• Country
• Denmark

• Manufacturer / Brand
• Herofon (Herophon), Hede Nielsens Fabriker; Horsens

• Year
• 1939/1940

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 289035

• • alternative name: Hede Nielsen's Fabrikker A/S

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

• Number of Tubes
• 5

• Valves / Tubes
• 15D1 9D2 11D3 7D6 1D5_rectifier

• Main principle
• Superheterodyne (common); ZF/IF 447,5 kHz

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• AC/DC-set / 220 Volt

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

• from Radiomuseum.org
• Model: 945U or 946U - Herofon Herophon, Hede

• Notes

• The model type given in the Rateksa schema for this model is not clearly readable. It could be 946U or 945U.

  See also model 940 (type not confirmed) with the same tube line-up but 3 wavebands.

• Mentioned in
• Rateksa Diagram Nr. 402

• Other Models

• Here you find 77 models, 61 with images and 28 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Herofon (Herophon), Hede Nielsens Fabriker; Horsens