• Year
  • 1925/1926
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 4913
    • alternative name: Telephon-Fabrik, AG vorm. J. Berliner

 Technical Specifications

  • Loudspeaker
  • Horn
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: "Freisprecher" 1271 - Tefag; Telephon
  • Dimensions (WHD)
  • 400 x 650 x 400 mm / 15.7 x 25.6 x 15.7 inch
  • Notes
  • Trichterlautsprecher, 2000 Ohm
  • Net weight (2.2 lb = 1 kg)
  • 1.7 kg / 3 lb 11.9 oz (3.744 lb)
  • Price in first year of sale
  • 22.00 RM
  • Source of data
  • Radiokatalog Band 1, Ernst Erb
  • Picture reference
  • Eine Abbildung findet sich im Doppelband "Radios von gestern"

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