• Year
  • 1990 ??
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 132994

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Wave bands
  • - without
  • Power type and voltage
  • Storage Battery for all (e.g. for car radios and amateur radios)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Funk-Kopfhörer HDR 30 - Sennheiser Electronic Labor W;
  • Notes
  • HDR 30, Funk-Kopfhörer. Stereo Sendeeinheit: T 30, AC/DC adaptor: NT 92, 12 V DC, Battery: BA 151 ( 2,4 V) . Produced in Ireland, but still a German brand. 

  • Net weight (2.2 lb = 1 kg)
  • 0.2 kg / 0 lb 7 oz (0.441 lb)
  • Source of data
  • - - Data from my own collection

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The model Funk-Kopfhörer is part of the collections of the following members.

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