• Year
  • 1961 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 86764
    • Brand: Coronado

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 455 kHz; 3 AF stage(s)
  • Tuned circuits
  • 4 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Dry Batteries / 6 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Coronado RA50-9908A - Gamble-Skogmo, Inc.;
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Notes
  • SAMS Photofact, date 2-63, set 621, folder 9 features the Gamble-Skogmo models RA50-9908A and RA50-9909A as the same schematic. The difference is only the colour.
  • Circuit diagram reference
  • Beitman Radio Diagrams Vol. 22, 1962
  • Author
  • Model page created by Egon Penker. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum