Air Castle TP2250 Ch= 631

Spiegel Inc. (Continental); Chicago

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  • Year
  • 1938
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 59663

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 456 kHz
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast, Short Wave(s) and Police.
  • Power type and voltage
  • Storage and/or dry batteries / 6 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 inch = 20.3 cm
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Air Castle TP2250 Ch= 631 - Spiegel Inc. Continental;
  • Shape
  • Console with any shape - in general
  • Dimensions (WHD)
  • 20.5 x 36 x 11 inch / 521 x 914 x 279 mm
  • Notes

  •  

     Model  Differences
     TP2250  Battery operated
     TP2251  Battery operated with all-wave doublet antenna system
     TP2252  With 6-volt battery included
     TP2253  With 6-volt battery and all-wave doublet antenna system included

    Note:  The referenced schematic may not be an exact match since it does not include the medium wave band (1.6 - 5.6 MHz) referenced in the ad.  The schematic is believed to be for a later 1940 model.

  • Price in first year of sale
  • 39.95 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 12 = ca. 1941 and before
  • Literature/Schematics (1)
  • Riders 12-29 , 12-33

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