5. INSTALLATION
1. Inputs wiring
• INPUT1, INPUT2, INPUT3, and INPUT4 have a balanced XLR
connector, useful to connect both low impedance microphones (30-
600Ω), both condenser microphones with 24V phantom power supply,
both line level audio sources (i.e. AM/FM tuner, cassette deck, CD
player, etc.). To choose the source to be connected, please use
the following selectors position (fig. 2 ref. 17): LINE position for
AM/FM tuner, CD player, Cassette deck etc., MIC position for low-
impedance dynamic microphones and PHANTOM position for
condenser microphones. INPUT1 is provided of VOX feature, when
a signal is detected, this input signal has priority over all the other
inputs, excluding all the other input signals. In this way only INPUT1
audio signal is amplified.
Attention
- Never connect a dynamic microphone when PHANTOM power is turned on, the
dynamic microphone could be damaged.
- Turn off PHANTOM power before connecting/disconnecting microphones connectors.
- Be sure that PHANTOM power is not turned on when you use microphones not
requiring external power. The phantom power, applied at pin 2 and pin 3, could
damage these microphones.
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