• Year
  • 1939/1940
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 37510
    • 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 only (MW).
  • Power type and voltage
  • Line / Batteries (any type) / 105-125;220;6;90 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: 545 - DeWald Radio Mfg. Corp.,
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 13 x 10 x 5 inch / 330 x 254 x 127 mm
  • Notes
  • BC (540-1700kHz) band with built-in loop antenna. AC-DC and (switch-selectable) battery operation. Case simulated Cowhide. See also the same DeWald Model 545SW simulated Alligator.

  • Net weight (2.2 lb = 1 kg)
  • 13.5 lb (13 lb 8 oz) / 6.129 kg
  • Price in first year of sale
  • 29.95 $
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 11 = ca. 1940 and before
  • Literature/Schematics (3)
  • The DeWald Folder for 1940, Form. 50M 1-40 L.

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