• Year
  • 1941 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 65935

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 468 kHz
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast, Short Wave(s) and Police.
  • Power type and voltage
  • Alternating Current supply (AC) / 115 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: D728 Truetone - Western Auto Supply Co.
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 17.5 x 8.5 x 8.5 inch / 445 x 216 x 216 mm
  • Notes
  • 7 tuned circuits in BC only (tuned preselector forming a band filter. Other bands use 6 circuits.
  • Net weight (2.2 lb = 1 kg)
  • 16 lb (16 lb 0 oz) / 7.264 kg
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 12 = ca. 1941 and before
  • Literature/Schematics (1)
  • Riders 12-32

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The model D728 Truetone is part of the collections of the following members.

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