Marantz 4300 Owners Manual

:

.:~

.....

MARANTZ

A WHOLLY-OWNED SUBSIDIARY

•

CO., INC. ·P.O. BOX

Model

Stereo

..

~~R.~

99'SUN

OF

SUPERSCOPE INC., SUN VALLEY, CALIFORNIA 91352

VALLEY, CALIFORNIA·91352

2+Quadradial4

Receiver

4300

I

External Decorder Connection

TABLE

I

Connecting the

I

Source Device

Remote Speakers Speaker Phasing Speaker Placement 5

I

Panel

Front

Mode Switch 7

I

I I

I

Dimension

SO

Decoder Balance Controls 8 Selector Switch Bass,

Mid and Treble Controls

Mon

itor Main and Remote Spkr Switches 9 Power Switch

Front and Rear

Loudness Switch 9

Low

Filter

Hi

Filter Switch 9

Meters 9

Tuning

FM

Muting Switch 10 Volume Dolby Switch

Record Level

Play

Cal.

400Hz Tone Switch 10

OF

Features 7

Switch 8

Switch 9

(L) (R)

CONTENTS

4300

Phones

(Ll

Jacks 9

(R)

10 10 10 10

Tape Recording

Power Connections

2 4 4

5

8 8

9

AC Protector

Basic

Dolby

Dolby Calibration

Procedure Procedure Useofthe Dolby System on FM Broadcasts 16

FM

De-Emphasis Switch

Explanation

Technical Description

General

Functional Description

Front IF Limiter FM Stereo Demodulator Muting Circuit

AM Phono Amplifiers Selector Switch Monitor Tone Control Power Driver

End 18

Stages

Tuner 18

Amplifier Stage

Fuse

Process

for

Playback Calibration

for

Record Calibration

of

the

Dolby

Switch

Mode Chart

13 13 13 13

14 14 15

16

18 18

18

18 18 18 18

19 19

19 19 19 19

Rear

Panel

I

I I

I

Phono Jacks CD-4/AUX Jacks Tape Out Jacks

FM

AM

FM Ouadradial

FM Dolby FM Preset Level Controls 12 Muting Power Mode Switch Pre Connecting for Connecting for Chassis

Main and Remote Speakers 12 Connection

AC

Remote Control 13

Features

Monitor

Antenna Terminals

Antenna Terminal

De-Emphasis Switch 12

Level

Out, Main In Jacks 12

Rear

Front

Ground Binding Post

Convenience Outlets

In and Tape

Output

Control 12

an

External

Channels

an

External

Channels 12

to

AC

Outlet

Monitor

Jack 12

Amplifier

11 11 11

12

13 13

General Requirements 19 InstallationofWalnut Cabinet Service Notes

20 20

LIST

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11. FM/AM Antenna Connections

12.

13.

14.

15.

OF

Rear

Panel Facilities and Adjustments 2 Loudspeaker System Connections 3 Connection Diagram 4 Speaker Placement 6 Mono Mode Sound Dispersion 7 2-channel Mode Sound Dispersion 7 Discrete Mode Sound Dispersion 7 Vari-Matrix Mode Sound Dispersion 7

Front

Stereophone

AM Ferrite-rod Antenna Quick-Connect Speaker Terminal 13 Block Diagram Packing Instructions 20

ILLUSTRATIONS

Connection

Panel

Controls

Plug

and

Jacks 8

11 11

17

The

FM

multiplex locked loop, Stereo-Monaural ing circuit, stereo indicator

to

amplifier pedance. rejection

unit

4300 ant

FM

nating inter-station interference which

generated at the time

9

obtain

Low

pass

are

incorporated. Moreover, the Model

has

a muting circuit

broadcast reception by completely elimi-

circuitry

output

filters

of

includes a

Automatic

circuit

power

for

19KHz and 38KHz

selecting

and a buffer

that

permits

FM

at

phase

switch-

low

pleas-

is

usually

stations.

im-

FOREWORD

TABLE

for

and

16

sim-

the

high

un-

1.

