• Year
  • 1915 ??
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 154747

 Technical Specifications

  • Main principle
  • none
  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - Is a Headphone or Earphone
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Monotelephon S1 - Seibt, Dr. Georg Nachf.;
  • Shape
  • Miscellaneous shapes - described under notes.
  • Dimensions (WHD)
  • 72 x 47 x 72 mm / 2.8 x 1.9 x 2.8 inch
  • Notes
  • Hochohmiger Kopfhörer nach dem magnetischen Prinzip, Gleichstromwiderstand 1kOhm. Mechanisch abstimmbare Resonanzlage von 600Hz bis 1400Hz zum Empfang tönender Telegraphiezeichen.
  • Net weight (2.2 lb = 1 kg)
  • 0.3 kg / 0 lb 10.6 oz (0.661 lb)
  • Author
  • Model page created by Nikolaus Löwe. See "Data change" for further contributors.

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The model Monotelephon is part of the collections of the following members.

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