• Year
  • 1938/1939
  • Category
  • Amateur-Receiver (amateur bands, may include broadcast bands)
  • Radiomuseum.org ID
  • 18686

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

 Technical Specifications

  • Number of Tubes
  • 8
  • Main principle
  • Superhet with RF-stage; ZF/IF 455 kHz
  • Wave bands
  • Broadcast, Short Wave(s) and Police.
  • Power type and voltage
  • Alternating Current supply (AC) / 115 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Sky Champion S-20 - Hallicrafters, The; Chicago,
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 18.5 x 8.5 x 9.375 inch / 470 x 216 x 238 mm
  • Notes
  • Coverage: 0.540-1.8, 1.7-5.75, 5.62-18.4, 17-44MHz, Recessed Dial. Replaced 1939 by S-20R with single ended tube, el. bandspread. S-20 is much rarer than S-20R
  • Net weight (2.2 lb = 1 kg)
  • 10.2 kg / 22 lb 7.5 oz (22.467 lb)
  • Price in first year of sale
  • 50.00 $
  • External source of data
  • E. Erb 3-907007-36-0
  • Circuit diagram reference
  • Rider's Perpetual, Volume 14 = 1944 = before 1943

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

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