Mitsubishi DA-P30 Manuel utilisateur

Table des matières

Autres manuels Mitsubishi Amplificateur

Mitsubishi

Mitsubishi DA-A10DC Manuel utilisateur

Mitsubishi

Mitsubishi DA-U310 Manuel utilisateur

Mitsubishi

Mitsubishi DA-C20 Manuel utilisateur

Mitsubishi

Mitsubishi MR-JE-200A Manuel utilisateur

Mitsubishi

Mitsubishi DA-A10DC Manuel utilisateur

Mitsubishi

Mitsubishi DA-U630 Manuel utilisateur

Mitsubishi

Mitsubishi MR-JE-10B Manuel utilisateur

Mitsubishi

Mitsubishi CV-0MW7G21-7 Manuel utilisateur

Mitsubishi

Mitsubishi CV-0MW7G21-2 Manuel utilisateur

Mitsubishi

Mitsubishi DA-A15DC Manuel utilisateur

Mitsubishi

Mitsubishi Melservo-J2-SUPER series Manuel utilisateur

Mitsubishi

Mitsubishi MR-J4-10A Manuel utilisateur

Mitsubishi

Mitsubishi melservo-j2 series Manuel utilisateur

Manuels Amplificateur populaires d'autres marques

ASTRO

ASTRO HVO V40 P Manuel utilisateur

Marantz

Marantz SUPERSCOPE BLA-545 Instructions de montage

NAD

NAD CI980 Manuel utilisateur

Technics

Technics SE-CH770 Manuel utilisateur

Harman Kardon

Harman Kardon HK6300 Manuel utilisateur

NAD

NAD T975 Manuel utilisateur

McIntosh

McIntosh MA6850 Manuel utilisateur

Electro-Harmonix

Electro-Harmonix ENGLISH MUFF’N Manuel utilisateur

Viatron

Viatron Autrix Manuel utilisateur

GME

GME GA9800 Manuel utilisateur

Atlas

Atlas CP700 Manuel utilisateur

Roland

Roland KC-1000 Manuel utilisateur

Pyle

Pyle PFMRA350BW Manuel utilisateur

Advantage

Advantage S-250 Manuel utilisateur

IRT Electronics

IRT Electronics DVA-3007 Manuel utilisateur

Dimavery

Dimavery BA-100 Series Manuel utilisateur

Sony

Sony XM-S400D Manuel utilisateur

Schertler

Schertler ROY X Manuel utilisateur

a's

MITSUBISHI

STEREO

PREAMPLIFIER

DA-/[-

C

YD

@

Instruction

Book

@

Bedienungsanleitung

@

Mode

d’emploi

Congratulations

on

your

choice

of

the

Mitsubishi

Stereo

Preamplifier

Model

DA-P30.

For

best

performance

results,

please

read

this

instruction

book

carefully

before

use.

WARNING

—

TO

PREVENT

FIRE

OR

SHOCK

HAZARD,

DO

NOT

EXPOSE

THIS

APPLI-

ANCE

TO

RAIN

OR

MOISTURE.

For

future

reference

a

space

has

been

provided

below

for

recording

the

serial

number

of

your

stereo

preamplifier.

Serial

#

Sie

haben

gut

gekauft!

Wir

wiinschen

viel

Freude

an

Ihrem

DA-P30!

Damit

Sie

alle

Méglichkeiten

dieses

hochwertigen

Gerates

voll

aussch6pfen

k6nnen,

haben

wir

eine

ausfiihrliche

Bedienungsanleitung

erstellt.

Bitte,

lesen

Sie

diese

vor

Inbetriebnahme

sorgfaltig

Punkt

fiir

Punkt

durch.

VORSICHT!

SETZEN

SIE

DEN

DA-P30

NIE-

MALS

FEUCHTIGKEIT

AUS!

ANDEREN-

FALLS

DROHT

GEFAHR

DURCH

FEUER

ODER

STROMSCHLAG!

Tragen

Sie

in

den

Kasten

die

Serien-Nummer

ihres

Gerates

ein,

damit

Sie

diese

immer

leicht

zur

Hand

haben.

Serien-Nr.:

Nous

vous

félicitons

d’avoir

porté

votre

choix

sur

le

préamplificateur

stéréo

Mitsubishi

DA-P30.

