• Year
  • 1925/1926
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 4917
    • alternative name: Telephon-Fabrik, AG vorm. J. Berliner

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - Is a Headphone or Earphone
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: 1281 - Tefag; Telephon
  • Notes
  • Doppelkopfhörer, auch 1283, 1285,1286, 1287, 1289, 1290
  • Net weight (2.2 lb = 1 kg)
  • 0.4 kg / 0 lb 14.1 oz (0.881 lb)
  • Price in first year of sale
  • 12.00 RM
  • Source of data
  • Radiokatalog Band 1, Ernst Erb

 Collections | Museums | Literature

 Forum