• Year
  • 1925/1926
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 8229
    • alternative name: Hekaphon

 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: Kopfhörer 20 - Czeija, Nissl & Co., Standard,
  • Notes
  • 400 (4000?) Ohm, beledert
  • Price in first year of sale
  • 19.00 ATS
  • External source of data
  • E. Erb 3-907007-36-0
  • Source of data
  • Radiokatalog Band 2, Ernst Erb

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