• Year
  • 1930
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 273834
    • Brand: Efescaphone

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • Presumably Dynamic Loudspeaker (moving coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Puravox Loud Speaker Cone Type - Efescaphone Brand, Falk,
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • Puravox Loud Speaker Cone Type

     

  • Mentioned in
  • - - Manufacturers Literature (1930 BBC Year-book advertisement page 8)
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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