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Rear Panel Model PM-3180
1. MIC A — XLR-type connector for balanced, LO-Z microphone input.
Pin 1 is Gnd.
2. MIC B/TEL B — Input for Lo-Z balanced microphone. Software config-
urable as a 600Ω transformer coupled paging interface.
3. MIC PREC — Microphone precedence terminals for contact closure
activation.
4. AUX INPUT — Unbalanced input jacks (RCA type) for program
sources.
5. AUX INPUT TRIM — Variable attenuators for adjusting input source lev-
els.
6. AUDIO PROCESS LINKS — Permits the connection of external signal
processing equipment.
7. REMOTE — Jack for use when mounting amplifier front control panel in
a remote location.
8. Amplifier output screw terminals.
9. VOLTAGE SELECT — Voltage selector switch.
10. AC LINE INPUT — Power cord socket.
11. Fuse — 120VAC/4A, 240VAC/2A.
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