Kenwood KAC-626 Manuale utente

<ENWOOD

POWER

AMPLIFIER

KAC-626

KAG-606

INSTRUCTION

MANUAL

KENWOOD

CORPORATION

B64-0775-00

(K)

(MC)

Take

the

time

read

through

this

instruction

manual.

-amiliarity

with

installation

and

operation

procedures

will

help

you

obtain

the

best

derformance

from

your

new

power

amplifier.

-or

your

records

2ecord

the

seria!

number,

found

the

back

the

unit,

the

spaces

designated

the

warranty

card,

ind

the

space

provided

below.

Refer

the

model

and

serial

numbers

whenever

you

call

upon

your

<ENWOOD

dealer

for

information

service

the

product.

Viodel

KAC-626/606

Serial

number

AWARNING

Take

the

following

precautions

prevent

ire

and

avoid

personal

injury

When

extending

the

battery

cable,

ground

cable,

use

3mm

(AWG12)

larger

automotive

grade

cable

avoid

cable

deterioration

damage

the

covering.

Check

that

metal

objects

(coins,

tools,

etc.)

are

jeft

inside

the

unit

avoid

short

circuits.

you

smell

see

smoke,

turn

the

power

off

immediately

and

consult

your

Kenwood

dealer.

not

touch

the

unit

during

use

because

the

surface

the

unit

becomes

hot

and

may

cause

burns

touched.

ACAUTION

Take

the

following

precautions

keep

‘he

unit

proper

working

order.

sure

the

unit

connected

12V

power

supply

with

negative

ground

connection.

not

open

the

top

bottom

cover.

not

install

the

unit

places

exposed

direct

sunlight,

high

heat

humidity,

water

may

splash

over

it,

dust

exists.

—woTE]

you

have

difficulty

installing

this unit

your

vehicle,

contact

your

Kenwood

dealer.

Cleaning

the

unit

e®

the

surface

dirty,

wipe

clean

with

silicon

cloth

soft

dry

cloth

with

the

power

off,

ACAUTION

not

use

hard

cloths

paint

thinner,

alcohol,

other

volatile

solvents.

These

may

damage

external

surfaces

remove

indicator

characters.

FCC

WARNING

This

equipment

may

generate

use

radio

frequency

energy.

Changes

modifications

this

equipment

may

cause

harmful

interference

unless

the

modifications

are

expressly

approved

the

instruction

manual.

The

user

could

lose

the

authority

operate

this

equipment

unauthorized

change

modification

made.

External

Number

View

Items

Core

Self-tapping

screws

(94

16mm)

Terminal

cover

(Power

terminal)

Operations

the

following

control

and

switches

are

required

accordance

with

the

center

unit

and

speakers

connected

with

this

unit.

RCA

CABLE

GROUND

LEAD

terminal

FILTER

switch

These

switches

allow

filtering

the

speaker

output

signals.

HPF

(High

Pass

Filter)

position

(KAC-626

only)

"Only

frequencies

150

higher

are

output.

(Frequencies

below

150

are

cut.)

LPF

(Low

Pass

Filter)

position

Only

frequencies

lower

are

output.

(Frequencies

above

are

cut.)

OFF

position

The

original

sound

without

filtering

output.

OPERATION

switch

This

switch

allows

select

the

amplification

method

input

signals.

STEREO

position

The

input

left

and

right

signals

are

amplified

separately.

Use

this

position

when

the

unit

stereo

amplifier.

L+R

position

(KAC-626

only)

The

input

left

and

right

signals

are

combined

before

being

amplified.

Use

this

position

when

the

unit

used

for

subwoofer

speakers

the

L+R

(monaural)

sound

required.

MONO

(Lch)

position

;

Amplifies

the

signal

input

from

the

left

side

only.

Set

this

position

and

make

bridged

connections

use

high-power

monaural

amplifier.

(The

input

right

signal

not

output.)

INPUT

SENSITIVITY

control

Maximum

power

Center

unit

Amplifier

input

output

genuine-

exes

accessory

car

stereo.)

Preout

level

sensitivity

Set

this

controi

according

to.the

pre-output

level

300

MAX

(0.15

(OW

[800-1000

the

center

unit

connected

with

this

unit,

the

maximum

power

output

the

genuine-

1.0

V~MIN

accessory

Car

stereo.

For the

pre-output

level

the

maximum

power

output,

refer

the

“Specifications”

the

instruction

manual

the

center

unit.

LINE

terminal

SPEAKER

LEVEL

INPUT

terminal

English

FUSE

(25

BATTERY

terminal

(9)

GROUND

terminal

POWER

CONTROL

(REMOTE)

LEAD

terminal

SPEAKER

OUTPUT

terminals

KENWOOD

POWER

AMPLIFIER

POWER

INDICATOR

;

When

the

power

turned

on,

the

Power

indicator

lights.

the

Power

indicator

does

not

light

when

the

power

turned

on,

the

protection

function

may

activated.

Check

whether

there

any

indication

trouble.

This

unit

equipped

with

protection

function

for

protecting

this

unit

and

your

speakers

from

various

accidents

problems

that

can

occur.

When

the

protection

function

triggered,

the

Power

indicator

goes

off

and

the

amplifier

stops

operating.

The

protection

function

activates

the

following

situations:

When

speaker

output

contacts

ground.

When

the

unit

malfunctions

and

signal

sent

the

speaker

output.

When

the

temperature

internal

parts

exceeds

120°C

(248°F).

