Kenwood KAC 923 Owners Manual

Page 1

POWER AMPLIFIER

KAC-923
KAC-823

INSTRUCTION MANUAL

KENWOOD CORPORATION

Take the time to read through this instruction manual.
Familiarity with installation and operation procedures
will help you obtainxthe best performance from your
new power amplifier.

For your records

Record the serial number found on the bottom of the unit
in the spaces designated on the warranty card and in the
space provided below. Refer to the model and serial
numbers whenever you call upon your KENWOOD dealer
for information or service on this product.

Model KAC-923/823 Serial number

©PRINTED IN JAPAN 364-0187-20(K)(MC)
95/12

Page 2

SAFETY PHECAUTlONS

A WARNING

Observe the following instructions to
prevent fires and personal injury.

0 When the Power supply lead, Memory
backup lead or Ground lead are
extended, use a 5 mm2 (AWG 5) or
larger automotive grade cable which
will withstand friction and heat to safe
guard against fires occurring as a
result of short-circuiting.

0 Make sure that metal objects,
particularly needles or coins do not
get into the unit to prevent short-
circuiting and fires.

0 If smoke comes out of the unit or a
strange smell is present disconnect
the unit immediately and consult your
KENWOOD dealer. Continued use
under these circumstances could
cause a fire, as well as damage the
unit permanently.

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

A CAUTION

Heed the following instructions to keep
the unit in proper working order.

0 The unit should be connected to a

12 V DC power supply with a minus
ground connection.

0 Do not open enclosures, such as the

front panel. top or bottom covers.

0 Do not place the unit, where it will be

exposed to direct sunlight or near
heating devices.

0 Do not expose the unit to water.

0 Do not place the unit in areas of

excessive dust, high humidity or on
unstable surfaces. ,

e To keep good ventilation, do not

anything on top of the unit.

Page 9

I Installation location

0 Since the power amplifier has no parts which require operation, it can be installed at
a position away from the drivers seat without any hinderances.
As generally accepted positions for its installation, places such as inside the trunk,
etc. can be considered.

0 Use the extension cables (Optional)

"9 0,5 m 1 m 2 m 4 m 6 m

RCA CA-ZS CA~12$ CA-2zs
RCA (as mmi CA-3W CA-13W CA-23W CA-43W CA-63W
MEGA («>12 mm) CA-5W CA-15W CA-25W CA-45W CA-65W

Type

A CAUTION

0 Install this unit in a location which allows heat to easily dissipate.
Once installed, do not place any object on top of the unit,

0 When the units internal temperature rises, the built-in cooling fans automatically
operate to cool the unit, When selecting an installation position, be careful that the
fan exhaust holes are not blocked so that hot air can be discharged from the unit. if
the [an exhaust holes are blocked, cooling operation will be hindered causing the unit

to malfunction.

Cooling fan exhaust holes

0 After installing the'unit, check to make sure that electrical equipment such as the
brake lamps, turn signal lamps and windshield wipers operate normally.

Page 13

BRIDGEDIMDNAURAL SYSTEM

-

I SYSTEM EXAMPLE

This unit can be used as a monaural amplifier by setting the operation switch to the ,
Bridged/Mono position. This allows you to combine two units to create a high-
powered sound system.

T'FII-MDDE
STEREO

l

BRIDGED / MONO (Lch INPUT]

4n 0 I 20/ BRIDGED

< Connection >
Left speaker

If the RCA cable-
has ground leadI
connect the ground
lead to the "GND"
terminal, (See P. 6)

Refer to P. 7 for details
on power source wiring.

CENTER UNIT
(Cassette receiver,
Graphic equalizer etc.)

Mono input

Power control terminal Power amplifier for R011

Right speaker D44

A CAUTION

0 Be sure that the combined impedance of your speaker system as seen from the
KAC-9231823 is at least 2 ohms. An impedance of less than 2 ohms will damage the
amplifier.

Refer to P. 7 for details
on power source wiring.

13

will