• Year
  • 1932–1934
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 326518
    • alternative name: Telephon-Fabrik, AG vorm. J. Berliner

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • Powered by external power supply or a main unit. / 220-280 DC Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Eltrodyn 32 - Tefag; Telephon
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 500 x 381 x 230 mm / 19.7 x 15 x 9.1 inch
  • Notes
  • Dynamischer Lautsprecher für Gleichstromerregung 220-280V 20mA. Mit umschaltbarem Anpassungstrafo und Klangfärber. Katalog-Nr. 477

  • Net weight (2.2 lb = 1 kg)
  • 5.1 kg / 11 lb 3.7 oz (11.233 lb)
  • Price in first year of sale
  • 62.00 RM
  • Mentioned in
  • Tefag Werbeblatt Nr. 554
  • Author
  • Model page created by Nikolaus Löwe. See "Data change" for further contributors.

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