• Country
• Germany

• Manufacturer / Brand
• Tonfunk GmbH; Karlsruhe

• Year
• 1954–1957

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 19812

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

• Number of Tubes
• 2

• Valves / Tubes
• EF40 EL42

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Special Tape or Cassette-Format

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

• Loudspeaker
• - For headphones or amp.

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Tonbandgerät MB1 - Tonfunk GmbH; Karlsruhe

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 180 x 135 x 290 mm / 7.1 x 5.3 x 11.4 inch

• Notes
• Zweispur; 9,5 cm/s. Frequenzbereich 70-6000 Hz; Spulen in Kassette, Spieldauer 2 × 30 min.

• Net weight (2.2 lb = 1 kg)
• 4.8 kg / 10 lb 9.2 oz (10.573 lb)

• Price in first year of sale
• 378.00 DM

• External source of data
• Erb

• Source of data
• Rundfunk- und Fernseh-Katalog 1954/55 / Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Rundfunk-Phono-Fernseh-Katalog 1954/55 S.131 (Thiele)

• Other Models

• Here you find 570 models, 333 with images and 239 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tonfunk GmbH; Karlsruhe