Dolby Mode Chart

GENERAL

Your Marantz Model 4300isa high-quality Stereo

+Quadradial 4 Receiver developed by Marantz,

2

name

a ponent industry. The Model 4300 incorporates Marantz' exclusive Vari- Matrix circuit which

ulates 4-channel sound from normal 2-channel stereo programs, and 4-channel sound The 4300 will channel program monaural programs. An optional plug-in decoder adapts the 4300 suchasColumbia's

The

RF ceramic filters selectivity paralleled interference-free operation. The 4300 incorporates a full-process, 2-channel

DOLBY System recording music casts

famous

FM

tuner section employs

amp

stage.

to

and TV.

DESCRIPTION

for

quality in the audio com-

is

capable

from

any matrix-encoded source.

also

reproduce any discrete

as

well

as

for

any specific matrix system,

SQ.

The

IF

tuning circuit employs

of

wide bandwidth

provide high sensitivity

to

reduce

from

records, tape, FM broad-

of

reproducing

regular stereo and

an

FET

and

noise,

inherent in

4-

To obtain optimum performance

from the Model 4300, tions carefully. tions

to

obtain maximum performance.

This manual

covers

technical

Model 4300 in more detail

cations

For quick identification connections, references type.

installation and operation in simple, non-

and

AFTER

Itisadvisabletosave

to

prevent or ship the Receiver (refer ing instructions). carefully It

has

undergone stringent

tion

and factory in perfect operating condition. unitisdamaged, Only the consignee may institute a claim the carrier ever,

the Marantz Company in

such

an

evidence

for

Follow

is

divided

language.

functional explanations.

UNPACKING

damage

for

any

tests prior

for

event. inspectionbythe carrier.

please

the step-by-step instruc-

into

The second describes the

with

of

are

all original packing material

should you wish to transport

to

Please

notify

damage

inspect your Model 4300

signs

Save

of

quality

to

packing,

the carrier

during shipment. Howthe

and

enjoyment

study

two

printed in bold face

will

these

parts. The first

technical specifi-

the controls

Figure 15

damage

co-operate

damaged

for

in transit.

control inspec-

and

without

carton

instruc-

and

pack-

left

the

If

the

delay.

with

fully

as

I I

I

I I

I I I I

I I

I

Figure1.Rear

Panel

Connection

Facilities

and

Adjustments

I

CONNECTING

can

be

The 4300

I

Receiver. the should instructions contained in this manual followed however, alone will apply.

1.

Using a balanced connect in Figure 11.

2.

Using No. 18,orheavier, lamp cord (zip cord),

connect main

lEFT

-orGNDorNEG

COMM +orHOT

RIGHT

-orGNDorNEG

COMMor0 +orHOT

lEFT

-orGNDorNEG

COMMor0

When

POWER

be

for for

FRONT

or

0

or

FRONT

or

REAR

placed in the 100W x 2 mode. The

an

pas

SPEAKER

usedasa stereo or 4-channel

using the 4300asa stereo unit,

MODE Switch

both stereo or 4-channel operation;

stereo operation, the

and

FM antennatothe 4300asshown

speakerstothe 4300asfollows:

SPEAKER

or

1

SPEAKER

or

1

or

I

+orHOT

or

pas

or

1

THE

shielded 300 Ohm cable,

4300

on

to

MAIN FRONT

to

MAIN FRONT

to

MAIN FRONT

to

MAIN FRONT

4300

to

MAIN REAR

to

MAIN REAR

4300

the rear

are

front

channels

SPEAKERS

l-

SPEAKERS

l+

SPEAKERS

R-

SPEAKERS

R+

SPEAKERS

L-

SPEAKERS

L+

panel

to

be

RIGHT

-orGNDorNEG COMM

+orHOTorPOS

CAUTION:

3.