When

ground

cable

the

center

unit

(cassette

receiver,

etc.)

this

unit

not

connected

metal

part

serving

electrical

ground

passing

electricity

the

battery's

negative

terminal.

Power

indicator

Frnoalich

Installation

procedure

Remove

the

ignition

key

and

disconnect

the

negative

terminal

the

battery

prevent

short

circuits.

Connect

the

input

and

output

cables

the

units.

‘8.

Connect

the

speaker

cables.

Connect

the

ground

cable

and

battery

cable

the

order

listed.

Install

the

unit

the

car.

Connect

the

negative

terminal

the

battery.

the

fuse

blows,

check

cables

for

shorts,

then

replace

the

fuse

with

one

the

same

rating.

Check

that

unconnected

cables

connectors

are

touching

the

car

body.

not

remove

caps

from

unconnected

cables

connectors

prevent

short

circuits.

Connect

the

speaker

cables

appropriate

speaker

connectors

separately.

Sharing

the

negative

cable

the

speaker

grounding

speaker

cables

the

metal

body

the

car

can

cause

this

unit

fail.

After

installation,

check

that

the

brake

lamps,

winkers,

and

wipers

work

properly.

not

install

the

unit

under

the

carpet.

Otherwise

heat

build-up

occurs

and

the

unit

may

damaged.

“

Self-tapping

screw

(84x

16mm)

ate:

Installation

board,

etc.

(thickness

more)

Since

the

power

amplifier

has

parts

which

require

operation,

can

installed

position

away

from

the

driver's

seat

without

any

hindrances.

generally

accepted

positions

for

its

installation,

places

such

inside

the

trunk,

etc.

can

considered.

install

this

unit

location

which

allows

heat

easily

dissipate.

Once

installed,

not

place

any

object

top

the

unit.

After

installing

the

unit,

check

make

sure

that

electrical

equipment

such

the

brake

lamps,

turn

signal

lamps

and

windshield

wipers

operate

normally.

install

the

unit

securely

location

that

does

not

interfere

with

driving.

English

With

the

KAC-626/606,

subwoofer

can

added

easily

the

speaker

system

marking

use

the

properties

coils

and

capacitors.

This

mode

operation

called

Tri-mode.

Principle

Tri-mode

Method

frequency

band

division

using

coil

and

capacitor

seein

case

6dB/oct.

slope

Output

Crossover

Frequency

"ns

CX;

Frequency

-3

Output

‘

i=>

Frequency

Coil

{(L):

Passes

tow

frequencies

and

blocks

high

frequencies.

(Low

pass)

Capacitor

(C):

Passes

high

frequencies

and

blocks

low

frequencies.

(High

pass)

Your

coil

and

capacitor

Use

the

following

formula

identify

the

coil

and

capacitor

you

need

your

system.

159000

159xR

aH.

(uF)

(mH)

fc=Cut

Frequency

(Hz)

R=Speaker {mpedance

(Q)

Example:

When

required

set

crossover

frequency

120

using

speakers

with

impedance

ohms.

Prepare

commercially-available

coil

and

capacitor

with

the

closest

ratings

the

results

calculated

from

the

formula

above.

The

capacitor

rating

should

possible

331.25

(uF)

and

the

coil

rating

shouid

possible

5.3

(mH).

mSystem

example

use

the

Tri-mode

configuration,

set

the

OPERATION

switch

the

STEREO

position.

Fuli-range

speakers

(Low

cut)

Subwoofer

(Monaural)

ACAUTION

you

wish

bridge-connect

speaker,

such

subwoofer,

shown

above,

the

speaker

impedance

must

!ess

than

ohms.

Connecting

speaker

with

impedance

!ower

than

ohms

may

damage

the

unit.

Frnolich

_@System

connection

RCA

cable

ground

lead

terminal

When

using

RCA

cable

with

ground

lead

attached,

connect

the

ground

lead

this

terminal.

ACAUTION

not

connect

cables

and

leads

both

RCA

cable

input

jacks

and

the

speaker

input

terminals

simultaneously,

for

this

may

cause

maifunction

damage.

Left

output

(White)

CENTER

UNIT

(Casstte

receiver,

Graphic

equalizer

etc.)

Power

control

jead

{Commercially

available

part)

ACAUTION

not

use

this

terminal

for

power

source

grounding.

This

unit

will

damaged

the

power

source

grounding

wire

connected

this

terminal.

Battery

terminal

Ground

terminal

Power

contro!

terminal

speaker

Left

speaker

Terminal

cover

Power

terminal

Pass

battery

and

ground

cables:

through

supplied

terminal

cover

and

connect

respective

terminals.

After

completing

connections,

fasten

terminal

cover

over

terminal

bracket.

Speaker

output

terminal

Connect

the

speaker

output

cables

these

terminals.

Speaker

terminal

polarity

Lead

terminal

(Commercially

available

part)

Terminal

cover

Lead

terminal

Power

control

(Commercially

available

part)

Speaker

output

cable

Ground

cable

P :

buzzing

noise

heard

from

the

speakers

when

the

engine

running,

connect

line

noise

filter

(optional)

each

the

battery

cable.

KS)

prevent

fire

caused

short

the

wiring,

connect

fusible

link

Battery

breaker

nearby

the

battery's

positive

terminal.

Connect

the

ground

cable

metal

part

the

car

chassis

that

acts

electrical

ground

passing

electricity

the

battery's

negative

terminal.

not

turn

the

power

the

ground

cable

not

connected.

English

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