• Year
  • 1931
  • Category
  • Car Radio, perhaps also + sound player/recorder
  • Radiomuseum.org ID
  • 18402

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

 Technical Specifications

  • Number of Tubes
  • 9
  • Main principle
  • Superhet with RF-stage; ZF/IF 260 kHz
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Storage and/or dry batteries / 6 & 3x45 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: 91C 91-C - Atwater Kent Mfg. Co.;
  • Shape
  • Chassis only or for «building in»
  • Notes
  • Dry cells for +B;

  • External source of data
  • E. Erb 3-907007-36-0
  • Circuit diagram reference
  • Rider's Perpetual, Volume 3 = 1933 and before
  • Mentioned in
  • Thali

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