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Specifications

Specifications subject to change without notice.

Audio Section

Max Power Output (4 

) ..............................................................................240 W 

×

1 (at 100 Hz)

Rated Power Output (4 

) ........................................120 W 

×

1 (DIN45324, +B=14.4V, at 100 Hz)

Rated Power Output

(2 

) ........................................................160 W 

×

1 (0.8 % THD at 100 Hz)

Signal to Noise Ratio............................................................................................................100 dB
Sensitivity (MAX)  ..........................................................................................0.15 V (rated output)

Sensitivity

(MIN)  ..............................................................................................4.0 V (rated output)

Input Impedance ....................................................................................................................10 k

Damping Factor........................................................................................................More than 100
Low Pass Filter Frequency (12 dB / oct.) ....................................................30 ~ 200 Hz (Variable)

General

Operating Voltage ................................................................................14.4 V (11 ~ 16 V allowable)
Current Consumption (1 kHz, 10% THD, 4 

) ........................................................................15 A

Dimensions (W 

×

×

D)..................................................................................290 

×

56 

×

170 mm

Weight ..................................................................................................................................3.0 kg

Troubleshooting Guide

What might appear to be a malfunction in your unit may just be the result of slight
misoperation or miswiring. Before calling service, first check the following table for possible
problems.

PROBLEM

POSSIBLE CAUSE

SOLUTION

No sound.
(No sound from one side.)

The output level is too
small (or too large).

The sound quality is bad.
(The sound is distorted.)

• Input (or output) cables are

disconnected.

• Protection circuit may be

activated.

• The fuse may be blown

because the volume was too
high.

The input sensitivity adjusting
control is not set to the correct
position.

• The speakers cable are

connected with wrong 

+

-

polarity.

• A speaker cable is pinched by a

screw in the car body.

• The switches may be set

improperly.

• Connect the input (or output)

cables.

• Check connections by referring

to "Protection function".

• Replace the fuse with a new

fuse and use a lower volume.

Adjust the control correctly
referring to “Controls”.

• Connect them properly checking

the 

+

-

of the terminals and

cables well.

• Connect the speaker cable again

so that it is not pinched by
anything.

• Set switches properly by

referring to "Controls".

Summary of Contents for KAC-718

Page 1: ...KAC 718 B64 1357 00 EM MONO POWER AMPLIFIER INSTRUCTION MANUAL ...

Page 2: ... exposed to direct sunlight or excessive heat or humidity Also avoid places with too much dust or the possibility of water splashing When replacing a fuse only use a new one with the prescribed rating Using a fuse with the wrong rating may cause your unit to malfunction To prevent a short circuit when replacing a fuse first disconnect the wiring harness If you experience problems during installati...

Page 3: ...ct driving If the unit comes off due to a shock and hits a person or safety part it may cause injury or an accident After installing the unit check to make sure that electrical equipment such as the brake lamps turn signal lamps and windshield wipers operate normally 2CAUTION Installation board etc thickness 15 mm or more Self tapping screw ø4 16 mm 1 Remove the ignition key and disconnect the neg...

Page 4: ...ntrol Set this control according to the pre output level of the center unit connected with this unit or to the maximum power output of the genuine accessory car stereo Use the diagram on the right as a guide For the pre output level or the maximum power output refer to the Specifications in the instruction manual of the center unit 4 LOW PASS FILTER FREQUENCY control This control adiusts the frequ...

Page 5: ...etc or this unit is not connected to a metal part serving as an electrical ground passing electricity to the battery s negative terminal MONO POWER AMPLIFIER MONO SPEAKER OUTPUT Power indicator Connection Speakers cable connection MONO POWER AMPLIFIER MONO SPEAKER OUTPUT MONO SPEAKER OUTPUT Lead terminal Commercially available parts Subwoofer Speaker Selection The rated input power of the speakers...

Page 6: ...T 25 GND LINE IN MAX 30 200 0 3 0 5 50 1 70 120 1 0 90 MIN INPUT SENSITIVITY V BASS ENPHASIS POWER IN GND FUSE 25A BATT P CON REMOTE OFF ON LEFT LOWPASS FILTER FREQUENCY Hz L R RIGHT SPEAKER LEVEL INPUT 25 RCA cable connection CENTER UNIT Cassette receiver CD receiver etc Power control cable Commercially available part RCA cable Commercially available part Do not connect cables and leads to both R...

Page 7: ...tach a protective fuse into the battery wire close to the battery Use a protective fuse having a capacity that is about 10 A higher than the maximum current drawn by the amplifier Use vehicle type fire resistant power supply wiring wire for the battery wire and the ground wire The current capacity of the power supply wiring wire should be about 10 A higher than that of the protective fuse capacity...

Page 8: ...irst check the following table for possible problems PROBLEM POSSIBLE CAUSE SOLUTION No sound No sound from one side The output level is too small or too large The sound quality is bad The sound is distorted Input or output cables are disconnected Protection circuit may be activated The fuse may be blown because the volume was too high The input sensitivity adjusting control is not set to the corr...

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