Loose Coupler Type AD

Multi-Audi-Fone; Elizabeth, N.J.

  • Year
  • 1917
  • Category
  • Radio module pre 1926 (not a part, not a key)
  • Radiomuseum.org ID
  • 258646

 Technical Specifications

  • Main principle
  • Tuner pre 1926 (not a wave trap)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Loose Coupler Type AD - Multi-Audi-Fone; Elizabeth, N.
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • Multi-Audi-Fone Type AD Loose Coupler - Range 150-3,000 meters.

    Built with mahogany and all metal parts are nickel plated. 

  • Price in first year of sale
  • 6.50 $
  • Literature/Schematics (2)
  • May 1917, The Electrical Experimenter magazine advertisement on page 67
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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