Model 310 DAP

Dorrough's first product, the Model 310 DAP (Discriminate Audio Processor), circa 1973. This device revolutionized the broadcast industry by providing dynamic processing of program material without pumping or distortion. Today, its fundamental concepts of tri-band limiting is employed in most modern processors. Over 9,000 units were sold by the time the 310 was replaced by the next generation 610.



Dorrough produces a variety of digital audio meters, video meters, surround sound meters, and audio and video test products.
One year warranty is standard on all Dorrough products.
The company is located at 5221 Collier Place, Woodland Hills, California 91364 • Telephone (818) 998-2824. Fax: (818) 998-1507. Email: