- Country
- Germany
- Manufacturer / Brand
- Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
- 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.
- 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
- Source of data
- HdB d.Rdf-& Ferns-GrH 1955/56
- Author
- Model page created by Bernd P. Kieck. See "Data change" for further contributors.
- Other Models
-
Here you find 3558 models, 3143 with images and 2111 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH