Kenwood KAC-859 Service Manual

POWER AMPLIFIER
KAC-859
SERVICE MANUAL
© 2000-5 PRINTED IN KOREA
B51-7626-00 (K) 3547
S
U
B
S
U
B
O
U
T
P
U
T
PO
W
ER
IN
GND
B
A
T
T
P
.C
O
N
F
U
S
E
(2
5
Ax2
)
BRIDGED
R
IG
H
T
L
E
F
T
S
P
E
A
K
E
R
S
P
E
A
K
E
R
L
E
V
E
L
IN
P
U
T
R
I
G
H
T
L
E
F
T
SPEAKER LEVEL INPUT
25 25
SELECTOR
INPUT
INPUT SELECTOR
LINE IN
G
N
D
B
.c
h
H
P
F
A
.c
h
H
P
F
FREQUENCY(Hz)
SUB.CH LPF
SENSITIVITY(V)
SUB.CH INPUT
M
O
N
O
(L
c
h
)
STEREO
O
P
E
R
A
T
IO
N
A
B
A
B
A
B
RL
5/4/3 CHANNEL
POWER AMPLIFIER
B SUBA
A
L
R
B SUB
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)
A.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
80HzOFF
150Hz
80Hz
SCREW TERMINAL
BOARD
(E70-0828-05)
(E type only)
(N99-1587-05)
SCREW SET
(W01-1515-05)
TERMINAL COVER SET
(W01-1530-05)
LEAD TERMINAL SET
DRESSING PANEL
(A21-4015-02)
HEAT SINK
(F01-1629-01)
SCREW TERMINAL
BOARD
(E70-0829-05)
SCREW TERMINAL
BOARD
(E70-0821-05)
FUSE
(E52-0014-05)
PIN JACK
(E63-0849-05)
(J type only)
DC CORD ASSY
(E30-4341-05)
40%

Kenwood KAC-859 Specifications

Audio Section

max power output (4Ω) 5-channel mode	80W X 4 + 240W X 1
max power output (4Ω) 4-channel mode	80W X 2 + 240W X 1 + 240W X 1
max power output (4Ω) 3-channel mode	80W X 2 + 240W X 1 + 240W X 1
rated power output (4Ω) 5-channel mode	40W X 4 + 120W X 1
rated power output (4Ω) 4-channel mode	40W X 2 + 120W X 1 + 120W X 1
rated power output (4Ω) 3-channel mode	120W X 2 + 120W X 1
rated power output (2Ω) 5-channel mode	60W X 4 + 150W X 1
frequency response	5Hz ~ 50kHz
signal to noise ratio	100dB
sensitivity (max)	0.2V (Rated Output)
sensitivity (min)	5.0V (Rated Output)
input impedance	10kΩ
high-pass filter (A, B channel)	80Hz, 150Hz (12dB/oct.)
low-pass filter (SUB channel)	50Hz ~ 200Hz (18dB/oct.)
infrasonic filter (SUB channel)	15Hz (18dB/oct.)

General

operating voltage	14.4V (11V ~ 16V allowable)
current consumption (rated power)	48A
dimensions (W x H x D)	290 x 60 x 320 mm (11-7/16 x 2-3/8 x 12-5/8 inch)
weight	5.42kg