AudioTron Oscillating Amplifier No. 31

Audiotron Sales Company; San Francisco

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  • Year
  • 1916 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 280822

 Technical Specifications

  • Number of Tubes
  • 3
  • Main principle
  • TRF with regeneration; 2 AF stage(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case, TUBES VISIBLE.
  • from Radiomuseum.org
  • Model: AudioTron Oscillating Amplifier No. 31 - Audiotron Sales Company; San
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Notes

  • AudioTron Oscillating Amplifier Type  No. 31

    (AudioTron Oscillator Type No. 30 Specs. Commercial Receiving Set and Oscillator for undamped waves - 300 meters to 10,000 meters. Complete with three variable condensers, 10,000 meter loading coils, loose coupler, dead end switches, i. e. everything needed for a complete oscillating receiving set of the Ultra-AudioTron type.)

    Includes all of the features of the Type No. 30 listed above with a two bulb two step audio frequency Ultra-AudioTron Amplifier. This set combines all of the features of the AudioTron Oscillator No. 30 with two-step audio amplification. 

  • Price in first year of sale
  • 450.00 $
  • Mentioned in
  • Circa 1916 AudioTron Sales Brochure
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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