• Year
  • 1928
  • Category
  • Detector-Radio (Crystal or diode, without tubes/transistors)
  • Radiomuseum.org ID
  • 91759

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

 Technical Specifications

  • Main principle
  • Crystal or Solid State Detector; Crystal-detection 1 circuit (no tubes)
  • Tuned circuits
  • 1 AM circuit(s)
  • Wave bands
  • Broadcast and LongWave in ONE range.
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: DV-4 {ДВ-4} - MEMZA Electromechanical Works
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 160 x 110 x 130 mm / 6.3 x 4.3 x 5.1 inch
  • Notes
  • Coverage 300-1800 m. Plug-in crystal detector.
  • Net weight (2.2 lb = 1 kg)
  • 0.8 kg / 1 lb 12.2 oz (1.762 lb)
  • Source of data
  • -- Collector info (Sammler)
  • Author
  • Model page created by Zenonas Langaitis. See "Data change" for further contributors.

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