• Country
• Germany

• Manufacturer / Brand
• Tonfunk GmbH; Karlsruhe

• Year
• 1956

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 89026

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

• Number of Tubes
• 4

• Valves / Tubes
• DK92 DF96 DAF96 DL94

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Storage and/or dry batteries / 90 / 1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• from Radiomuseum.org
• Model: B70KM - Tonfunk GmbH; Karlsruhe

• Source of data
• -- Collector info (Sammler)

• Author
• Model page created by Thomas Welti. See "Data change" for further contributors.

• 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