6-Tube Junior (Jr.) #2 (Transformer coupled)

Audiola Radio Co.; Chicago, Illinois

  • Year
  • 1931
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 33516
    • Brand: Audiodyne

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • TRF without regeneration; Screengrid 1926-1935
  • Tuned circuits
  • 3 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Alternating Current supply (AC) / 105-125 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • from Radiomuseum.org
  • Model: 6-Tube Junior #2 - Audiola Radio Co.; Chicago,
  • Notes
  • The power tube (45) input is transformer coupled. There is also a version #1 using RC coupling for the power stage input.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 2 = 1932 (Models 1931/1932)
  • Mentioned in
  • Rider's Changes 7-4

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The model 6-Tube Junior (Jr.) is part of the collections of the following members.

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