Kenwood KAC-721 Manuel utilisateur

COOMN=A»

KAC-721

STEREO

POWER

AMPLIFIER

INSTRUCTION

MANUAL

AMPLIFICATEUR

PUISSANCE

STEREO

EMPLOI

STEREO-ENDSTUFE

BEDIENUNGSANLEITUNG

AMPLIFICATORE

POTENZA

STEREO

ISTRUZIONI

PER

L’'USO

KENWOOD

CORPORATION

@©PRINTED

JAPAN

B50-7909-00(E,

T)(T)

90/12

1110987654321

89211109

ENGLISH

CARE

AND

MAINTENANCE

PR,

Tie

The

power

source

this

unit

exclusively

negative

ground.

not

place

the

amplifier

place

where

the

amplifier

may

exposed

direct

sun-

light,

heat

moisture.

careful

that

metal

objects

and

water

not

enter

the

set.

you

have

difficulty

installing

the

set

your

car,

please

contact

with

your

KENWOOD

dealer.

Cleaning

Clean

with

dry

silicone

cloth

soft

cloth.

The

use

thinner,

alcohol

other

solvents

may

damage

the

surface

finish.

(En)

ACCESSORY

No.

Part

name

External

View

Number

units

Power

connection

cord

@®

Extension

cable

rae

Satie

Tapping

screws

(¢4

45)

O-———rom

(En)

CONNECTIONS

INSTALL

MANNER

GSS

Before

installation

and

wiring,

remove

the

(—)

terminal

the

battery

pre-

vent

short-circuiting.

Connect

the

input

and

output

cords

the

system.

Connect

the

ground

the

metal

chassis

the

car.

Connect

the

back-up

power

supply

lead

(yellow).

Install

the

set

and

after

confirming

the

installation

and

wirings

are

correct,

connect

the

(—)

terminal

the

battery.

RCA

cord

Left

(White)

Right

(Red)

{fa

fuse

blown,

first

check

that

the

associated

wires

are

not

short-

circuited

then

replace

the

fuse

with

;

Power

connection

cord

new

one

having

the

same

capacity.

Ground

(Black)

(Green

stripe)

en)

Input

sensitivity

control

Power

control

The

input

sensitivity.

contro!

adjusts

the

input

sensitivity

wi-

power

supply

thin

range

0.1

5.0

continuously,

enabling

ex-

pansion

with

various

systems.

This

unit

has

been

set

for

0.3V.

KENWOOD

head

unit

preout

level

(MAX.)

Amplifier

input

sensitivity

300

0.1

0.3~0.5

CASSETTE

RECEIVER,

GRAPHIC

EQUALIZER

etc.

(optional)

pil

Output

CASSETTE

RECEIVER,

CAUTION

GRAPHIC

EQUALIZER

not

connect

the

set

two

etc.

input

systems

time.

(optional)

Connect

the

ground

lead

the

metal

part

which

connected

the

(—)

terminal

the

battery.

Details

DIN

Right

channel

@®

(Red)

Ground

Power-control

(Orange)

Left

channel

@®

(White)

Power

supply

(Yellow)

@®

Battery

Left

speaker

Right

speaker

rs)

(En)

HSIDN2

INSTALLATION

Installation

¢When

installing

the

car,

install

the

unit

se-

curely

for

safety

driving.

¢Use

screws

supplied

accessories

when

install-

ing

the

unit.

install

the

unit

well-

ventilated

place

and

not

place

the

(heavy)

ob-

ject

it.

CAUTION

When

making

the

hole,

not

damage

the

fuel

tank,

brake

tube,

wiring

harnesses,

etc.

the

other

side.

Installation

location

Since

the

power

amplifier

has

parts

which

require

operation,

can

installed

position

away

from

the

driver’s

seat

without

any

hinderances.

generally

accepted

positions

for

its

installation,

places

such

under

the

front

seat

inside

the

trunk,

etc.

can

considered.

Use

the

extension

cables.

CA-8L

(0.5

m),

CA-18L

m),

CA-28L

m),

CA-48L

m),

and

CA-68L

(optional)

when

the

connected

models

are

installed

away

from

the

power

amplifier.

(En)

TROUBLESHOOTING

GUIDE

What

often

appears

malfunction

often

due

user

error

operation

connection.

When

trouble

occurs

with

your

unit,

please

check

the

following

before

calling

for

service.

Symptom

Cause

Remedy

The

sound

level

low.

speaker

cord

has

become

uncon-

Check

the

speaker

cord

con-

(No

sound

from

one

nected.

nections.

side.)

The

sound

quality

The

speakers

are

connected

Connect

each

speaker

terminal

bad.

(The

sound

dis-

the

same

wires.

its

respective

speaker

output.

torted.)

speaker

cord

pinched

Check

the

speaker

wiring.

screw

the

car

body.

SPECIFICATIONS

Specifications

subject

change

without

notice.

Audio

section

Max

Power

Output-(1-kH2).4

Deities

Gaia

idenl

bel

ecevccdalicscereebaceveess

ves

W+70

Rated

output

power

(less

than

0.5%

THD,

kHz,

Q)...........

W+37

Frequency

Response

(—3

dB)

......

ccc

cece

ee ee

tate

eneueatueu

sarees

kHz

Sensitivity

(rated

Output)

MAX.

