Kenwood KAC 745 Owners Manual

Page 1

4-CHANNEL POWER AMPLIFIER

KAC-745

INSTRUCTION MANUAL

KENWOOD

KENWOOD CORPORATION

©PHINTED IN JAPAN Est-0521470 (KKMG)
95/12 ll 10 9 B 7

Take the time to rand through
this instruction manual.
Familiarity with installation and
operation procedures will help
you obtain the best
performance from your new 4-
channal power amplifier.

For your records
Record the serial number, found
on the back of the urrit in the
spaces designated on the
warranty card, and in the space
provtded below. Refer to the
model and serial numbers
whenever you call upon your
KENWOOD dealer for information
or service on the product.
Model

KAC-745

Serial number

Safety precautions

Take the following precautions
to prevent tire and avoid
personal iniury :

- When extending :he power
supply cable, memory backup
cable, or ground cable, use
13mm2 IAWGlZ) or larger
automotive grade cable to avoid
cable deterioration or damage to
the covering.

. Check that no metal objects

(coins. tools, etc.) are left inside

the unit to avoid short circuits,

ll you smell or see smoke, turn

the power off immediately and

consult your Kenwood dealer.

¢ Do not touch the unit during use
because the surface of the unit
becomes hot and may cause
burns if touched.

A CAUTION

Take the following precautions
to keep the unit in proper
working order.

- Be sure the unit is connected to
a 12V DC power supply with a
negatlve ground connection,

0 Do not open the top or bottom
cover.

- Do not install the unit in places
it is exposed to direct sunlight.
high heat or humidity, water
may splash over it. or dust
exists.

o If you have difficulty in installing
this unit in your vehicle. contact
your Kenwood dealer.

cleaning the unit

I If the surface is dirty, wipe it
clean with a silicon cloth or soft
dry cloth with the power off.

A CAUTION

Do not use hard cloths or paint
thinner, alcohol, or other volatile
solvents, These may damage
external surfaces or remove
indicator characters,

FCC WARNING
This equipment generates and
uses radio frequency energy.
Changes or modifications other
than those expressly approved
In the instruction manual may
cause interference with radio
and television reception.
Unauthorized changes may lead
to the users loss of the
authority to operate this
equipment.

Page 2

System Examples

I System example 1 .
When two KACV745 are used as 2-channel amplifiers, a high power 4-
channel amplifier can be configurated.

L
Front L e Front
" 1 E Egg-4 Leflspeaker
Front
Righr speaker

CENTER UNIT
[Casunfic receiver,
Graphic equalizer ete.l

Rear
Left speaker

Hear
Right speaker

I System example 2.

A mum-amp system is configured with a single unit by sending the
output from amplifier A through the high pass filter for use as the signal
for the high frequency speaker and sending the output from amplifier B
through the low pass filter for use as the signal for the low frequency
speaker.

CENTER UNlT '- Full-range
(Cassette receiver, Output u IEHL speaker
Graphic equalizer are.) R '3 EgD-Cfl R (Law cur)
El Esta Sub woofer
Switch setting -. In E: (L + H)
mm. men mm. ll
fire-.3 Mr." m m

@m e e: are.

I System example 3.
Addition of subwoofer speaker using the Line output signals

9 L
m 35%:th Front speaker

Graphic equalizer etc.) a,
e: _fl
'3 CD3 L Hear speaker
El m] :i-cfln

CENTER UNIT Front
(Cassette receiver,

El

KAersszsm - II Sub wooter
etc. ioniionall - (L + R)
witch setting

Myriam. rat

I Set the Low pass filter switch to ON and set
the frequency control to the 80 Hz position.

- Use a power amplifier
equipped with the low pass
filter function (KAC-PSZDD/ UFF . . 0N EEELLEEJJ:
Psrso, etc.). 35 5.qu

- For details on the system
connection, power
connection, etc.. please
refer to the instruction
manual provided With your
power amplifier.

LOlNP F R

59 to SDHI.