9 Ground/Lift switch
If hum is caused by a ground loop, you can use this switch to disconnect the connection between the earth pin of the
device and the signal ground of the device.
10 Lockable chassis connector (Speaker Twist) for speaker output in bridged mode (1+, 2+: positive; 1–, 2–: negative)
11 Lockable chassis connector (Speaker Twist) for speaker output for channel A (1+, 2+: positive; 1–, 2–: negative)
12 Lockable chassis connector (Speaker Twist) for speaker output for channel B (1+, 2+: positive; 1–, 2–: negative)
13 [RESET] | Resettable fuse. The fuse switches o when the power consumption of the power amplier is too high. Once
the problem is resolved, the fuse is automatically reset and the device is ready for use again. The switch can be used
to force a reset.
14 Power cable.
15 Fan
Connections and controls
Proline 3000
19
Power Amplier