• Year
  • 1940/1941
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 40125

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
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 inch = 15.2 cm
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: BT-57 - Farnsworth Television & Radio
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 17.5 x 14.5 x 7.5 inch / 445 x 368 x 191 mm
  • Price in first year of sale
  • 26.95 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 12 = ca. 1941 and before

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