Marantz

Marantz SD9020 2 Speed Compudeck

Marantz SD 9020
Dolby B NR Full Logic Metal Tape 3 Head

This Marantz SD9020 is a stereo cassette deck with double Dolby B noise reduction, it was first sold by Marantz in 1981 with a recommended retail price of USD $775 and discontinued a year later.

The main features of the Marantz SD9020 cassette deck are: 3 heads and off-tape monitoring, digital tape counter with 4 digits and memory stop, 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 directly over the head block. Additionally the heads can be easilly accessed for cleaning.

Level meters used on the Marantz SD9020 cassette deck are generic digital peak reading meters with multi-color indication to provide visual saturation level of tape. Full-logic transport controls used on the Marantz SD9020 let it respond to the slightest finger contact for fast and effortless transport function selection. 9,5 cm/s faster recording/playback speed used in the SD9020 offers extended frequency response, increased dynamic range and transient response. SD9020.

The Dolby-B system reduces tape hiss on tapes recorded on the Marantz SD9020 by as much as 10 dB at the highest frequencies. The three-head configuration of the Marantz SD9020 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 SD9020 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.

Compact Cassette
  • 2 Motor Servo Control
  • Sendust Alloy
  • 3 Head System

Historic events

1981 Dave Smith proposes the Universal Synthesizer Interface that would become the MIDI standard in 1983.
1982 Seiko introduced the world’s first TV watch.

Features of Marantz SD9020

Calibration
Calibration
Bias Fine Tune
Connectors
Connectivity
2 Mono Microphone Inputs RCA Input/Output Connectors Headphones
Display
Display
Digital Peak-Reading Meters Multi Color Peak-Reading Meters 4-Digıt Digital Counter Digital Clock
Cassette Exterior
Exterior
Orientation Left Champagne Finish Front Loading
Compact Cassette
General
Stereo
Head Configuration
Head Configuration
3 Head Desiǥn 4 Track / 2 Channel
Noise Resuction
Noise Reduction
Dolby-B Noise Reduction MPX Filter Double Dolby NR Circuits
Controls
Operation
Music Scan Full Logic Transport Control Memory Repeat Timer Recording/Playback Record Mute Memory Stop Real-Time Tape Monitoring Memory Play
Power
Power Requirements
Alternating Current
Preamplifier
Preamplifier
Individual Input Level Controls Output-Level Control Mix Line + Microphone Signals
Tape Speed
Speed
1⅞ ips - 4.76 cm/s 3¾ ips - 9.52 cm/s
Tape
Tape
Manual Tape Type Selection Ferro-Chrome Tape Capabilıty Normal Tape Capabilıty Chrome Tape Capabilıty Metal Tape Capabilıty
Transport
Transport
Servo Controlled Transport 2x Motor Mechanism Auto Shutoff Direct Loading Sìngle Capsŧan Transport Belt Drive (Capsŧan)

Similar to Marantz SD9020 from the period 1981 - 1982

1981 Marantz SD 5010

SD5010

dot Dolby-B NR dot Full Logic Control dot Metal Tape dot Single Capstan dot Stereo
1980 Marantz SD 8020

SD8020

dot Dolby-B NR dot Full Logic Control dot Metal Tape dot Single Capstan dot Stereo
1980 Marantz SD 6020

SD6020

dot Dolby-B NR dot Full Logic Control dot Metal Tape dot Single Capstan dot Stereo
1981 Marantz SD 3510

SD3510

dot Dolby-B NR dot Full Logic Control dot Metal Tape dot Single Capstan dot Stereo
1981 Marantz SD 3030

SD3030

dot Dolby-C NR dot Soft Touch Control dot Metal Tape dot Single Capstan dot Stereo
1981 Marantz SD 7

SD7

dot 3 Heads dot Dolby-B NR dot Full Logic Control dot Metal Tape dot Single Capstan
1981 Philips N5758
Philips

N5758

dot 3 Heads dot Dolby-B NR dot Full Logic Control dot Metal Tape dot Single Capstan
1979 Nakamichi 482
Nakamichi

482

dot 3 Heads dot Dolby-B NR dot Soft Touch Control dot Metal Tape dot Dual Capstan
1981 Aiwa AD-3600
Aiwa

AD-3600

dot 3 Heads dot Dolby-B NR dot Full Logic Control dot Metal Tape dot Dual Capstan
1982 Mitsubishi DT-35
Mitsubishi

DT-35

dot 3 Heads dot Dolby-C NR dot Full Logic Control dot Metal Tape dot Single Capstan
1982 Teac V-2RX
Teac

V-2RX

dot 3 Heads dot DBX NR dot Full Logic Control dot Metal Tape dot Single Capstan
1979 Pioneer CT-F850
Pioneer

CT-F850

dot 3 Heads dot Dolby-B NR dot Full Logic Control dot Metal Tape dot Dual Capstan