

Never

use

cleaning

compounds

or

solvents

to

clean

the

cabinet

as

they

may

damage

the

finish

or

remove

the

labels.

Cleaning

compounds

or

liquids

could

damage

the

circuitry

if

any

residue

falls

inside.

A

FINAL

WORD

FROM

ROTEL

We

have

designed

the

RSP

970

for

high

performance

using

test

equipment,

our

eyes

and

our

ears.

We

believe

all

these

methods

are

useful

in

the

design

of

audio

video

electronics.

This

is

a

time

consuming

process

but

we

feel

that

the

music

and

movies

benefit

from

this

care

and

attention

to

detail.

We

tried

to

make

the

unit

easy

to

understand

and

operate

and

believe

we

have

succeeded.

We

realize

that

there

are

many

surround

sound

preamplifiers

to

choose

from

these

days.

We

thank

you

again

for

choosing

a

Rotel

surround

sound

preamplifier

as

the

centerpiece

and

control

center

in

your

audio

video

system.

We

appreciate

this

very

much.

Enjoy

the

sights

and

sounds!

SPECIFICATIONS:

RSP

970

SURROUND

SOUND

PREAMPLIFIER

AUDIO

Frequency

Response

Signal

to

Noise

Ratio,

Front

/

Surround

Input

Impedance

Output

Impedance

Total

Harmonic

Distortion

Intermodulation

Distortion

Output

(maximum)

(Dolby,

300

mV

in)

VIDEO

Video

Frequency

Response

Signal

to

Noise

Ratio

Input

Impedance

(Composite)

Output

Impedance

(Composite)

Output

(Composite)

Power

Consumption

Power

Requirements

(AC)

Weight

Dimensions

5-20,000

Hz,

+

0.5

dB

85

dB,

IHF

A/70

dB.

IHF

A

47

k

Ohms

<

500

ohms

0.03

%

(1

kHz)

0.03%

(400

Hz/7

kHz,

4:1)

>

6

volts

0.9

volt

10

Hz

-

10

MHz

+

3

dB

70

dB

75

ohms

75

ohms

1

volt,

peak

to

peak,

75

ohm

load

22

watts

115

volts

50/60

Hz

or

230

volts

50/60

Hz

5.8

Kg,

12.76

Lb.

440

x

121

x

328

mm

(W

x

H

x

D)

17-3/8"

x

4-13/16"

x

13"

(W

x

H

x

D)

OM

RSP

970,

ver

4,

GCD,

09/11/96

All

specifications

are

accurate

at

the

time

of

printing.

Rotel

reserves

the

right

to

make

improvements

without

notice.

ROTEL®

and

the

ROTEL/?/

fi

logo

are

the

registered

trademarks

of

The

Rotel

Co.

Ltd.,

Tokyo,

Japan.

The

Rotel

Electronics

Co.

Ltd.,

Taipei,

Taiwan,

R.O.C.,

is

ISO

9002

certified.

Manufactured

under

license

from

Dolby

Laboratories

Licensing

Corporation.

“Dolby",

“Pro

Logic",

“AC-3”

and

the

double-D

symbol

are

trademarks

of

Dolby

Laboratories

Licensing

Corporation.

Copyright

1992

Dolby

Laboratories,

Inc.

All

rights

reserved.

THX®

is

a

registered

trademark

of

Lucasfilm

Ltd.

Radio

Shack®

is

a

registered

trademark

of

Tandy

Corporation,

Ft.

Worth,

Texas.

9