• Country
• Germany

• Manufacturer / Brand
• Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH

• Year
• 1954–1956

• Category
• Microphone or Pick-up element

• Radiomuseum.org ID
• 94393

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

• Number of Tubes
• 1

• Valves / Tubes
• AC701

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit.

• from Radiomuseum.org
• Model: Ela M221 - Telefunken Deutschland TFK,

• Dimensions (WHD)
• 23 x 140 x 23 mm / 0.9 x 5.5 x 0.9 inch

• Notes
• Kondensatormikrofon mit Kugel- und Nierencharakteristik (umschaltbar); 40-15000 Hz; Empfindlichkeit 1,9 mV/µb für Niere, 1,5 mV/µb für Kugel.

• Net weight (2.2 lb = 1 kg)
• 0.1 kg / 0 lb 3.5 oz (0.22 lb)

• Price in first year of sale
• 686.00 DM

• Source of data
• HdB d.Rdf-& Ferns-GrH 1954/55

• Author
• Model page created by Bernd P. Kieck. See "Data change" for further contributors.

• Other Models

• Here you find 3546 models, 3126 with images and 2095 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