• Country
• Germany

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

• Year
• 1961–1963

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 24111

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

• Number of Transistors
• 4

• Semiconductors
• TF65 TF65 TF65 TF65

• Main principle
• Audio-Amplification

• Wave bands
• - without

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

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Entzerrer-Vorverstärker TVV41 - Dual, Gebr. Steidinger; St.

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 205 x 75 x 55 mm / 8.1 x 3 x 2.2 inch

• Notes
• Eingang an Magnet-System DMS900 angepasst (20 kΩ); besonderer Eingang für Stereo-Kristall-Systeme. Frequenzbereich 20···20000 Hz.

• Net weight (2.2 lb = 1 kg)
• 0.5 kg / 1 lb 1.6 oz (1.101 lb)

• Price in first year of sale
• 110.00 DM

• External source of data
• Erb

• Source of data
• HdB d.Rdf-& Ferns-GrH 1961/62 / 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