• Year
  • 1955/1956
  • Category
  • Microphone or Pick-up element
  • Radiomuseum.org ID
  • 94417

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

 Technical Specifications

  • Number of Tubes
  • 1
  • Valves / Tubes
  • VF14
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Powered by external power supply or a main unit.
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: U47 - Telefunken Deutschland TFK,
  • Notes
  • Röhren-Kondensatormikrofon. Richtcharakteristik Niere, Kugel. Empfindlichkeit bei Niere 2,5 mV/µbar, bei Kugel 1,4 mV/µbar. Frequenzbereich 30-15000 Hz. Röhre VF14M. Betriebspannung 100 V aus Netzgerät NG.
    Baugleich mit Neumann U47.
  • Net weight (2.2 lb = 1 kg)
  • 0.7 kg / 1 lb 8.7 oz (1.542 lb)
  • Price in first year of sale
  • 440.00 DM
  • Author
  • Model page created by Bernd P. Kieck. See "Data change" for further contributors.

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