Avant

d’utiliser

cet

appareil,

nous

vous

recom-

mandons

de

lire

attentivement

ce

mode

d’emploi

pour

que

vous

puissiez

en

tirer

ses

meilleures

performances,

:

ATTENTION:

PROTEGEZ

CET

APPAREIL

DE

LA

PLUIE

ET

DE

L’HUMIDITE

SOUS

RISQUE

D‘INCENDIE

ET

D’ELECTROCUTION.

Afin

de

l’avoir

toujours

a

portée

de

main,

veuillez

inscrire

le

numéro

de

série

de

votre

appareil

dans

V’espace

réservé

a

cet

effet

ci-dessous.

Numéro

de

série

ENGLISH

2

PRECAUTIONS

1.

GENERAL

BE

SURE

TO

USE

THE

CORRECT

A.C.

POWER

SOURCE

The

A.C.

power

requirement

is

marked

on

the

rear

panel

of

this

unit.

Connection

to

any

other

power

source

may

cause

damage

to

this

unit

and/or

severe

electrical

shock.

DO

NOT

PLUG

IN

OR

UNPLUG

THE

POWER

CORD

WITH

WET

HANDS

There

is

a

great

danger

of

severe

electrical

shock

if

the

power

cord

is

plugged

in

or

unplugged

with

wet

hands.

Do

not

attempt

to

unplug

the

cord

from

an

A.C.

outlet

by

pulling

the

cord.

Firmly

grasp

the

plug

to

remove

it

from

the

A.C.

outlet.

DO

NOT

ALLOW

WATER

OR

ANY

FOREIGN

MATTER

TO

GET

INSIDE

THIS

UNIT

Should

water

or

a

metallic

object

accidentally

fall

into

this

unit,

immediately

disconnect

the

power

cord

and

consult

your

authorized

service

dealer.

HANDLE

THE

POWER

CORD

WITH

CARE

Do

not

bend

sharply

or

twist

the

power

cord.

If

the

insulation

becomes

damaged,

the

conductor

breaks,

or

poor

contacts

occur,

request

service

from

your

authorized

service

dealer.

Continued

use

under

these

conditions,

may

‘cause

fire

or

electrical

shock.

DO

NOT

TOUCH

THE

INSIDE

OF

THIS

UNIT

There

are

high

voltages

inside

this

unit.

Never

re-

move

the

top

or

bottom

cover.

All

inspections

and

repair

including

fuse

replacement,

should

carried

out

by

your

authorized

service

dealer.

DISCONNECT

THE

POWER

CORD

AT

THE

FIRST

SIGN

OF

TROUBLE

At

the

first

sign

of

unusual

noise,

odor,

or

malfunc-

tion,

disconnect

the

power

cord

and

consult

your

|

authorized

service

dealer.

Continued

use

under

these

conditions,

may

increase

damage

or

cause

additional

problems.

THIS

PRODUCT

!S

DESIGNED

AND

WARRANT-

ED

FOR

CONSUMER

HI-FI

USE

ONLY.

NOT

INTENDED

FOR

INDUSTRIAL

OR

PRO-AUDIO

APPLICATIONS,

2.

LOCATION

BE

SURE

TO

PLACE

IT

HORIZONTALLY

Care

must

be

taken

to

avoid

inclining

or

standing

this

preamplifier

upright,

since

such

conditions

can

result

in

improper

heat

dissipation.

Do

not

cover

this

ventilation

holes

by

placing

another

unit

on

top”

of

this

preamplifier

or

otherwise

obstruct

their

operation

by

improper

location

or

with

any

other

object.

AVOID

PLACEMENT

IN

DIRECT

‘SUNLIGHT,

NEAR

AIR

CONDITIONER

ETC.

This

unit

can

become

unstable

if

operated

in

ex-

_

tremely

high

or

low

temperatures.

Place

it

in

a

well

ventilated

area

for

proper

heat

dissipation.

Avoid

placement

in

direct

sunlight,

near

air

conditioners,

poorly

ventilated

areas

or

in

areas

of

excess

humidi-

ty_or

dust.

Do

not

block

the

ventilation

holes,

3.

