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Marantz 5420

Stereo Cassette Deck (1976-78)

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Marantz 5420


The Marantz Model 5420 is more than just a stereo cassette deck, it's a four-channel input active mixer with panpots, a Dolby Noise Reduction System, and a rugged, reliable, cassette recorder with ferrite heads, all built in a single unit.

Even though they share a common chassis, these three building blocks retain the flexibility of separate components. The mixer section and/or the Dolby System can be used on external equipment, such as a reel-to-reel tape deck or public address system, independently of cassette operation.

The 5420 also has the circuitry necessary to decode Dolby FM broadcasts, and special bias and equalization to record on Chromium Dioxide and Ferri-Chrome low noise cassette tapes.

Along with features and versatility, the Model 5420 reflects Marantz' state-of-the-art technology.


Type: single compact cassette deck

Track System: 4-track, 2-channel stereo

Tape Speed: 4.8 cm/s

Tape Type: type I, FeCr, Cr02

Noise Reduction: B

Frequency Response: 30Hz to 17kHz  (FeCr tape)

Signal to Noise Ratio: 60dB  (dolby B)

Wow and Flutter: 0.07%

Total Harmonic Distortion: 2%

Input: 70mV (line), 0.25mV (mic)

Output: 0.9V (line)

Dimensions: 17-5/16 x 6-1/2 x 12-3/4 inches

Weight: 19lbs


instruction/owners manual   English - tom6to1

schematic   English - tom6to1

service manual   English - caffrox

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This website is not affiliated with or sponsored by Marantz. To purchase 5420 spares or accessories, please contact the company via their website or visit an authorised retailer.