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Dolby B NR

This Onkyo TA-440 is a cassette deck with Dolby B noise reduction, it was first sold by Onkyo in 1981.

The main TA-440 features are.

The Dolby-B system reduces tape hiss on tapes recorded on the Onkyo TA-440 by as much as 10 dB at the highest frequencies.

Compact Cassette

Historic events

1981 Dave Smith proposes the Universal Synthesizer Interface that would become the MIDI standard in 1983.

Features of Onkyo TA-440

Noise Resuction
Noise Reduction
Dolby-B Noise Reduction
Power
Power Requirements
Alternating Current

Similar to Onkyo TA-440 from the period 1981