• Year
  • 1951–1958
  • Category
  • Amateur-Receiver (amateur bands, may include broadcast bands)
  • Radiomuseum.org ID
  • 49625
    • alternative name: National Toy Co.
    • Brand: Thrillbox

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 455 kHz; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast plus more than 2 Short Wave bands.
  • Power type and voltage
  • AC/DC-set / 117V = 105 -130 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
  • Power out
  • 1.8 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: SW-54 - National Company; Cambridge &
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 279 x 178 x 178 mm / 11 x 7 x 7 inch
  • Notes
  • National model SW-54 is an AC-DC operated multi-band superheterodyne receiver.
    coverage 540 kHz - 30 MHz, AM, CW (BFO).

  • Net weight (2.2 lb = 1 kg)
  • 5.8 kg / 12 lb 12.4 oz (12.775 lb)
  • Price in first year of sale
  • 50.00 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 22, covering 1951

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The model is part of the collections of the following members.

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