• Year
  • 1948 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 194115

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 455/21750 kHz; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)     3 FM circuit(s)
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Power type and voltage
  • AC/DC-set / 105 - 125 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: 7-537 - Olympic Radio & Television,
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • The FM tuner section is a Fremodyne converter with one half of the 12AT7 dual triode as local oscillator oscillating above the RF frequency and the other half as input mixer and super-regenerative slope detector at the IF frequency of 21.75MHz.
  • Author
  • Model page created by Ernst Erb. See "Data change" for further contributors.

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