• Year
  • 1929/1930
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 163510
    • alternative name: Wholesale Radio

 Technical Specifications

  • Number of Tubes
  • 8
  • Main principle
  • TRF without regeneration; Screengrid 1926-1935
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Alternating Current supply (AC) / 50 to 60 cycles, 105 - 125 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 20 Challenger - Lafayette Radio & TV Corp; New
  • Shape
  • Console, Lowboy (legs < 50 %).
  • Dimensions (WHD)
  • 29.5 x 48 x 15.25 inch / 749 x 1219 x 387 mm
  • Notes
  • The catalog 1930 for season 1929/30 names this model 20 "Lafayette Challenger Screen-Grid". It features 3 screen grid tubes, 2 tubes 245 for push-pull and a Utah dynamic speaker. "Wholesale Radio Cervice Co. Inc." writes: "Super-Efficient Circuit --- Lafayette-Designed", going on with: "In our research laboratories, where we have available every conceivable type of testing apparatus, Lafayette engineers have developed this amazing new receiver. It is a distinctly new circuit design that gives the Challenger a tremendous advantage over all other receivers that may appear to be the same.". Two knobs, illuminated drum scale. As illustrated on page 5 to 10, the same chassis is used for Challenger 40, 18, 30, 10, 85 and 20.

    The list price for model 20 is $ 163.00 without tubes/aerial equipment or $ 192.00 with - but Lafayette puts a price of $ 79.75 or $ 93.95 all inclusive. See details and summaries for the models of this catalog.
  • Price in first year of sale
  • 94.00 $ !
  • Literature/Schematics (1)
  • Lafayette Radio Catalog (Wholesale Radio Service Co. Inc. catalog 1930 for 1929/30, pages 5 to 10.)
  • Author
  • Model page created by Ernst Erb. See "Data change" for further contributors.

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