• Country
• Germany

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

• Year
• 1959/1960

• Category
• Microphone or Pick-up element

• