• Year
  • 1946 ?
  • Category
  • Radio (o sintonizzatore del dopoguerra WW2)
  • Radiomuseum.org ID
  • 57455

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Supereterodina con stadio RF; ZF/IF 455 kHz; 2 Stadi BF
  • Tuned circuits
  • 6 Circuiti Mod. Amp. (AM)
  • Wave bands
  • Solo onde medie (OM).
  • Power type and voltage
  • Alimentazione universale (doppia: CC/CA) / 117 Volt
  • Altoparlante
  • AP magnetodinamico ellittico (magnete permanente e bobina mobile). / Ø 4 inch = 10.2 cm
  • from Radiomuseum.org
  • Model: 1U293W - Sentinel Radio Corp., Evanston
  • Notes
  • Built-in loop antenna. 4 by 6 inch speaker. Sams photofact set 1 folder 461-14 date 6-46 features the Sentinel models 293I, 293T, 293W, 1U-293I, 1U-293T and 1U-293W as the same schematic.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 15 = 1947 and before

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