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Year:
1949
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Category: Microphone or Pick-up element | ||||
Valves / Tubes | 1: VF14 |
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Main principle | Audio-Amplification |
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Wave bands | - without |
Details | |
Power type and voltage | Powered by external power supply or a main unit. / DC: 105 Volt |
Loudspeaker | - For headphones or amp. |
Power out | |
from Radiomuseum.org | Model: Kondensatormikrofon U47 - Telefunken Deutschland TFK, |
Material | Metal case |
Dimensions (WHD) | 63 x 245 x 63 mm / 2.5 x 9.6 x 2.5 inch |
Notes |
Welterstes Mikrofon mit umschaltbarer Richtcharakteristik Kugel/Niere mittels Doppelmembran-Kapsel M7. Speisung aus Wechselstrom-Netzgerät NG, Netzgerät NG, Abmessungen: 105 x 125 x 225 mm, Gewicht: 2,7 kg. Siehe auch 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 | -- Original prospect or advert / Radiokatalog Band 1, Ernst Erb |
Circuit diagram reference | Lange-Nowisch |
Mentioned in | HdB d.Rdf-& Ferns-GrH 1954/55 |
All listed radios etc. from Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Here you find 3462 models, 3032 with images and 2007 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.