Aircastle A31

Spiegel Inc. (Continental); Chicago

Data
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  • Year
  • 1935 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 31513

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Superheterodyne (common); ZF/IF 456 kHz; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Alternating Current supply (AC) / 60 cycles, 110 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Aircastle A31 - Spiegel Inc. Continental;
  • Shape
  • Tablemodel, high profile (upright - NOT Cathedral nor decorative).
  • Notes

  • The Air Castle A31 is an AC operated 5 tube BC and SW band receiver.  Has Qty(2) pilot lights, with one lighting when the BC band is selected and the other lighting when the SW band is selected.

    Air Castle is only a brand for Spiegel Inc., Chicago (Illinois) USA. We list Model A31 under Spiegel, not Air Castle. Spiegel uses also Continental and Supersonic as brand name and most often Air Castle is written as Aircastle.

  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 5 = ca. 1934 and before

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