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The PM3180 ProMatrix Digital Amplifier from Bogen has 3 channels of amplification with 100, 60 and 20W of power for restaurant, lounge/bar hotel, factory or similar facilities where multiple program and paging inputs need to be distributed to separate areas and automatically switched. Priority levels can be assigned at 6 levels. Three integrated amplifiers have separate 4-8 ohms and 25-70V outputs. Each channel has inserts for external signal processing as well. The PM3180 has a plethora of features such as phantom power and automatic level control for microphones, plus automatic fade-in of audio source after a mic page or when switching to a lower priority. The front panel functions can operated up to 25' away with available data cord or use the remote control for programming away from the main unit.
100, 60, and 20 watt channels
6 priority levels with auto-switching
4 Auxiliary inputs
2 Microphone inputs; one converts to a
Transformer output: 70Hz to 20kHZ ±2dB (Amp 1 & 2), 100Hz to 15kHz ±2dB (Amp 3)
4 ohms direct: 20Hz to 20kHz ±2dB (Amp 1 & 2), 20Hz to 15kHz ±2dB (Amp 3)
Signal to Noise Ratio
-70dBr (Tel and Aux); -55dBr (Mic)
Mic: 2 Lo-Z balanced: Mic A has XLR-type connector, Mic B has screw
terminal strip and can be configured as a 600-ohm transformer-balanced input
for telephone paging applications
Aux: 4 unbalanced Aux inputs via RCA jacks
Separate terminal strips for each channel provides 4- and 8-ohm output and
25V and 70V taps
Front-mounted, removable control panel with soft-touch buttons Wireless
infrared remote control