• Country
• Germany

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

• Year
• 1975–1978

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 111774

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

• Number of Transistors
• 50

• Semiconductors

• Main principle
• Superheterodyne (common); ZF/IF 460/10700 kHz

• Tuned circuits
• 7 AM circuit(s)     16 FM circuit(s)

• Wave bands
• Broadcast, (BC) Long Wave (LW), 2 x SW and FM or UHF.

• Power type and voltage
• Alternating Current supply (AC) / 110; 117; 220; 240 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Wooden case

• from Radiomuseum.org
• Model: CR230 - Dual, Gebr. Steidinger; St.

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 420 x 108 x 335 mm / 16.5 x 4.3 x 13.2 inch

• Notes
• NF-Ausgangsleistung: 2× 30 Watt; Quadroeffekt.
  Siehe auch CR230W mit weißer Konsole.

• Net weight (2.2 lb = 1 kg)
• 7.7 kg / 16 lb 15.4 oz (16.96 lb)

• Source of data
• Handbuch VDRG 1975/1976

• Mentioned in
• Handbuch VDRG 1976/1977 (und 1977/78)

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

• Author
• Model page created by Wolfgang Winkler. See "Data change" for further contributors.

• Other Models

• Here you find 885 models, 845 with images and 476 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Dual, Gebr. Steidinger; St. Georgen/Schwarzwald