OTTO NRA-5500 Noise Reduction System
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This OTTO NRA-5500 is a noise reduction system with Super-d noise reduction, it was first sold by OTTO in 1979.
The NRA-5500 is equipped with.
Typical front loading noise reduction system.
Level meters used on the OTTO NRA-5500 noise reduction system are generic digital peak reading meters.
The Sanyo Super-D noise reduction system is a compander circuit intended to compress and expand the audio signal to reduce noise. In the OTTO NRA-5500 Super-D operates in two divisions, medium low band and medium high band.
Historic events
Features of OTTO NRA-5500
Digital Peak-Reading Meters
Front Loading
Super-D Noise Reduction
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