• Year
  • 1915 ?
  • Category
  • Radio module pre 1926 (not a part, not a key)
  • Radiomuseum.org ID
  • 197737
    • alternative name: Lee De Forest Mfg.

 Technical Specifications

  • Number of Tubes
  • 2
  • Main principle
  • Detector with Vacuum Tube (Valve), no tuner
  • Wave bands
  • - without
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Audion Detector Professional Type - DeForest Radio Telephone &
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Dimensions (WHD)
  • 9.25 x 9 x 7 inch / 235 x 229 x 178 mm
  • Notes
  • The DeForest Radio and Telegraph Co. Audion Detector was provided with two dual filament super-sensitive Audion Bulbs.

    May have been advertised in a catalogue dated 1914.

  • Price in first year of sale
  • 100.00 $
  • Literature/Schematics (1)
  • Manhatten Electrical Supply Co. catalog circa 1916 page 96
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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