Electronic Direct Drive System CS721

• Country
• Germany

• Manufacturer / Brand
• Dual, Gebr. Steidinger; St. Georgen/Schwarzwald

• Year
• 1976–1978

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 79939

• Picture
• Schematics

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Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• 9

• Semiconductors

• Wave bands
• - without

• Details
• Record Player (not changer)

• Power type and voltage
• Alternating Current supply (AC) / 110-130; 220-240 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Various materials

• from Radiomuseum.org
• Model: Electronic Direct Drive System CS721 - Dual, Gebr. Steidinger; St.

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 470 x 150 x 325 mm / 18.5 x 5.9 x 12.8 inch

• Notes

• 33/45 UpM; Direktantrieb; Anti-Skating, Pitch-Control, Stroboskoplampe, Tonarmaufsetzautomatik.
  Elektronisch geregeltes Direkt-Antriebssystem Dual EDS 1000-2. Gesamtgleichlauffehler <0,03 %.
  Systemträger geeignet zur Aufnahme aller Tonabnehmersysteme mit ½"-Befestigung und einem Eigengewicht von 2 bis 10 g (inkl. Befestigungsmaterial).
  Nußbaumfarbene Flachkonsole. 12 Dioden. 1 LIN-IC (14-DIP), Type TL3741C (OP-IC-UNI-Serie 741 +/- 18 Volt, 0...70°C).

  Pick Up (Standard) : Shure V15 Typ III

• Net weight (2.2 lb = 1 kg)
• 7.8 kg / 17 lb 2.9 oz (17.181 lb)

• Source of data
• Handbuch VDRG 1976/1977 / Radiokatalog Band 2, Ernst Erb

• Literature/Schematics (1)
• -- Original-techn. papers.

• Author
• Model page created by Peter Böhm. See "Data change" for further contributors.

• Other Models

• Here you find 885 models, 845 with images and 478 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Dual, Gebr. Steidinger; St. Georgen/Schwarzwald