Specifications - Kenwood KAC-728S Instruction Manual

problems.
PROBLEM POSSIBLE CAUSE
No sound.
¢ Input (or output) cables are
(No sound from one side.)
disconnected.
e Protection circuit may be
activated.
the volume was too high.
The output level is too
small (or too large}.
The input sensitivity adjusting
control is not set to the correct
position.
SOLUTION -
e Connect the input (or output)
cables.
e Check connections by referring
to "Protection function".
fuse and use a lower volume.
Adjust the control correctly
referring to "Controls".
e Connect them properly checking
the @/ © of the terminals and
The sound quality is bad.
(The sound is distorted.)
¢ The speakers wire are
connected with wrong @ / ©
polarity.
e A speaker wire is pinched by a
screw in the car body.
* The switches may be set
improperly.
wires well.
Connect the speaker wire again
so that it is not pinched by
anything.
e Set switches properly by
referring to "System examples'.
Specifications
NOS ial -vicccecthecsceccvesenecs cdesatesvedaeetcesd chasveceateceoons 200 W x2
Normal (1 KHz, 0.8 % THD)... eeeceeeteeeee 150W x2
Frequency Response (+0, —1 dB) «0.0... cee
5 Hz ~ 50 kHz
Signal to Noise Ratio... ececceeecseeeteeseeeeeenees 100 dB
Sensitivity (MAX) (rated output)... cere
0.2V
Sensitivity (MIN) (rated output) .......0.
eee 5.0V
Input IMPEdANCe ........ eee ecceneeteeeeteeeernseeeeeee 10 kQ
Low Pass Filter (12 dB/oct.) oo... ceeeeeeeeereeees 80 Hz
High Pass Filter (12 AB/OCt.} ...... ee eeseeessreeeneeens —_
KAC-628/608S
100 W x2
300 W x 1
"50Wx2
150 W x 1
7FBWx2
10 Hz ~ 45 kHz
100 dB
0.15V
4.0V
10 kQ
80 Hz
150 Hz
(KAC-628 only)
KAC-628/608S
14.4V
19A
220x56.1x228
8-11/16x2-3/16x9
2.7 kg (5.9 Ibs)
KAC-428S
7OW x2
200 W x 1
35Wx2
100 W x 1
50W x2
5 Hz ~ 50 kHz
100 dB
0.2V
5.0V
10 kQ
80 Hz
KAC-428S
14.4V
166A.
220x55x160
STINGS OGHIE
1.8 kg (3.9 Ibs)