CONNECTIONS

BE

SURE

TO

TURN

OFF

THE

POWER

BEFORE

MAKING

CONNECTIONS

This

is

to

prevent

damage

to

the

speakers

from

the

popping

noise

which

occurs

when

plugging

and

un-

plugging

cords.

‘USE

EXTREME

CARE

IN

MAKING

THE

COR-

.

RECT

CONNECTIONS

If

you

reverse

the

R

(right)

and

L

(left)

leads,

you

will

reverse

the

stereo

location

of

R

and

L

channels.

MAKE

CONNECTIONS

SECURELY

If

any

of

the

plugs

should

become

loose

or

discon-

nected,

a

hum

may

develop.

!f

this

is

not.corrected,

deterioration

of

sound

quality

and

possible

damage

to

the

speakers

may

result.

USE

ONLY

SHIELDED

CORD

FOR

THE

LEADS

Use

only

shielded

cords

for

interconnecting

com-

—

ponents.

Do

not

use

cords

longer

than

2

m

(6’).

Ex-

cessive

lead

lengths

can

deteriorate

high

frequeney

response

and

are

subject

to

interference

that

can

result

in

hum

or

noise.

WHEN

NOT

USING

THE

PHONO

INPUTS,

KEEP

THE

SHORTING

PLUGS

INSERTED

IN

THE

INPUTS

This

is

to

prevent

hum

and

noise

and

to

prevent

the

popping

noise

which

can

occur

when

switching

the

program

selector

switch

without

a

turntable

con-

nected.

WHEN

USING

THE

COMPANION

POWER

AMP-

LIFIER

(DA-A30)

AND

SWITCHING

TWO

PAIRS

OF

SPEAKERS

FROM

THIS

UNIT,

ENSURE

THAT

THE

COMBINED

IMPEDANCE

(BOTH

PAIRS

OF

SPEAKERS

OPERATING)

IS

4

OHMS

OR

ABOVE

If

the

combined

impedance

is

below

4

ohms,

the

load

impedance

detector

circuit

may

operate

and

mute

the

power

amplifier

output.

The

combined

impedance

is

determined

with

the

following

formula.

FRONT

PANEL

TERMINOLOGY

AND

FUNCTIONS

AxB

“A+B

(OHMS)

COMBINED

IMPEDANCE

=

eg.

=

3

=

4

(ohms)

A:

Nominal

impedance

of

speaker

A

B:

Nominal

impedance

of

speaker

B

Please

consult

your

audio

dealer

for

additional

in-

formation.

5

4,

OPERATIONS

BEFORE

PLACING

THE

POWER

SWITCH

IN

THE

ON

OR

QFE

9neimiae

2

QpERATING

ON

|

OR

OFF

POSITION.

ONE

PREAMPLI.

FIER’S

VOLUME.

(ATTENUATOR)

CONTROL

ALL

THE

WAY

DOWN

This

is

to

protect

the

speakers

from

the

damage

that

can

occur

if

the

volume

level

is

set

high

and

the

power

is

turned

on.

THERE

WILL

BE

NO

SOUND

FOR

A

FEW

SEC-

ONDS

AFTER

YOU

TURN

ON

THE

POWER.

THIS

IS

NOT

A

MALFUNCTION

This

unit

is

equipped

with

a

power

supply

muting

circuit

which

prevents

popping

noise

when

the

power

switch

is

turned

on

or

off.

5,

CARE

Wipe

the.

cabinet

with

a

soft

cloth

when

it

becomes

dusty.

If it

should

get

really

dirty,

dampen

a

soft

cloth

in

a

weak

solution

of

mild

soap

and

water,

wring

it

out

dry

and

wipe

off.

When

finished,

dry

completely

with

a

soft

dry

cloth.

Any

volatile

ma-

terials

such

as

alcohol, thinner,

benzine,

insecticides,

etc.

may

remove

the

paint

or

damage

the

luster

and

should

not

be

used.

1..

POWER

(Power

Switch)

This

switch

is

for

turning

this

unit

on

and

off.

When

in

the

ON

position,

the

indicators

(PROGRAM

SELECTOR,

RECORD

SELECTOR)

are

illuminat-

ed,

2.

