• Year
  • 1939
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 47404

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Superheterodyne (common); ZF/IF 465 kHz; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Storage and/or dry batteries / 1.5; 90 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: 501 - Mission Bell Radio Mfg. Co.;
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Notes
  • BC (540-1530 kHz) band with built-in loop antenna.

  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 10 = 1939 and before

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