2 Speed Compudeck SD8020

Marantz (Sound United LLC); Vista, CA

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  • Year
  • 1981 ?
  • Category
  • Sound/Video Recorder and/or Player
  • Radiomuseum.org ID
  • 125925

 Technical Specifications

  • Number of Transistors
  • 91
  • Semiconductors
  • Wave bands
  • - without
  • Details
  • Cassette-Recorder or -Player; Remote Control (with wire or wireless)
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 120; 220; 240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: 2 Speed Compudeck SD8020 - Marantz Sound United LLC;
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 416 x 146 x 295 mm / 16.4 x 5.7 x 11.6 inch
  • Notes

  • A hi-fi stereo cassette tape deck with a digital display with 2 speeds and Dolby NR, housed in a metal case (wooden case optional). With jacks for 2 microphones and headphones, RCA phono and DIN input/output sockets and a terminal for system remote control.

    Specification  
    Type  Front loading 4-Track, 2-Channel
    Stereo Record/Playback System
    Tape Compact Cassette
    Tape Speeds High: 3¾ ips (9.52 cm/sec)
    Standard: 1⅞ ips (4.76 cm/sec)
    Motor Drive System DC Servo Motor (x2) with Single Capstan Drive
    Heads 2 Head System
    Erase Head: Ferrite
    Record/Play Head: Sendust Alloy
    Level Indicators Left and Right LED Peak Level Displays
    Noise Reduction System Dolby NR
      High Speed             Standard Speed
    Wow and Fluter (WRMS)  0.03%                       0.05%
    Frequency Response
    (Overall, -20 dB below 0 VU)    		  
      Metal
      Ferrichrome (FeCr)
      Chromium Dioxide (Cr02)
      Ferric (Normal)    		 25Hz-23kHz ±3dB      25Hz-20kHz ±3dB
    25Hz-22kHz ±3dB      25Hz-18kHz ±3dB
    25Hz-22kHz ±3dB      25Hz-17kHz ±3dB
    25Hz-20kHz ±3dB      25Hz-16kHz ±3dB
    Signal-to-Noise Ratio  
      Dolby ON
      Dolby OFF    		  72dB (over 5kHz)       69dB (over 5kHz)
     62dB                        59dB
    Outputs  
      Line Output: Level/Impedance
      Headphone: Level/Impedance    		 650mV/1.2kΩ
    43mV/150Ω
    Inputs (Level at 0 VU)  
      Line: Sensitivity/Impedance
      Mic: Sensitivity/Impedance    		 -23dBV (70mV)/82kQ
    -72dBV (0.25mV)/Low Z
    Fast Rewind/Forward Time Approx. 85 sec. (C-60 cassette)
    Bias Frequency 100 kHz

    Semiconductors : Transistors 91, IC's 7, Diodes 71, LED's 18

    Versions/Power requirements
    120V AC 60Hz
    110/120/220/240V AC with voltage selector and 50/60Hz frequency switch

    Made in Japan

  • Net weight (2.2 lb = 1 kg)
  • 10 kg / 22 lb 0.4 oz (22.026 lb)
  • Mentioned in
  • -- Original prospect or advert (1981 Marantz Hi-Fi catalogue)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service manual SD8020 & SD8000 Stereo Cassette Decks)
  • Author
  • Model page created by Klemens Rhode. See "Data change" for further contributors.

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The model 2 Speed Compudeck is part of the collections of the following members.

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