• Year
  • 1947
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 43864

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

 Technical Specifications

  • Number of Tubes
  • 15
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz
  • Wave bands
  • Broadcast, Short Wave plus FM or UHF.
  • Details
  • Changer (Record changer)
  • Power type and voltage
  • Alternating Current supply (AC) / 105-125 Volt
  • Loudspeaker
  • Permanent or electro-dynamic (moving coil), system not known yet. / Ø 15 inch = 38.1 cm
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Echophone EC-403 - Hallicrafters, The; Chicago,
  • Shape
  • Console with Push Buttons.
  • Notes
  • Coverage: 0.540-1.7, 5.8-18,9-12, 15-18, 88-108MHz
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 16 = ca. 1948 and before

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