• Year
  • 1931 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 168484

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

 Technical Specifications

  • Number of Tubes
  • 8
  • Main principle
  • Superhet with RF-stage; ZF/IF 175 kHz; Screengrid 1926-1935
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Alternating Current supply (AC)
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • from Radiomuseum.org
  • Model: 48 Revised - Colonial Radio Co.; Long
  • Notes
  • Push-pull af output stage.
  • Circuit diagram reference
  • Rider's Perpetual, Volume 10 = 1939 and before
  • Mentioned in
  • Rider's Misc. Page 10-4

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