• Year
  • 1940/1941
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 47514
    • Brand: Airline or Air-Line

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

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • Superheterodyne (common); ZF/IF 455 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) / 105-125 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
  • Wooden case
  • from Radiomuseum.org
  • Model: 04BR-729 Order= P462 B 729 - Montgomery Ward & Co. Wards,
  • Dimensions (WHD)
  • 15.25 x 17.25 x 9 inch / 387 x 438 x 229 mm
  • Notes
  • BC (535-1600 kHz) and SW (5.4-18.4 MHz) bands. Loop antenna as first RF circuit for BC band. Push-pull audio amplifier.
  • Price in first year of sale
  • 24.95 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 14 = 1944 = before 1943

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