• Year
  • 1928–1931
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 4839
    • alternative name: Telephon-Fabrik, AG vorm. J. Berliner

 Technical Specifications

  • Loudspeaker
  • Magnetic loudspeaker (reed) generic.
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: Ultra-Konus 1254 - Tefag; Telephon
  • Notes
  • LS mit Differenzialsystem.
    Originalwerbung: "Der klangschöne Lautsprecher im Luxusgehäuse"

    2000 Ohm

  • Net weight (2.2 lb = 1 kg)
  • 3.740 kg / 8 lb 3.8 oz (8.238 lb)
  • Price in first year of sale
  • 70.00 RM

 Collections | Museums | Literature

Collections

The model Ultra-Konus (Ultra-Conus) is part of the collections of the following members.

Literature

The model Ultra-Konus (Ultra-Conus) is documented in the following literature.

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