• Country
• Denmark

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

• Year
• 1955 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 138492

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

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

• Number of Tubes
• 4

• Valves / Tubes
• UCH81 UAF42 UAF42 UL41

• Main principle
• Superheterodyne (common); ZF/IF 452 kHz

• Wave bands
• Broadcast, Long Wave and 2 x Short Wave.

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

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Medio 55 AM - Herofon Herophon, Hede

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

• Notes

• The number and type of wave bands is not 100% certain.
  The schematic shown here is (originally) for a model Medio 556 AM, which seems to be a type fault.

• Mentioned in
• -- Schematic

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• 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