• Year
  • 1961
  • Category
  • Kit (Parts plus instruction) or building instructions only
  • Radiomuseum.org ID
  • 126733

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

 Technical Specifications

  • Number of Transistors
  • 1
  • Main principle
  • TRF with regeneration; 1 AF stage(s); Reflex
  • Tuned circuits
  • 1 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Dry Batteries / 4,5 Volt
  • Loudspeaker
  • - only for Earphone!
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Supplement Ontvanger - Amroh NV Radio Bulletin
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 176 x 143 x 86 mm / 6.9 x 5.6 x 3.4 inch
  • Notes
  • Mittelwellen-Empfänger mit nur einem Germanium-Transistor (AM18 = AF139), Bau-Anleitung veröffentlicht in Elektronik-Zeitschrift für Kinder ("Radio Blan"). Einstellbare Rückkopplung, Reflex-Schaltung, Detektor mit Spannungs-Verdopplung (zwei Germanium-Dioden AM31 oder AM32). Mit Langdraht-Antenne und einer guten Erde konnten etwa zehn Sender empfangen werden.
  • Mentioned in
  • - - Manufacturers Literature (Radio Blan, No. G, September 1961, pp. 10-12)
  • Literature/Schematics (1)
  • M.van Geelkerken, "Jongens Radio", Bussum: De Muiderkring, 1971, pp. 15-18
  • Author
  • Model page created by Aren van Waarde. See "Data change" for further contributors.

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