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Bogen Communications ANS501
Ambient Noise Sensor System

OUR PART #:  ANS501

Our Price: $280.57
List Price: $328.99
You save 15%!

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Bogen Communications ANS501
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The Bogen Communications ANS501 Ambient Noise Sensor System is designed to monitor continuously changing ambient noise levels and electronically adjust the level of a page announcement and/or background music so intelligibility is maintained. The system consists of the ANS501, a microphone module (ANS500M), and a power supply.

The system ensures that page announcements and music are audible even during periods of high noise levels by continuously monitoring the ambient noise level through a microphone module located in the subject area and adjusting the paging signal level into the system’s amplifier.

Bogen Communications ANS501 Features:

  • Consists of an ANS501 control unit, an ANS500M microphone module, and a power supply
  • Balanced input and output
  • Unbalanced input and output
  • Unbalanced stereo AUX inputs (summed mono)
  • AUX inputs bypass gain control feature
  • Remote defeat connections (to disable level boost)
  • Automatically adjusts level of page announcements
  • Run/Set mode switch
  • ANS501 can be wired in between preamp and power amp or to amplifier insert jacks
  • Maximum boost; activity threshold; relative gain;
  • AUX input level; ramp speed; and ambient MIC input threshold controls
  • Supports up to four microphones wired in parallel
  • Microphone wire run can be up to 2,000 feet with no appreciable loss of signal
  • Microphone module includes an adjustable mounting bracket for precise positioning
  • Powered by a 12V wall-mounted power supply that operates from 120V AC

Bogen Communications ANS501 Specifications:

  • Gain (Boost):  0dB to 22dB (±1dB)
  • Frequency Response:  5 Hz - 80 kHz (+0/-3dB)
  • S/N (20 Hz - 20 kHz):  -96dBV
  • Distortion:  <0.007%
  • Input Impedance:
    • Aux Input:  Unbalanced 10 kOhms
    • Unbalanced Input:  20 kOhms
    • Balanced Input:  20 kOhms
  • Output Impedance: 
    • Unbalanced Output:  300 Ohms
    • Balanced Output:  600 Ohms
  • Gain Ramp Speed:  1 dB/s to 20 dB/s
  • Power:  12V AC/0.4A
  • Controls:  Maximum Boost, Ramp Speed, Activity Threshold, Ambient Threshold, Aux Level, Relative Gain
  • Connector:  RCA & pluggable screw terminals
  • Product Weight:  12 oz. (ANS501); 4 oz. (ANS500M)
  • Dimensions (WxHxD):  5-1/4" x 3" x 1-1/4" (ANS501); 2" x 2-1/8" x 7/8" (ANS500M)
  • Indicators:  Bi-Color Status (Amber/Green); Power (Green)
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