PROTECTION,

OPERATION

(Indicator)

When

connected

to

the

companion

power

amplifier

(DA-A30)

with

speaker

control

cables,

the

PRO-

TECTION

indicator

(red)

will

be

illuminated.

for

about

3

seconds

after

the

power

is

switched

on,

followed

by

the

OPERATION

indicator

(green)

lighting

up

when

the

PROTECTION

indicator

turns

off.

If,

however,

abnormal

condition

arises

in

the

power

amplifier,

the

power

amplifier’s

protection

circuit

will

activate

and

PROTECTION

indicator

{red)

will

be

illuminated,

3.

SPEAKERS

(Speaker

Selection

Switches)

When

using

the

companion

power

amplifier

(DA-

A30),

the

speakers

connected

to

the

power

ampli-

fier

may

be

controlled

with

these

switches.

The

“speaker

control

cable”

supplied

with

the

power

amplifier

must

be

connected

to

utilize

these

switches.

Also

note

that

the

selection

switch’s

illumination

will

light

up

only

when

the

companion

power

amplifier

is

connected

with

the

speaker

-

control

cable,

A

B-

HB

=

&

For

listening

with

headphones,

w=

JM

For

listening

to

the

speakers

connected

to

the

A

terminals

on

the

power

amplifier,

M

=.=

For

listening

to

the

speakers

connected

to

the

B

terminals

on

the

power

amplifier,

=

m=

For

listening

to

the

speakers

connected

to

both

A

and.

B

terminals

on

the

power

amplifier.

zoff

so

r

—

RECORD

SELECTOR

——

aes

m

vw

aux

twee

HNO

ore

NS

|

ES Sc

TONEPASS

—

SUBSONIC

‘

MODE

canes

ON

rity

cr

“1

capacity

aot

wolf

anormal

—m

stereo

100pF

verse

<a

mono

350pF

on

ley

=

reverse

initia

ofP3O

stereo

preampurier

14

13

12

11.

10

4

TURNOVER

(Turnover

Controls)

The

turnover

frequency

in

the

treble,

middle

and

bass

ranges

may

be

varied

continuously.

The

turn-

over

frequency

is

increased

by

moving

the

lever

to

the

right,

and

decreased

by

moving

to

the

left.

For

more

details,

see

page

10.

5

BASS,

MIDDLE

and

TREBLE

(Bass,

Middle

and

Treble

Level

Controls)

The

degree

of

boosting

or

attenuation

about

the

turnover

frequencies

set

by

the

TURNOVER

cont-

rols

can

be

adjusted.

Select

the

best

positions

to

suit

the

characteristics

of

your

speakers

and

{listening

room,

or.

personal

preference.

At

the

zero

position,

a

flat

frequency

response

is

obtained.

For

more

details,

see

page

10.

6

RECORD

SELECTOR

(Program

Selection

Switches

for

Recording)

These

switches

select

which

program

can

be

record-

ed

by

the

tape

decks

connected

to

the

TAPE

1

and

TAPE

2

terminals.

It

is

also

used

when

duplicating

from

one

tape

deck

to

another.

Recording

and

duplicating

are

performed

independently

of

the

program

selected

for

audition

by

the

PROGRAM

SELECTOR

switches.

17>

2

This

switch

is

used

to

duplicate

from

(duplicate)

the

tape

deck

connected

to

the

PLAY

1

inputs

to

the

tape

deck

connected

to

the

REC

2

output.

2-1

This

switch

is

used

to

duplicate

from

(duplicate)

the

tape

deck

connected

to

the

PLAY

2

inputs

ta

the

tape

deck

connected

to

the

REC

1

outputs.

For

recording

from

a

second

tuner,

turn-

table,

with

a

high

output

ceramic

AUX

“PHONO

cartridge,

tape

deck

for

playback

use,

television

audio,

or

any

suitable

high

output

sources

connected

to

the

AUX

inputs.

.

TUNER

For

recording

programs

from

the

tuner

connected

to

the

TUNER

inputs.

PHONO

_

This

switch

is

used

for

recording

a

disc

from

the

turntable

connected

to

the

PHONO

inputs,

:

;

OFF

Always

switch

to

this

position

when

not

recording.

7.

PROGRAM

SELECTOR

Selection

Switches)

These

switches

select

the

desired

program

source

for

audition.

