Positron Transistor-Zakradio

Amroh NV (Radio Bulletin monthly), Muiden

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  • Year
  • 1958
  • Category
  • Kit (Parts plus instruction) or building instructions only
  • Radiomuseum.org ID
  • 123302

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

 Technical Specifications

  • Number of Transistors
  • 3
  • Main principle
  • TRF with diode detector; 1 AF stage(s); Reflex
  • Tuned circuits
  • 1 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Dry Batteries / 4 x 1,5 Volt
  • Loudspeaker
  • - only for Earphone!
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: Positron Transistor-Zakradio - Amroh NV Radio Bulletin
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 150 x 90 x 40 inch / 3810 x 2286 x 1016 mm
  • Notes
  • Reflex-Empfänger mit nur 3 Transistoren: 2 x SO1 (Amroh/Sprague, altern. 2N410, 2N412 oder OC44) und 1 x 2N406 (altern. OC4, OC13 oder OC71). Empfang von zwei festen Frequenzen: Hilversum 1 und Hilversum 2. Batteriespeisung (2 x Berec U8/2, Duplexbatterie 3V; muss getrennt werden in 4 Zellen).
  • Price in first year of sale
  • 52.00 HFl
  • Mentioned in
  • Funkschau (FS 1959 Heft 6 S.125-126)
  • Literature/Schematics (1)
  • Radio Bulletin September 1958; Amroh Katalog 1963
  • Literature/Schematics (2)
  • Book "Positron transistor ontvanger (zakmodel) 5826-W"
  • Author
  • Model page created by Aren van Waarde. See "Data change" for further contributors.

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