• Year
  • 1931 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 49616
    • alternative name: National Toy Co.
    • Brand: Thrillbox

 Technical Specifications

  • Number of Tubes
  • 3
  • Main principle
  • TRF with regeneration
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Alternating Current supply (AC) / 2,5 / 135-180 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: SW-3 Model I [var 1a] - National Company; Cambridge &
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • plug-in coils with color code or numbers series "10-22";
    headphones operation only, no audio output stage
    possibly identical to Thrill Box SW-3
  • Price in first year of sale
  • 55.00 $
  • External source of data
  • Ernst Erb

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