Playback operation of cassette decks, To playback a tape, Dolby noise reduction system – Kenwood UD-900M User Manual
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Playback operation of cassette decks
To playback a tape
Dolby noise reduction system
The Dolby noise reduction system was developed to reduce the tape hiss noise generated during playback.
The optimum effect of the Dolby NR system is obtained when the same type NR system is used for both recording and playback. If a
different type NR system is used, playback is not performed correctly. Make sure that the same type noise reduction system is used for
both recording and playback.
Dolby B NR
The most popular noise reduction system used in home audio components. Usually, Dolby NR system corresponds to B NR.
Dolby C NR
Dolby C NR offers improved noise reduction performance over that of the Dolby B NR. It features a superior noise reduction effect Use
Dolby C NR to record or playback with this unit.
It is recommended that tapes recorded with the Dolby NR system be marked "B" or "C", so that they can easily be distinguished.
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