• Year
  • 1922
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 137125
    • Brand: King

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • Horn
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Concertola JR. - Workrite Manufacturing Co.,
  • Notes
  • 5000 Ohm phone unit.
  • Price in first year of sale
  • 12.00 $
  • Source of data
  • - - Manufacturers Literature
  • Mentioned in
  • Radio News 11/1922, p.819
  • Author
  • Model page created by Otto Frosinn. See "Data change" for further contributors.

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