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Home : Products : Bogen : Door Phone and Night Ringer : Voice Activated Relay : Model #VAR1
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| Product Description
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| The VAR1 is a relay device that monitors audio activity over a wide range of input voltages and operates two sets of C-Form relay contacts in response to detected activity. The VAR1 can be used to detect voltages as low as signals directly from a microphone or as high as signals from 70V speaker systems. A low level output of the detected audio, transformer-isolated from the input, is also made available for use with other equipment. Can be used as a balanced low-impedance mic pre-amp, also. |
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| Product Features
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- Two sets of C-Form (both N.O. and N.C.) relay contacts respond to audio activity
- 4 levels of input signals: microphone, 600-ohm line, 25V, and 70V speaker systems
- Built-in balanced, low noise, high gain microphone pre-amp
- A transformer-isolated, 600-ohm small signal level output of the detected audio available
- Trigger threshold adjustment
- Adjustable release delay – 0.25s to 25s
- Separate microphone pre-amp gain control
- Relay active indicator light
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