They

operate

independently

of

the

source

selected

for

recording,

but

can

be

used

for

monitor-

ing.

TAPE

2

(Program

Audition

This

switch

is

used

to

playback

or

monitor

the

recording

of

a

tape

deck

connected

to

the

PLAY

2

inputs.

This

switch

is

used

to

playback

or

monitor

the

recording

of

a

tape

deck

connected

to

the

PLAY

1

inputs.

This

switch

is

for

listening

to

a

second

tuner,

a

turntable

with

a

high

output

ceramic

cartridge,

an

8-track

tape

cart-

ridge

player,

television

audio,

or

any

suitable

high

output

sources

connected

to

the

AUX

inputs.

This

switch

is

for

listening

to

programs

from

.the

tuner

connected

to

the

TUNER

inputs.

This

switch

is

for

listening

to

a

turntable

unit

connected

to

the

PHONO

inputs

(MM/MC

inputs).

,

TAPE

1

AUX

TUNER

8.

PHONO

MM/MC

(Selection

Switch

for

Moving

Magnet

or

Moving

Coil

Cartridges)

,

Select

the

MM

position

and

connect

your

turntable

to

the

MM

inputs

if

your

turntable

unit

is

fitted

with

a

moving

magnet

cartridge.

Select

the

MC

position

and

connect.

your

turntable

to

the

MC

inputs

when

using

a

moving

coil

cartridge.

,

9.

ATTENUATOR

(Volume

Control)

This

contro!

adjusts

the

sound

volume

from

the

speakers

and

the

headphones,

The

volume

is

in-

creased

by

rotating

clockwise,

and

decreased

by

rotating

counterclockwise.

10.

CARTRIDGE

CAPACITANCE

(Selection

Switch

for

Cartridge

Capacitance)

Suitable

matching

of

the

MM

cartridge

and

MM

phono

input

capacitance

can

be

selected

with

this

switch.

Improper

matching

will

result

in

a

change

of

frequency

response

especially

in

the

high

range.

Therefore,

select

either

100pF

or

330pF

position

depending

on

the

cartridge

being

used.

(Refer

to

the

cartridge

manufacturer

specifications)

NOTE:

The

capacitance

of

the

turntable

output

cables

must

also

be

included

in

the

calculation

of

input

capacitance

for

matching.

11.

MODE

(Mode

Switches)

These

switches

select

stereo,

monaural

or

reverse.

STEREO

The

normal

play

position.

Sounds

on

the

left

channel

are

reproduced

through

the

left

speaker,

and

sounds

on

the

right

channel

are

reproduced

on

the

right

speaker.

5

REAR

PANEL

TERMINOLOGY

AND

CONNECTIONS

MONO

Program

material

from

both

right

and

left.

channel:

is

combined

and

repro-

"duced

through

both

speakers.

NORMAL

This

is

the

position

for

normal

use

with

left

and

right

channels

reproduced

from

left

and

right

speakers

respectively.

In

this

position,

left

and

right

channels

are

reversed,

so

the

left

channe}

will

be

reproduced

from

the

right

speaker,

and

the

right

channel

from

the

left

speaker,

REVERSE

12.

SUBSONIC

FILTER

(Subsonic

Filter

Switch)

This

filter

attenuates

the

frequencies

below

18

Hz

on

the

right

and

left

channels

at

a

12

dB/oct.

rate.

The

subsonic

filter

is

used

to

remove

unwanted

low.

frequency

noise,

and

to

prevent

acoustic

feedback.

13.

TONE

PASS

(Tone

Control

Bypass

Switch)

This

switch

is

used

for

cancelling

the

tone

control

on

the

right

and

left

channels.

ON:

In.

this

position,

the

tone

control

circuit

a

is

removed

completely

from

the

signal

path

and

flat

response

is

obtained.

OFF

&.

that

in

this

position,

the

TURNOVER

controls

are

illuminated

to

denote

that

the

tone

control

circuit

are

activated..

14,

PHONES

(Headphones

Output)

For

stereo

listening

with

headphones,

plug

the

head-

phones

into

this

output.

Listening

by

headphones

is

possible.at

all

positions

of

the

SPEAKERS

switches.

Tone

controls

can

be

adjusted.’

