Headphones Ultrafon

Unknown Europe

  • Year
  • 1930 ??
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 326550
    • alternative name: Unbekannt Europa

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - Is a Headphone or Earphone
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Headphones Ultrafon - Unknown Europe
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Notes
  • 2× 4000 Ω.

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