Kenwood KAC-718 PROBLEM, POSSIBLE CAUSE, SOLUTION, Specifications subject to change without notice, Audio Section, General

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.	• Input (or output) cables are
(No sound from one side.)	disconnected.
	• Protection circuit may be
	activated.
	• The fuse may be blown
	because the volume was too
	high.

•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.

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

The input sensitivity adjusting	Adjust the control correctly
control is not set to the correct	referring to “Controls”.
position.

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

•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 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".

Specifications

Specifications subject to change without notice.

Audio Section

Max Power Output (4 Ω ) ..............................................................................	240 W ⋅ 1 (at 100		Hz)
Rated Power Output (4 Ω ) ........................................	120 W ⋅ 1 (DIN45324, +B=14.4V, at 100		Hz)
Rated Power Output (2 Ω ) ........................................................	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 kΩ
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 Ω ) ........................................................................	15 A
Dimensions (W ⋅ H ⋅ D)..................................................................................	290 ⋅ 56 ⋅ 170 mm
Weight ..................................................................................................................................	3.0 kg

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