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2 Speed Compudeck SD8020

2 Speed Compudeck SD8020; Marantz Sound United (ID = 417795) R-Player 2 Speed Compudeck SD8020; Marantz Sound United (ID = 417799) R-Player
2 Speed Compudeck SD8020; Marantz Sound United (ID = 417797) R-Player 2 Speed Compudeck SD8020; Marantz Sound United (ID = 1729004) R-Player
2 Speed Compudeck SD8020; Marantz Sound United (ID = 1825785) R-Player 2 Speed Compudeck SD8020; Marantz Sound United (ID = 1825788) R-Player
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2 Speed Compudeck SD8020; Marantz Sound United (ID = 417795) R-Player
Marantz Sound United: 2 Speed Compudeck SD8020 [R-Player] ID = 417795 640x238
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For model 2 Speed Compudeck SD8020, Marantz (Sound United LLC); Vista, CA:
USA_Marantz_SD8020
 
Country:  United States of America (USA)
Manufacturer / Brand:  Marantz (Sound United LLC); Vista, CA
Year: 1981 ? Category: Sound/Video Recorder and/or Player
Semiconductors (the count is only for transistors) 91:
Wave bands - without
Details Cassette-Recorder or -Player; Radio Control (+Remote Wire etc)
Power type and voltage Alternating Current supply (AC) / 110; 120; 220; 240 Volt
Loudspeaker - For headphones or amp.
Power out
from Radiomuseum.org Model: 2 Speed Compudeck SD8020 - Marantz Sound United LLC;
Material Metal case
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
TapeCompact Cassette
Tape SpeedsHigh: 3¾ ips (9.52 cm/sec)
Standard: 1⅞ ips (4.76 cm/sec)
Motor Drive SystemDC Servo Motor (x2) with Single Capstan Drive
Heads2 Head System
Erase Head: Ferrite
Record/Play Head: Sendust Alloy
Level IndicatorsLeft and Right LED Peak Level Displays
Noise Reduction SystemDolby 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 TimeApprox. 85 sec. (C-60 cassette)
Bias Frequency100 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)

Model page created by Klemens Rhode. See "Data change" for further contributors.



All listed radios etc. from Marantz (Sound United LLC); Vista, CA
Here you find 538 models, 529 with images and 84 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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