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Troubleshooting guide, Specifications – Kenwood KAC-816 User Manual

Page 9

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9

Specifications

Specifications subject to change without notice.

Audio Section

Max Power Output (2

) ................................................................................................400 W

×

1

Rated Power Output (4

)

(4

) ....................................................................................200 W

×

1 (DIN45324, +B=14.4 V)

(2

) ........................................................................................300 W

×

1 (100 Hz, 0.8 % THD)

Frequency Response (+0, –1 dB) ............................................................................5 Hz ~ 200 Hz
Total Harmonic Distortion (Rated power)

#

............................................................0.01 % (100 Hz)

Sensitivity (MAX) (rated output) ..............................................................................................0.2 V
Sensitivity (MIN) (rated output) ..............................................................................................5.0 V
Signal to Noise Ratio............................................................................................................100 dB
Input Impedance....................................................................................................................10 k

Damping Factor..............................................................................More than 9900 (at

connect)

Low Pass Filter Frequency (24 dB/oct.) ......................................................50 ~ 200 Hz (variable)
Infrasonic Filter Frequency (24 dB/oct.) ..........................................................................15 / 25 Hz

# Sensitivity = Mini. , Through LPF (30 kHz)

General

Operating Voltage ..............................................................................14.4 V (11 ~ 16 V allowable)
Current Consumption (4

, 14.4 V, 10% THD)........................................................................28 A

Dimensions (W

×

H

×

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

Ч

52

Ч

250 mm

Weight ..................................................................................................................................3.1 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.

• The connection of the sigma

servo terminals is wrong.

• 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 the connection referring

to "Sigma servo feed back".

• Check connections by referring

to "Power indicator".

• 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".