Note

-

PHONO

MC

(Phono

Inputs

for

MC

Cartridge)

The

input

impedance

of

phono

MC

is

10

ohms,

The

output

leads

from

a

turntable

equipped

with

an

MC

-cartridge

are

connected

here.

PHONO

MM

(Phono

Inputs

for

MM

Cartridge)

The

input

impedance

of

phono

MM

is

47k

ohms.

The

output

leads

from

a

turntable

equipped

with

an

—

MM

cartridge

are

connected

here.

TUNER

(Tuner

Inputs)

The

output

leads

from

the

tuner

are

connected

here.

’

AUX

(Auxiliary

Inputs)

These

inputs

may

be

used

for

‘television

audio

or

any

suitable

high

output

source,

PLAY

1,

PLAY

2

(Tape

Playback

Inputs)

These

inputs

are.

for

tape

Playback.

Connect

the

tape

deck

outputs

here.

REC

1,

REC

2

(Recording

Tape

Outputs)

’

These

outputs

are

for

use

when

recordirig'on

tape.

Connect

the

tape

deck

inputs

here.

"

GND

(Ground

Terminal)

Sometimes,

hum

or

other

noise

may

develop

when

a

turntable

is.connected

to

this

unit.

In

such

a

case,

connect

the

ground

wire

of

the

turntable

to

this

ter-

minal,

OUTPUT

(Preamplifier

Outputs}

The

preamplifier

outputs

are

connected

to

the

in-

puts

of

the

power

amplifier.

SWITCHED

(A.C.

Outlets)

A.C.

power

is

available

from

these

outlets

when

the

POWER

switch

is

on.

They

may

be

used

for

the

power

amplifier,

etc.

The

total

segue

power

.must

not

exceed

500W,

UNSWITCHED

(A.C.

Outlet)

-

A.C.

power

is

available

from

this

outlet

whether

the

POWER

switch

‘is

on

or

off.

It

may

be

used

for

‘tuner

(DA-F30),

etc.

The

output

power

must

not

exceed

300W.

.

SPEAKERS

CONTROL

(Speaker

Control

Output

Terminal)

When

using

a

companion

power

amplifier

(DA-A30),

this

terminal

is

connected

to

the

“REMOTE”

terminal

on

the

power

amplifier

by

means

of

the

“speaker

control

cable’’

supplied

with

the

power

amplifier.

This

allows

control

of

the

speakers

from

the

front

panel

of

this

unit.

A.C,

POWER

CORD

This

cord

is

plugged

into

===

==

the

A.C.

wall

outlet.

Turntable

with

ao

sal

MC

cartridge

Turntable

with

MM

cartridge

When

using

this

unit

with

its

companion

power

amplifier

(DA-A30),

make

the

connection

between

them

as

shown

in

the

diagram.

For

more

details,

see

the

instruction

book

of

your

power

amplifier.

8

OPERATIONS

BEFORE

SWITCHING

ON

Check

the

following

items

before

pushing

the

POWER

switch

to

the

ON

position.

@

All

components.are

properly

connected.

@

The

SPEAKERS

switches

(A,

B

or

A

+

B)

for

the

speakers

‘you

have

connected

are

in

the

ON

position

when

using

this

unit

with

its

com-

panion

power

amplifier

(DA-A30).

@

The

ATTENUATOR

control

is

turned

fully

counterclockwise

(to

minimum

volume,

the

oo

position).

@

All

other

controls

are

turned

to

the

“center

or

12

o'clock”

position.

Only

now

should

you

depress

the

POWER

switch

to

the

ON

position.

NOTE:

Failure

to

turn

the

ATTENUATOR

fully

down

can

severely

damage

the

speakers

when

the

POWER

switch

is

pushed

to

the

ON

position.

1.

PLAYING

DISCS

@

Depress

the

PROGRAM

SELECTOR

switch

to

the

PHONO

position.

!f

your

cartridge

is

of

the

moving

coit

(MC)

type,

depress

the

PHONO

MM/

MC

switch

to

the

MC

position:

with’

moving

magnet

cartridge

selects

the

MM

position.

@

Operate

the

turntable.

®

Select

the

desired

volume

level

with

the

ATTEN-

UATOR

control.

