HiFi-Receiver CR1730

• Country
• Germany

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

• Year
• 1979–1981

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 134952

• Picture
• Schematics

Previous Next

Previous Next

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast, Long Wave and FM or UHF.

• Power type and voltage
• Alternating Current supply (AC) / 115; 230 Volt

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

• Power out
• 110 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: HiFi-Receiver CR1730 - Dual, Gebr. Steidinger; St.

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 440 x 112 x 400 mm / 17.3 x 4.4 x 15.7 inch

• Notes
• Dual CR1730.
  5 Programmspeicher, 10-40000 Hz ±1,5 dB.
  Dazu empfohlene Boxen: CL720, CL710.

• Net weight (2.2 lb = 1 kg)
• 9 kg / 19 lb 13.2 oz (19.824 lb)

• Source of data
• -- Original prospect or advert

• Author
• Model page created by Sándor Selyem-Tóth. 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