5
GB
Power Amplifier
Heat sink cover
The direction of the heat sink cover can be
changed according to your preference (page 7).
Status indicator light
Lights up in white during operation.
If the protection circuit activates, the status
indicator light changes from white to red. For
details, see “Troubleshooting” (page 15).
TURN-ON switch
Selects the turn-on mode of the amplifier.
• “REMOTE”: Select this for remote turn-on
mode. The amplifier turns on when a turn-on
signal is received from the REMOTE terminal.
See “REMOTE terminal” (page 9) for details.
• “SIGNAL”: Select this for high-level sensing
turn-on mode. The amplifier turns on when a
turn-on signal is received from the INPUT
connector. This feature is only available for
high-level (speaker level) input connection.
See “REMOTE terminal” (page 9) for details.
INPUT MODE switch
Selects the input mode.
• “1-4”: For 4-channel stereo input.
• “1”: For 1-channel input.
• “1-2”: For 2-channel input.
Guide to Parts and Controls
Control Panel (Top Panel)
TURN-ON
REMOTE SIGNAL
INPUT MODE
1-4
1 1-2
1
+
3/2
+
4
FILTER
CH 1/2
BRIDGED
OFF
BP
HP LP
CH 1
CH 2
LINE OUT MODE
THRU
ALL
STEREO
INPUT SENS
FILTER
CH 3/4
OFF
BP
HP LP
INPUT SENS
BRIDGED
CH 3
CH 4
L
R
L
R
REMOTE
+
12 V
GROUND
TURN-ON
REMOTE SIGNAL
INPUT MODE
1-4
1 1-2
1
+
3/2
+
4
FILTER
CH 1/2
BRIDGED
OFF
BP
HP LP
CH 1
CH 2
LINE OUT MODE
THRU
ALL
STEREO
INPUT SENS
50-
500
FILTER
RANGE (Hz)
CH 3/4
HPF (Hz)
OFF
BP
HP LP
500-
5k
500
150
500
50
1.5k
LPF (Hz)
500
150
500
50
5k
1.5k
INPUT SENS
BRIDGED
CH 3
CH 4
L
R
L
R
REMOTE
+
12 V
GROUND
5k
50-
500
RANGE (Hz)
HPF (Hz)
500-
5k
500
150
500
50
1.5k
LPF (Hz)
500
150
500
50
5k
1.5k
5k
50-
500
RANGE (Hz)
HPF (Hz)
500-
5k
500
150
500
50
1.5k
LPF (Hz)
500
150
500
50
5k
1.5k
5k
50-
500
RANGE (Hz)
HPF (Hz)
500-
5k
500
150
500
50
1.5k
LPF (Hz)
500
150
500
50
5k
1.5k
5k
ȫ
Ȭ
ȭ
Ȯ
ȯ Ȱ ȱ Ȳ
Ȯ
ȯ Ȱ ȱ Ȳ
Ȫ
ȳ
ȴ
ȩ
INPUT 1
CH 1
INPUT 2
CH 2
INPUT 3
CH 3
INPUT 4
CH 4
INPUT 1
CH 1
CH
2
CH
3
CH
4
INPUT 1
CH 1
CH
3
INPUT 2
CH 2
CH
4