• Year
  • 1940 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 37516
    • Brand: Pierce Airo

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 455 kHz; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • AC/DC-set / 105-125 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Bakelite or Plastics (type unknown)
  • from Radiomuseum.org
  • Model: 549 - DeWald Radio Mfg. Corp.,
  • Shape
  • Tablemodel without push buttons, Mantel/Midget/Compact up to 14
  • Notes
  • Bakelite black or brown; ivory plaskon.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 12 = ca. 1941 and before

 Collections | Museums | Literature

 Forum