• Year
  • 1947
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 32015

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superhet with RF-stage; ZF/IF 455/10700 kHz
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Power type and voltage
  • AC/DC-set / 110-120 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 7B-220 - Allied Radio Corp. Knight,
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • 6" x 9" PM elliptical speaker,
    Selenium Rectifier.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 17 = 1948 and before

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