The main features of the Marantz SD 4020 are: 3 discrete heads and off-tape monitoring, mechanical 3 digit tape counter, manual tape type selection and capable of handling normal, chrome, ferro-chrome and metal tapes, belt driven single-capstan transport.
Typical front loading cassette deck with the cassette compartiment located on the left side of the deck. Tape eject is operated mechanically and the cassette needs to be placed with the side to be played facing forward in the cassette well.
Level meters used on the SD 4020 are generic digital peak reading meters with multi-color indication to provide visual saturation level of tape. Mechanical transport controls for reliable SD 4020 transport function selection. 9,5 cm/s faster recording/playback speed used in the SD 4020 offers extended frequency response, increased dynamic range and transient response. SD 4020.
The Dolby-B system reduces tape hiss on tapes recorded on the SD 4020 by as much as 10 dB at the highest frequencies. The three-head configuration of the SD 4020 requires a Double Dolby system, one for recording and one for playback. 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 SD 4020 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. For undisturbed listening a jack connector for a pair of stereo headphones is supplied. Connection to other audio components for plaback can be achieved by a RCA cable and recording from a source by a RCA cable.
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