• Year
  • 1938
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 78784

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 475 kHz
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Alternating Current supply (AC) / 200-229; 230-250 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 6 inch = 15.2 cm
  • Power out
  • 3 W (unknown quality)
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: Empire Automatic D521 [B] - Philco Radio & Television Corp
  • Shape
  • Tablemodel with Push Buttons.
  • Dimensions (WHD)
  • 13 x 17 x 9.5 inch / 330 x 432 x 241 mm
  • Notes
  • A 2 band AC mains table radio in a bakelite cabinet designed by Raymond Lowey. Automatic Teledial tuning with 7 push buttons preset to 7 MW and 3 LW radio stations, glowing beam station indicator and manual tuning (MW 200-550 metres, LW 1100-1900 metres). With full delayed A.V.C. and extension speaker sockets.

    The Philco Empire Automatic D531B, X521B and S521B models have the same cabinet.  See also the Empire Automatic de Luxe D521W wooden cased version with the same chassis.

  • Price in first year of sale
  • 8.50 GNS
  • Mentioned in
  • -- Original prospect or advert (May 1938 Philco catalogue)
  • Literature/Schematics (1)
  • - - Manufacturers Literature

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