7 [CHANNEL SELECT]
Channel 1 / 2 select switch. The LED of the active channel lights permanently during operation.
8 [GAIN ON]
Pushbutton for enabling the preamplifier (gain) in channel 2.
9 [GAIN]
Control to adjust the preamp gain of the signal in channel 2.
11 [BASS]
Control to adjust the low frequency of the signal in channel 2.
12 [MIDDLE]
Control to adjust the mids in channel 2.
13 [VOLUME]
Control to adjust the volume of channel 2.
14 [REVERB]
Control to adjust the reverb effect (channel 1 and 2).
Connections and operating elements
HB-80R
15