OTTO NRA-3300 Noise Reduction Adaptor
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This OTTO NRA-3300 is a noise reduction system with Super-d noise reduction, it was first sold by OTTO in 1980.
The features of the NRA-3300 include.
Typical front loading noise reduction system.
Level meters used on the OTTO NRA-3300 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-3300 Super-D operates in two divisions, medium low band and medium high band. The 19kHz multiplex pilot slgnal present in FM stereo broadcasts can cause false triggering of the noise reduction system. The switchable MPX filter of the NRA-3300 filters out the pilot signal, and assuring proper Dolby processing of FM stereo programs.
To make live recordings this deck has 2 microphone inputs to connect microphones with a jack connector.
Historic events
Features of OTTO NRA-3300
2 Mono Microphone Inputs
Digital Peak-Reading Meters
Front Loading
MPX Filter
Super-D Noise Reduction
Individual Input Level Controls
Microphone Level Adjust (Left/Right)
Similar to OTTO NRA-3300 from the period 1980
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