Kenwood KAC-521 User Manual
Kac-521, Instruction manual, Troubleshooting guide
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STEREO POWER AMPLIFIER
KAC-521
INSTRUCTION MANUAL
KENWOOD CORPORATION
Take the time to read through this instruction manual.
Familiarity with installation and operation procedures will
help you obtain the best performance from your new pow
er amplifier.
For your records
Record the serial number found on the bottom of the unit in
the spaces designated on the warranty card and in the space
provided below. Refer to the model and serial numbers
whenever you call upon your KENWOOD dealer for informa-
tion or service on this product.
Mode! KAC-521 Serial number-------------------------------------------
©PRiNTED iN JAPAN B50-7901-10(K)(T)
TROUBLESHOOTING GUIDE
What often appears to be a malfunction is often due to user error in operation or connection.
When trouble occurs with your unit, please check the following before calling for service.
Symptom
Cause
Remedy
The sound level is low.
(No sound from one
side.)
A speaker cord has become uncon
nected.
Check the speaker cord con
nections.
The sound quality. is
bad. (The sound is dis
torted.)
1. The speakers are connected to
the same wires,
2. A speaker cord
is pinched by a
screw in the car body.
1. Connect each speaker terminal
to its respective speaker output.
2. Check the speaker wiring.
SPECIFICATIONS
Specifications subject to change without notice.
Audio Section
Max Power Output (1 kHz, 4 0)......................................................................... 40 W + 40 W
Rated output power {less than 1% THD, 20 Hz - 20 kHz, 4 0).......................... 20 W + 20 W
Frequency Response {~3 dB)....................................................... ....................5 Hz - 50 kHz
Sensitivity (rated output) MAX. .... .................................................................................0.1 V
MIN...................................................................................... 5.0 V
Signal to Noise Ratio.................................................................................................... 105 dB
Input impedance............. .............................................................................. .................10 kO
Damping Factor {100 Hz)................................................................................more than 100
General
Operating Voltage ..................................................................14.4V {11 - 16 V allowable)
Current Consumption (MAX.)............................................................................................. 5 A
Dimensions {W x H x D).......... ................................................................. 140 x 30 x 90 mm
(5-1/2x1-3/16x3-9/16 in,}
Weight.................................................. ........................................................... 0.5 kg {1.1 ib)