• Year
  • 1947
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 48304
    • Brand: Airline or Air-Line

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

 Technical Specifications

  • Number of Tubes
  • 9
  • Main principle
  • Superheterodyne (common); ZF/IF 455/10700 kHz; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)     10 FM circuit(s)
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Power type and voltage
  • Alternating Current supply (AC) / 105-125 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 9 inch = 22.9 cm
  • Power out
  • 3.5 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 74BR-1812B - Montgomery Ward & Co. Wards,
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • BC (540-1600 kHz) and FM (88-108 MHz) bands. 6x9 inch speaker.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 16 = ca. 1948 and before
  • Mentioned in
  • Rider's 16-17 to 16-21, Changes 18-5

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