• Year
  • 1933 ?
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 262404
    • alternative name: SED

 Technical Specifications

  • Wave bands
  • - without
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Daltona [métallique] - Ducretet -Thomson; avant:
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • Haut-parleur à résonateur E. D'Alton: inventeur version métallique.

     

  • Author
  • Model page created by Ernst Erb. See "Data change" for further contributors.

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