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4
Controls
This is a 4 channel amplifier including 2 stereo amplifiers in a body. One amplifier is
referred to as amplifier A and the other is amplifier B. This unit is compatible with
a large variety of systems by combining the switches and functions described in
the following.
LINE OUT
INPUT
SENSITIVITY(V)
CONTROL
FREQUENCY(Hz)
OPERATION
4 CHANNEL
POWER AMPLIFIER
L
R
B
LPF
OFF
FILTER
HPF
BA
MONO(Lch)
MAXMIN
0.30.5
1.0
20050
STEREO
L + R
+
200
150
100
HPF
LPF
50
80
80
100
150
CONTROL INPUT SELECTOR
L
A
AA B
FREQUENCY(Hz)
LPF
OFF
FILTER
HPF
20050
200
150
100
HPF
LPF
50
80
80
100
150
INPUT
SENSITIVITY(V)
MAXMIN
0.30.5
1.0
OPERATION
GND
MONO
MONO(Lch)STEREO
L + R
R
LINE IN
A B
@
#$
!
0
9
8
% ^
A
B
A
B
SPEAKER LEVEL INPUT
RL
LEFT RIGHT
SPEAKER LEVEL INPUT
LEFT
BRIDGED
RIGHT
A
B
A
B
SPEAKER OUTPUT
BRIDGED
RL
POWER IN
FUSE(30A)
BATT P.CON(REMOTE)
GND
15
23467
Amplifier A Amplifier B
1
Fuse (30 A)
2
Battery terminal
3
Ground terminal
4
Power control (REMOTE) terminal
5
Amplifier A speaker output terminals
6
Amplifier B speaker output terminals
7
Speaker level input terminals
8
FREQUENCY control
When the FILTER switch is set to the HPF (High-Pass Filter) or LPF (Low-Pass Filter) position,
the threshold frequency can be adjusted with this control.
9
FILTER switch
High-pass or low-pass filtering can be applied to the speaker output according to the setting
of this switch.
0
OPERATION switch
The amplification methods of the signals input to amplifiers A and B can be selected
independently according to the setting of this switch.