• Year
  • 1940
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 57430

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

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Alternating Current supply (AC) / 115; 220; 110-250 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 6 inch = 15.2 cm
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 198 A - Sentinel Radio Corp., Evanston
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • BC (540-1600kHz) and SW (5.7-18.3MHz) bands. Built-in loop antenna for BC band. Push-pull audio amplifier. Some models with additional 6AB5 tuning eye. 6 or 10 inch speaker.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 11 = ca. 1940 and before

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