• Year
  • 1921–1923
perfect model
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 4616

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 2
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Powered by external power supply or a main unit.
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: NF-V für Wirtsch.-Funk - Telefunken Deutschland TFK,
  • Shape
  • Miscellaneous shapes - described under notes.
  • Source of data
  • Radiokatalog Band 1, Ernst Erb

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