• Year
  • 1940
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 37715
    • Brand: Pierce Airo

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 kHz; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast plus 2 Short Wave bands.
  • Details
  • Recording phonogr.-Disc Recorder
  • Power type and voltage
  • Alternating Current supply (AC) / 117;135;150;220;240 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 906 - DeWald Radio Mfg. Corp.,
  • Shape
  • Console with any shape - in general
  • Notes
  • Disc recording and playing; public address; BC(540-1675kHz) with built-in loop antenna, SW1(2.7-9.0MHz) and SW2(8.0-24MHz) bands. Tuning eye. Push-pull audio amplifier. Preamplifier for microphone/phono. Some models for 117V AC only.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 12 = ca. 1941 and before

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