Kenwood KAC-718 - Manual (Page 8)

8
English
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 k
Ω
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
Ч
56
Ч
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".