• Country
• Germany

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

• Year
• 1970/1971

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 28002

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

• Number of Transistors
• 30

• Semiconductors

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

• Tuned circuits
• 8 AM circuit(s)     13 FM circuit(s)

• Wave bands
• Broadcast, Long Wave, Short Wave plus FM or UHF.

• Details
• Record Player (not changer)

• Power type and voltage
• Alternating Current supply (AC) / 110-130; 150; 220-240 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: HiFi-Stereo-Kompakt-Anlage KA20 - Dual, Gebr. Steidinger; St.

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 420 x 225 x 377 mm / 16.5 x 8.9 x 14.8 inch

• Notes
• Vollstereo, NF-Verstärker mit zwei Endstufen je 10 W (Sinus);
  Phono-Chassis = 1215.

• Net weight (2.2 lb = 1 kg)
• 12.5 kg / 27 lb 8.5 oz (27.533 lb)

• Price in first year of sale
• 998.00 DM

• External source of data
• Erb

• Source of data
• Handbuch VDRG 1970/1971 / Radiokatalog Band 2, Ernst Erb

• 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