0...

cece

cee

cece

eeeeeeeenensateesesesanaenens

0.1

NAVIN,

sesegrcite

cam

ciate

ina

trdaedcuaditecueranecth

sedated

etek

meta

5.0

Sidnalito

(NOISC

RatiOvistewcteseus

sediuvvorbengnneewotandetdases

etebiineda

sabageus

weedeasy

105

IAPUt:

IMPCAUANCE!

coeds

etcs

eed

teh

aard

ead

Sunda

wndiin

Gueneeai

Sah

elec

Pou

thus

wena

takee

Damping,

Factor

(VOOHZ)

sicsescsciis

each

ied

inmate

Hae

Sine

Meebderdtnnd

get

than

100

General

Operating:

VOMage:

sex

sma

vieersia

Hadi

eoetsgundidduewesaeedeeds

14.4

(11

allowable)

Current

Consumption

(MAX)

csc

civcs

aacveae

elds

vasun

cues

diganeeveddedads

chgaa

dae

cowed

9.5A

DIMenSiONS$(WEX

D)iscicasedescewcnncas

sig.

ney

trad

mates

aiinek

beeteoresieeen

220

150

WGN

scieeitrvs

tein

aecaalena

shelves

eitek

cance

eatiudih

cate

cesar

elke

taba

toda

tin

hele

aduannsnd

cade

1.6

{En}

HSI9NAa

CGOO/ANS>D|

STEREO

POWER

AMPLIFIER

KAC-721

INSTRUCTION

MANUAL

KENWOOD

CORPORATION

Take

the

time

read

through

this

instruction

manual.

Familiarity

with

installation

and

operation

procedures

will

help

you

obtain

the

best

performance

from

your

new

pow-

amplifier.

For

your

records

Record

the

serial

number

found

the

bottom

the

unit

the

spaces

designated

the

warranty

card

and

the

space

provided

below.

Refer

the

model

and

serial

numbers

whenever

you

call

upon

your

KENWOOD

dealer

for

informa-

tion

service

this

product.

Model

KAC-721

Serial

number

@©PRINTED

JAPAN

B50-7906-00(K)(T)

90/12

1110987654321

89/1211109

TROUBLESHOOTING

GUIDE

ING

TET

MRI

EES

What

often

appears

malfunction

often

due

user

error

operation

connection.

When

trouble

occurs

with

your

unit,

please

check

the

following

before

calling

for

service.

Symptom

Cause

Remedy

The

sound

level

low.

speaker

cord

has

become

uncon-

Check

the

speaker

cord

con-

(No

sound

from

one

nected.

nections.

side.)

The

sound

quality

The

speakers

are

connected

Connect

each

speaker

terminal

bad.

(The

sound

dis-

the

same

wires.

its

respective

speaker

output.

torted.)

speaker

cord

pinched

Check

the

speaker

wiring.

screw

the

car

body.

SPECIFICATIONS

Specifications

subject

change

without

notice.

Audio

section

Max

Power

Output

kHz,

4.Q)....0...c

cece

ccceeceueceuseeueseuuceuareseens

W+70

Rated

output

power

(less

than

0.5%

THD,

kHz,

4Q)...........

W+37

Frequency

Response

(—3

dB)............cccccccccccesaccuceucseceuetaeseuseuesereeuss

kHz

Sensitivity

(rated

output)

MAX.

.0.......

ccc

ccecccecceeceeceveseuessuesceetuureeueteueeenneenes

0.1

MUNG

cotidisey

fon

etree

gycay

Pentetehds

iia

ecaenite

thicesslauvamiuarecns

vOeeE

5.0

sighal.

o"NOiSe:RatlO

ccwe

pes

Hennes:

dado

avs

vee

nic

hued

dans

Ghdbrdds

ehivadued

da.teedebtss

105

[ip

IMPSAAnCE:s..:.s5322.acecacaden

aed.

dadeSalaooretaae

cinta

duat

lec.)

deuce

wlan

coo

anlecn

eee

Damping

Factor

(100

HZ)

..........cccceeececcceseeecusccuecceuseseueceerateeeauansees

than

100

General

Operating.

VOMa

jscceitecic

tes

ciakaas

Miele

nniecivedeteeadeah

ants

14.4

(11

allowable)

Current

Consumption

(MAX)

...........cccccceccessecsecuccaeseceueseeseuesusetarsenccuteuteerrens

9.5A

Dimensions

(WX

D)..........ccccccceccesceceeeeseeseueeusertanseseuneeenes

220

150

(8-11/16

1-3/4

5-7/8

in.)

GIGb

nice

cette

ka ee

rats

hee

eet

tdin

Manat

Aad

1.6

(3.5

Ib)

WARNING

PREVENT

ELECTRIC

SHOCK,

FIRE

AND

OTHER

INJURY.

PLEASE

NOTE

THE

FOLLOWINGS:

keep

good

ventilation,

not

anything

not

drop

pieces

metal,

needles,

top

the

unit.

coins

and

other

electrically

conductive

materials

into

the

unit.

The

unit

designed

connected

not

place

the

unit,

where

will

ex-

and

negative

grounding.

posed

direct

sunlight

heat-

ing

device.

not

open

enclosure,

such

front

not

dash

water

the

unit.

panel,

top

bottom

cover.

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