• Year
  • 1939
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 58744

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 456 kHz; 2 AF stage(s)
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Line / Batteries (any type) / AC/DC 117 / 1 x 6 & 2 x 45 Volt
  • Loudspeaker
  • Presumably Dynamic Loudspeaker (moving coil)
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: Sparton Portable Radio 590-1 - Sparks-Withington Co., Sparton
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Notes
  • Loop antenna.
  • Net weight (2.2 lb = 1 kg)
  • 17 lb (17 lb 0 oz) / 7.718 kg
  • External source of data
  • Ernst Erb

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