• Year
  • 1938/1939
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 58310
    • alternative name: Sonora Electric Phono

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
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Alternating Current supply (AC) / 117 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: EA-33 - Sonora Radio & Telev. Corp.;
  • Shape
  • Tablemodel with Push Buttons.
  • Dimensions (WHD)
  • 17.5 x 10.25 x 8 inch / 445 x 260 x 203 mm
  • Notes
  • Ballast tube: K49C or 165R8G. Range: 1720-535 kc and 5650-18,100 kc.

  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 19 = 1949 and before
  • Literature/Schematics (3)
  • -- Original prospect or advert (The Sonora Folder for 1939.)

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