RECORD

lEFT RIGHT

4.Ifa discrete 4-channel playback device {Q-8

DISCRETE PLAYBACK

lEFT-FRONTorLF CHANNEL

lEFT·REAR CHANNEL

RIGHT·FRONTorRF

CHANNEL3or

RIGHT-REARorRR CHANNEL

REAR

orO

Using

connect your record player

follows:

OUTPUT

cartridge player, 4-channel reel-to-reel player,

CD-4 discrete disc demodulator, etc.l, engaged tween the device and the 4300 using shielded audio

SPEAKER

or

1

When

mode, use

shielded audio

PLAYER

in the system, make connections

cables

4-CHANNEl

DEVICE

1orTRACK 1

orlRor

2orTRACK 2

4orTRACK 4

using the 4300inthe 100Wx2

do not

8 Ohms

with phono plugs.

or

TRACK

3

or

use

or

higher.

cables

4300

to

4300

to

MAIN REAR

to

MAIN REAR

4 Ohm speakers-

with

phono plugs,

to

the 4300

FRONT

REAR

CD·4/AUX

FRONT

REAR

CD-4/AUX

SPEAKERS

R-

SPEAKERS

R+

4300

to

PHONO

to

PHONO

istobe

be-

CD-4/AUX

l

CD·4/AUX

R

as

L R

L

R

I

2

Figure

2.

Loudspeaker

MAil

AS

FOR

System

SI(AI(8l

SYSTEM

Ilff'£AT

FfOIIY

WIIHG

~

SYSTtM

Connections

5.

Using connect the 4300asfollows:

DISCRETE

TAPE

LEFT·FRONT

or

LINE

lEFT-REAR or

LINE

RIGHT-FRONT or

LINE

RIGHT-REAR

or

LINE

lEFT·FRONT

or

LINE

shielded audio

a discrete 4-channel tape recorder

4-CHANNEL

RECORDER

OUTPUT

OUT

OUTPUT

OUT

OUTPUT

OUT

OUTPUT

OUT

INPUT

IN

cables

4300

to

TORINL

to

TOR

to

TORINR

to

TOR

to

TOR

with phono plugs,

FRONT

REAR

FRONT

REAR

FRONT

IN

OUT

TAPE

L

TAPE

R

TAPE

L

MONI-

MONI·

MONI-

MONI·

to

RIGHT-REAR

or

LINE

6.

Pull the in Figure 12.

7.

Set the controls and switchesasf.ollows:

FRONT REAR

L-R FRONT·REAR MODE DIMENSION BASS

and

VOLUME

MAIN

SPKR

REMOTE

FM

MUTING

MONITOR

LOW

FILTOR

HI

FILTER LOUDNESS DOLBY

400Hz

TONE

POWER

INPUT

IN

AM

ferrite-rod antenna

L·R

BALANCE

TREBLE

Controls

SPKR

(TAPE/SOURCE)

to

REAR

TOR

OUT

Mid

position

Mid

position

Mid

position

VARI·MATRIX

Mid

position

Mid

position

Minimum

ON

(in)

OFF

(out)

ON

(in)

SOURCE

OFF

(out)

OFF

(out)

OFF

(out)

OFF

(out)

OFF

(out)

TAPE

MONI·

R

outasshown

(fully

counter·

clockwise)

LEFT·REAR or

LINE

INPUT

IN

RIGHT·FRONT

or

LINE

IN

3

INPUT

to

REAR

TOR

to

FRONT

TOR

OUT

TAPE L

TAPE R

MONI·

8.

Plug

the 4300

9.

Turn the

10. Select the desired program source

the SELECTOR Switch tion.

into

POWER

the AC wall outlet.

Switch ON.

to

appropriate posi-

by

setting

I I

I

I I

11.

If

phonoisselected,

If

FMisselected,

12. Increase

the

VOLUME controltoa

put

on a stereo record.

tunetoa stereo broadcast.

comfort~

able listening level.

Your complete 4-ehannel

operative, and you may experiment with

to

ous controls

discover their effects.

The remainderofthis manual explains your

system most effectively.

or

stereo systemisnow

the

howtouse

vari-

SOURCE DEVICES

2-ehannel

to

A stereo record player may be connected

the

PHONO jacks.

