M1090
FEATURES
- CVR Adapter that operates a differential summing amplifier for combining microphone, communications, intercom and paging audio into one isolated output to the CVR
- Features three biased MIC inputs, three Bias Disable inputs, three AUX inputs, and transformer coupled output to the CVR
- Transformer coupled output stage can handle wiring runs to CVR as long as 200 feet
SPECIFICATIONS
| Nominal SuPply Voltage: | +28VDC | Operating Range: | 18V to 32V |
| Current Draw: | 150mA dc max; 1 Amp or less suggested (circuit breaker) | MIC Input Impendence: | 450 Ohms from 150Hz to 6 kHz (bias enabled); >or=5K Ohm from 150Hz to 6kHz (bias disabled) |
| MIC Input Level: | 150mV rms for 500mV rms out | MIC Input Bias: | +16Vdc behind 940 Ohms, |
| AUX Input Impedance: | >or=100k Ohm from 150Hz to 6kHz | AUX Input Level: | 2.0V rms for 500 mV rms out |
| Bias Disable Control: | Diode isolated, internally pulled up to 16V dc thru 10k Ohms. Pull below +8V dc to turn bias off, float above +12V dc to turn bias on | Output Impedance: | |
| Rated Output: | 500mV rms from 150Hz to 6kHz | Output Load Impedance: | 5k ohms (suggested) |
| Frequency Response: | +3,-3 dB from 200Hz to 6kHz Referenced to 1kHz at 500mV rms output into 5k Ohms load | Distortion: | |
| Output Noise: | >60dB below 500mV rms output | MIC Inputs Max Gain: | AV=3.33 (10.5dB) |
| AUX Inputs Max Gain: | AV=.25 (-12.0dB) | Case Style: | Rectangular with flat plate for hard mounting |
| Case Size: | 3.5"W x 1.54"H x 2.5"D | Weight: | .3 lbs |
990-3138-000
- CVR Adapter/Mixer
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