Marantz 5020 Cassette Deck. Original Box with Operators and Service Manual

This Marantz 5020 is a stereo cassette deck with Dolby B noise reduction, it was first sold by Marantz in 1976 and discontinued a year later. The Dolby-B system reduces tape hiss on tapes recorded on the 5020 by as much as 10 dB at the highest frequencies.