High

level

2-channel playback devices (tuner,

tape player, record player with equalized high

level

output,

FRONT TAPE MONITOR and CD-4!AUX

etc.) may be connected

to

the

IN-

PUTS.

4-ehannel

Discrete 4-channel playback devices (0-8 cartridge player,

disc demoduiator, etc.) may be connected

4-channel reel-to-reel player, CD-4 discrete

to

the

CD4!AUX, TAPE MONITOR 1orTAPE MONI·

TOR 2

input

jacks.

REMOTE SPEAKERS

The 4300 can accommodate remote speaker systems. A second group four speakers may be set

Connect these four remote speakers MOTE SPEAKERS terminals as

both

main and

upinanother

to

you

the

did

of

room.

RE-

the main speakers. The

MAIN front panel now permit activationofMAl or

REMOTE groups of loudspeakers.

NOTE: Do

and REMOTE SPKR Switches on

not

use

~Ohm

remote speakers are neously. Use

8-

speakers if main and

to

be

or

16-Ohm speakers only.

the

Nand!

used simulta-

I

FAOHT

LEFT

F"""T RIGHT

REAlI

LEFT

RUR RIGHT

r--";",,.,

......

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FIlOIIT

LEfT

FIlONT

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REAR

LEFT

ourl'\lT

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FRONT

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REAR

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Figure3.Connection

Diagram

4

SPEAKER PHASING

To

assure

the

best 4-channel or Stereo separation and frequency response, verify

1.

After place

that

all four speakers are correctly phased.

the

speakers are connectedtothe

all

four speakers in

room.

the

following tests will

the

center of

4300,

the

9. Once having phased not

need you now code the

repeat

the

speaker cables. Any

satisfactory, provided

future,

to

duplicate

your

the

procedure in

speaker connections and/or

it

your

between speakers and amplifiers.

SPEAKER PLACEMENT

four speakers, you

the

future if

methodofcoding

enables you, in

the

now-correct hookup

is

2. Set MODE Switch or

(or radio

tape) with strong bass tones,ata low volume level. Center and REAR

at

MONO.

L-R

BALANCE controls.

Play a record

the

FRONT

FRONT-REAR BALANCE controlatextreme FRONT position.

3.

Position about particularly

the

front (left and right) speakers

six inches apart, face-to-face. Listen,

to

the

apparent loudness

bass tones.

but

do

not

4. Next, turn off all power, the volume,

tone

or balance settings. Reverse

disturb

connections on the right-front speaker only.

Turn on bass tones now seem louder than have corrected

the

power, and listen again.

the

phasing between

in

(3), you

the (left and right) speakers. If the bass tones now sound softer, then turn re-connect

the

right-front speaker as you first

off

all

power and

had it connected.

5. Now check phasing between

and rear) speakers.

Set

REAR L-R BALANCE controls

the

two

both FRONT

at

extreme L

left (front

L-R

position, and set FRONT-REAR BALANCE for

the

two

equal loudness from

tion

the

two

speakers face-to-face,

inches apart, and listen

'.

,~

~

6.

Turn

off

power. Experimentally reverse con-

nections only on

the

connection which gives the

in

(4).

for bass as

left-rear speaker.

speakers. Posi-

about

in

(3).

Use

"best"

bass,

of

If

front

L-R

Set

the

and

six

the

as

Experimentation will reveal

your

locations in

shown in Figure

room. The placements are

4.

the

best speaker

7. Last, check phasing between

the

two

rear

(left and right) speakers. Center both FRONT

Set

and REAR BALANCE controls. REAR BALANCE control

position. Position

the

at

two rear speakers face-

extreme REAR

FRONT-

to-face as before. Listen for bass.

8. Turn off power. Experimentally reverse conthe

nections only on

to

again connecting will

determine

then be

the

in

right-rear speaker. Listen

the

"best"

right-rear speaker.

bass method

All

speakers

phase, and you may use all

of

controls normally.