Kenwood KAC-959 Service Manual

POWER AMPLIFIER
KAC-959
SERVICE MANUAL
© 2001-3 PRINTED IN KOREA
B51-7761-00 (K) 3579
S
U
B
S
U
B
O
U
T
P
U
T
P
O
W
E
R
IN
GN
D
B
A
T
T
P
.C
O
N
FU
SE(25A
x2)
B
R
ID
G
ED
R
IG
H
T
L
E
F
T
S
P
E
A
K
E
R
SPEAKER LEVEL INPUT
RIG
H
T
LEFT
25 25
A
B
RL
SPEAKER LEVEL INPUT
A
A
B
B
SELECTOR
INPUT
INPUT SELECTOR
L
IN
E
IN
GND
FREQUENCY(Hz)
SUB.CH LPF
M
O
N
O
(
L
c
h
)
S
T
E
R
E
O
O
P
E
R
A
T
IO
N
5/4/3 CHANNEL
POWER AMPLIFIER
B
SUB
A
A
L
R
B SUB
SENSITIVITY(V)
A.CH INPUT
0.3
0.2(MAX)
0.5
1
2
3
4
(MIN)5
SENSITIVITY(V)
B.CH INPUT
0.3
0.2(MAX)
0.5
1
2
3
4
(MIN)5
SENSITIVITY(V)
SUB.CH INPUT
0.3
0.2(MAX)
0.5
1
2
3
4
(MIN)5
170
200
150
100
80
70
50
BAA
OFF
150Hz
80Hz
A
.C
H
H
P
F
OFF
150Hz
80Hz
B
.C
H
H
P
F
MAXIMUM POWER

Kenwood KAC-959 Specifications

Audio Section

rated power output (4 Ω) A, B channel	40W x 4
sub channel power output (4 Ω)	120W
rated power output (2 Ω) A, B channel	60W x 4
sub channel power output (2 Ω)	150W
bridged power output (4 Ω)	120W x 2
max power output (4 Ω, normal)	80W x 4 + 240W
max power output (4 Ω, bridge, 3-channel)	240W x 2 + 320W
low pass filter (sub channel)	50Hz - 200Hz
high pass filter (A, B channel)	80Hz, 150Hz
infrasonic filter (sub channel)	15Hz
frequency response	5Hz - 50KHz
signal to noise ratio	100dB
sensitivity (max)	0.2V
sensitivity (min)	5.0V
input impedance	10KΩ

General Specifications

operating voltage	14.4V
current consumption	48A
dimensions (width x height x depth)	290mm x 56mm x 320mm
weight	5.2Kg