• Year
  • 1951 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 112758

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Details
  • Changer (Record changer)
  • Power type and voltage
  • Alternating Current supply (AC) / 105 - 125 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 inch = 15.2 cm
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 7-638 - Olympic Radio & Television,
  • Shape
  • Console, Lowboy (legs < 50 %).
  • Notes
  • Selenium Rectifier
  • Circuit diagram reference
  • Rider's Perpetual, Volume 19 = 1949 and before
  • Author
  • Model page created by Egon Penker. See "Data change" for further contributors.

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