NOTE:

When

using

a

high

output

power

ampli-

fier,

it

is

possible

to

damage

the

speak-

ers

with

excessive

volume

levels.

Be

extremely

carefull

not

to

apply

ex-

cessive

input

to

the

speakers

when

using

_

speakers

with

a

maximum

input

rating

less

than

the

amplifier’s

rated

power

output,

°

2.

LISTENING

TO

BROADCAST

@

Depress

the

PROGRAM

SELECTOR

switch

to

the

TUNER

position.

.-————-

PROGRAM

In

a

TAPE2

TAPE1

TUNER

PHO

PHONO

SSaSsg

==

a

a

ee

ae

|

@

Operate

the

tuner.

®

Select

the

desired

volume

level

with

the

ATTEN-

UATOR

control.

NOTE:

lf

the

tuner

has

‘‘variable’’

output,

it

is

convenient

to

set

the

output

level

so

that

the

volume

is

at

approximately

the

same

level

as

the

other

sources

connect-

ed

to

this

unit.

3.

TAPE

DECK

RECORDING

AND

PLAYBACK

@®

PLAYBACK

@

Depress

the

PROGRAM

SELECTOR

switch

to

the

TAPE

1

(or

TAPE

2)

position.

PROGRAM

SELECTOR

—————-_,

a

MM

AUX

TUNER

PHONO

=~

a,

MC

=

@

Operate

the

tape

deck

in

the

playback

mode.

@

Now

set

the

desired

volume

level

with

the

ATTENUATOR

contol.

,

@

|f

the

tape

deck

is-fitted

with

an

output

level

control,

adjust

this

so

that

your

ATTENUATOR

setting

gives

you

approximately

the

same

volume

as

it

would

when

listening

to

the

TUNER

section.

@

RECORDING

@

Depress

the

RECORD

SELECTOR

switch

to

the

program

source

you

wish

to’record.

(RECORD

SELECTOR

a

291

w2

AUX

TUNER

PHONO:

OFF

SRS

BSS

SSS

,

Zn

ERK

ER

=m

EH

@

Operate

the

tape

deck

in

the

recording

mode.

@

Play

the

source

to

be

recorded.

@

If

you

depress

the

PROGRAM

SELECTOR

switch

to

the

same

program

source,

you

will

be

able

to

hear

the

program

‘you are

recording.

You

can,

of

course,

listen

to

any

other

program

source

while

the

recording

is

in

progress.

©

If

your

tape

deck

is

of

the

three-head

kind

(with

separate

record,

playback

and

erase

heads),

you

‘will

be

able

to

monitor

the

recording

while

it

is

being

made.

Depress

the

PROGRAM

SELECTOR

to

TAPE

1

(or

TAPE

2

—

whichever

you

are

using).

©

Adjust

the

recording

level

with

the

input

level

controls

on

the

tape

deck.

NOTE:

The

ATTENUATOR,

tone

controls,

fil-

ters,

etc.,

have

no

effect

on

the

record-

ing.

®

DUPLICATING

Duplicating

is

simply

playing

back

a

tape

on

one

tape

deck

and

recording

it

on

another.

@

Depress

the

RECORD

SELECTOR

switch

to

the

172

(or2—>1).

ooo

RECORD

SELECTOR,

$$

Wz

AUX

'UNER

PHONO

OFF

<i

—|—|——|—

ZH

-

EH

HE EH

E

@

Operate

one

tape

deck,

connected

to

the

PLAY

1

(or

PLAY

2)

inputs,

in

the

playback

mode,

and

the

other,

connected

to

the

REC

2

(or

REC

1)

outputs,

in

the

recording

mode.

@

Other

instructions

are

exactly

the

same

as

for

recording

and

playback

(as

detailed).

4,

PLAYING

FROM

OTHER

SOURCES

@

Depress

the

PROGRAM

SELECTOR

switch

to

the

AUX

position.

ss

RECORD

SELECTOR

a

Wace?

eat

291

2

TUNER

PHONO

OF

'

eS

eS

RB

BH HB

S

@

Operate

the

unit

(8-track

tape

cartridge

player,

etc.).

;

@

Now

set

the

desired

volume

level

with

the

ATTENUATOR

control,

5,

LISTENING

WITH

HEADPHONES

@

Plug

the

headphones

into

the

PHONES

output.

