Hétvezér 3+1

Amrad Rádiolaboratorium; Budapest

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  • Year
  • 1937–1940
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 149917

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Superheterodyne (common)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • Alternating Current supply (AC) / 110, 120, 150, 220, 240 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 20 cm = 7.9 inch
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Hétvezér 3+1 - Amrad Rádiolaboratorium;
  • Shape
  • Tablemodel, with any shape - general.
  • Mentioned in
  • -- Original-techn. papers. (Hidy és Társa Ismertető és építési utasítás)
  • Literature/Schematics (1)
  • The History of Hungarian Radio Broadcasting and a Catalogue of Radio Receivers

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