Dorrough 40-A Analog Loudness Monitor [BRIGHTNESS ISSUE]



Powered on. Removed from working corporate environment. Unit is OLD and the lights inside are not shining as bright. Refer to Images.

Out of stock

You must register to use the waitlist feature. Please login or create an account
SKU: C1122-539-1 Categories: , Tags: ,


The Dorrough 40-A is a professional analog loudness meter, designed for modern stereo recording and broadcast requirements, and offering simultaneous average and peak program display, with separate ballistics and lightning-fast response. This meter is equipped with a 40-LED bar graph, showing 1dB of resolution per LED, and 14dB of headroom.

  • Rack or console mounted Analog Loudness Meter with dual dedicated ballistics for simultaneous peak and average readout
  • Microchip processor with accuracy of oscilloscope, ultra-fast response time of 600ms average, virtually instantaneous peak for seamless continuous display of peak/average relationship
  • Individual left and right XLR inputs for stereo mixing applications, +4 dB factory-calibrated
  • Display with 40 LED's providing 1dB resolution per LED
  • Proprietary "A" scale with 14dB of headroom
  • XLR, 6 DIP switches for function assignments, mini 8-pin DIN port out for access to alarm relays, meter mode functions, and peak hold modes, standard with unit

Additional information

Weight 5 lbs
Dimensions 7 × 8 × 3 in

  • Dorrough 40-A Analog Loudness Monitor [BRIGHTNESS ISSUE]