@

Now

set

the

desired

volume

level

with

the

ATTENUATOR

control.

@

The

speakers

will

not

be

automatically

muted

:if

you

do

not

want

to

use

them,

switch

them

off

with

the

SPEAKERS

(A,

B)

switches.

@

Low

impedance

(8

~

16

ohms)

headphones

are

best.

Higher

impedance

headphones

may

require

rather

higher

setting

of

the

ATTENUATOR

control.

Be

sure

to

turn

the

volume

down

again

before

switching

back

to

your

speakers.

10

6.

LEVEL

AND

TURNOVER

FREQUENCY

CONTROLS

One

of

the

major

features

of

the

DA-P30

Preampli-

fier.

is

the

separate

BASS,

MIDDLE

and

TREBLE

tone

controls

plus

independent

turnover

frequency

controls

for

each

of

the

3

ranges,

thereby

enabling

tonal

nuances

of.

the

sound

output

to

be

adjusted

in

an

infinite

number

of

combinations.

That

means

you

can

adjust

the

tonal

levels

to

exactly

the

way

you

want,

taking

the.

characteristics

of

different

speaker

systems

and

listening

environments

into

ac-

count

for

ideal

listening

pleasure.

Adjust

the

turnover

frequencies

and

the

bass,

middle

and

treble

levels

in

the

following

manner.

(1)

Turnover

frequencies

may

be

adjusted

to

any

frequency

in

the

following

frequency

ranges

simply

by

sliding

the

corresponding

TURNO-

VER

frequency

controls

to

the

left

arid

right

of

the

center

positions.

‘Bass

turnover

Hracuency

adjustment

range:

33Hz

to

530Hz.

Middle:

turnover

frequency

adjustment

range:

400Hz

to

1,600Hz.

Treble

turnover

frequency

adjustment

range:

1.25kHz

to

20kHz:

Turnover

frequency:

is

reduced

when

the

‘con-

trol

lever

is

moved

to

the

left,

and

increased

when

moved

to

the

right.

The

changes

in

turno-

ver

frequencies

when

the

‘control

levers

are

moved

left

and

right

are

outlined

in

the

follow-

ing

diagrams.

(Fig.

1)

(2)

The

BASS

control

is

for

adjusting

the

tonal

level

in

the

low

frequency

range.

When

turned

clockwise

from

the

center

‘‘0’’

position,

the

frequencies

in

this

range

are

boosted

in

2dB

steps

from

+2dB

to

+10dB.

And

when

turned

counterclockwise,

the

frequencies

are

attenuat-

ed

in

2dB

steps

from

—2dB

to

—10dB.

10

*

TURNOVER

Controls

8

6

4

;

2

0

—2

-4

-6

-8

10

ee

BASS

——————-—->|

}e—

mooie

—m|

B

a

BO

200

320

SOO

He

500

sO

Lak

Hz

[+

tress

>|

Uk

KK

-32K

SKK

KOKO

ENTER

Tn

an

|

|

-

EE

LiL

LL

The

MIDDLE

control

is

for

adjusting

the

tonal

ievel

in

the

middle

frequency

range.

When

turned

clockwise

from

the

center

'‘0"

position,

the

mid-range

frequencies

are

boosted

in

1dB

steps

from

+1dB

to

+5dB,

while

when

turned

counterclockwise,

the

frequencies

are

attenuat-

ed

in

1dB

steps

from

—1dB

to

—5dB.

The

TREBLE

control

is

for

adjusting

the

tonal

level

in

the

high

frequency

range.

When

turned

clockwise

from

the

center

0”

position,

the

high

range

frequencies

are

boosted

in

2dB

steps

from

+2dB

to

+10dB,

while

when

turned

counterclockwise,

the

fréquencies

are

attenuat-

ed

in

2dB

steps

from

—2dB

to

—10dB.

Note

that

the

frequency

response

is

completely

flat

when

all

tone

controls

are

in

the

center

“0

po-

sitions.

The

relation

between

the

BASS;

MIDDLE

and

TREBLE

tone

control

posotions

and

the

tonal

level

boost/attenuation

is

outlined

in

the

following

diagrams.

(Fig.

2)