• Year
  • 1921
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 197960
    • alternative name: Federal Recorder || Federal Tel. & Radio || Federal T&T
    • Brand: Orthosonic / Ortho-Sonic

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • Horn
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Federal Pleiophone No. 400-W - Federal Radio Corp. / Federal
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • The Federal Telephone & Telegraph Co. Pleiophone Horn Speaker. Finished in black enamel with a six foot green silk cord.
  • Price in first year of sale
  • 14.00 $
  • Literature/Schematics (1)
  • October 1921 The Wireless Age magazine page 46
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

 Collections | Museums | Literature

Collections

The model Federal Pleiophone is part of the collections of the following members.

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