• Year
  • 1976–1980
  • Category
  • Amateur-Receiver (amateur bands, may include broadcast bands)
  • Radiomuseum.org ID
  • 69095

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

 Technical Specifications

  • Number of Transistors
  • 22
  • Semiconductors
  • Main principle
  • Wadley-Loop principle (including dual superhet)
  • Wave bands
  • Broadcast plus more than 2 Short Wave bands.
  • Power type and voltage
  • Line / Batteries (any type) / 100; 110; 117; 200; 220; 234 / 8×1,5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
  • Power out
  • 2 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: FRG-7 - Yaesu-Musen Co. Ltd.; Tokyo
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 340 x 153 x 285 mm / 13.4 x 6 x 11.2 inch
  • Notes
  • ICs: 2

    Yaesu Communications-Receiver FRG-7.

    Frequency range: 500 - 30000 kHz in for ranges; Modes: AM, SSB, CW; external power supply (12 VDC) possible.

    Wadley-Loop principe incl. dual conversion superhet. First use of the Wadley-Loop principle was in RACAL RA-17. Principle invented by Dr. Trevor Lloyd Wadley, 1920 - 21.05.1981.
    In Europe also sold under the Sommerkamp-Label and from Sears in the US under Nr. 412.36380700.

    Early models have no fine-tuning.

  • Net weight (2.2 lb = 1 kg)
  • 7 kg / 15 lb 6.7 oz (15.419 lb)
  • Price in first year of sale
  • 290.00 $
  • External source of data
  • Eilert Menke
  • Source of data
  • -- Original-techn. papers.
  • Author
  • Model page created by a member from D. See "Data change" for further contributors.

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