• Year
  • 1970
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 97199
    • alternative name: Cheliabinsk Radio Works IU "Poliot"

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

 Technical Specifications

  • Number of Transistors
  • 8
  • Semiconductors
  • Main principle
  • Superheterodyne (common); ZF/IF 465 kHz
  • Wave bands
  • Broadcast, Long Wave and 2 x Short Wave.
  • Power type and voltage
  • Dry Batteries / 4 × 1,5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3 inch = 7.6 cm
  • Power out
  • 0.1 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Astrad 4TR8-M304 - Industrial Union Poliot,
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 215 x 125 x 47 mm / 8.5 x 4.9 x 1.9 inch
  • Notes
  • Russian transistor radio "Rossiya 301" export variant. MW, LW and 2× SW (13-19 m, 22-49 m).
    Later called the Vega Sapphire.
  • Net weight (2.2 lb = 1 kg)
  • 0.9 kg / 1 lb 15.7 oz (1.982 lb)
  • Literature/Schematics (1)
  • -- Schematic
  • Author
  • Model page created by Zenonas Langaitis. See "Data change" for further contributors.

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