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DescriptionThe 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 ... Read More
Our Price: $261.87
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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. The VAR1 can also be used as a balanced, low-impedance microphone pre-amp. The VAR1 is ideally suited to provide a set of contact closures for paging ports of lower cost telephone systems that do not have a set of AUX contacts to trigger paging equipment. An adjustable release delay (up to 25 seconds) keeps the paging system from dropping out in the middle of a page.
|Frequency Response||100 Hz to 10 kHz|
|70V Input Impedance||200k ohms|
|Output Level||400 mVrms|
|25V Input Impedance||75k ohms|
|Output Level||420 mVrms|
|Sensitivity||750 microvolts, rms for 1Vrms out|
|Frequency Response||200 Hz to 10 kHz|
|Output Signal-to-Noise Ratio||55 dB|
|VOX Sensitivity||20 mV to 150 mVrms @ 600 ohms Line input|
|Time Delay Range (approx.)||0.25 to 25 sec.|
|Relay Contact Rating||2A/30V DC, 0.5A/120V AC|
|Power Requirements||External 12V to 24V DC @ 100mA (sold separately)|
|Dimensions||5-3/8" W × 3-7/8" H × 1-3/8" D|
|Product Weight||1 lb.|
148-04 95th Ave
Jamaica, NY 11435
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