• Year
  • 1926/1927
  • Category
  • Detector-Radio (Crystal or diode, without tubes/transistors)
  • Radiomuseum.org ID
  • 169868

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

 Technical Specifications

  • Main principle
  • Crystal or Solid State Detector
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: P-3 - П-3 - Moscow Telegraph Works ex-
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 195 x 90 x 145 mm / 7.7 x 3.5 x 5.7 inch
  • Notes
  • Crystal set with plug-in coils. Coverage from 300 m to 1800 m (160 kHz to 1 MHz).
  • Net weight (2.2 lb = 1 kg)
  • 1.1 kg / 2 lb 6.8 oz (2.423 lb)
  • Source of data
  • - - Data from my own collection
  • Author
  • Model page created by Valery Gromov. See "Data change" for further contributors.

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The model is part of the collections of the following members.

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