14.- Ground: Allow one to ground the amplifier. Ask to a technician for more information.
15.- Line / Mic / Phantom switch: Switch between the line input, microphone or phantom power
audio signal. If you use the phantom power option, you must use condenser type microphones.
16.- Terminals for balanced microphones.
17.- Auxiliary selector input: Switch between Auxiliary, radio, CD and tape deck audio signal.
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