Kenwood KAC-649S Service Manual

POWER AMPLIFIER
KAC-649S
SERVICE MANUAL
© 2001-4 PRINTED IN KOREA
B51-7802-00 (K) 3387
25
LEFT
BRIDGED
SPEAKER
POWER IN
P.CONBATT.FUSE(25A)
OUTPUT
RIGHT
A
B
POWER AMPLIFIER
LPF
HPF
OFF
B.CH FILTERA.CH FILTER
B.CH OPERATION
INPUT SELECTOR
LINE IN LINE OUT
SPEAKER LEVEL INPUT
MONO (Lch)
STEREO
A.CH OPERATION
MONO (Lch)
STEREO
LPF
HPF
OFF
0.2(MAX)
(MIN)5
0.3
0.5
1
2
3
4
0.2(MAX)
(MIN)5
0.3
0.5
1
2
3
4
B.CH INPUT SENSITIVITY(V)A.CH INPUT SENSITIVITY(V)
GND
A AB
A
L
R
A +B B
A
B
LR

Kenwood KAC-649S Specifications

Audio Section

rated power output (4Ω) A, B Channel	30W x 4
rated power output (2Ω) A, B Channel	40W x 4
bridged power output (4Ω)	80W x 2
max power output (4Ω, Normal)	60W x 4
low pass filter	80Hz
high pass filter	150Hz
frequency response	5Hz - 50KHz
signal to noise ratio	100dB
sensitivity (Max)	0.2V
input impedance	10KΩ

General

operating voltage	14.4V
current consumption	18A
installation size (Width x Height x Depth)	261mm x 57mm x 220mm
weight	3.0Kg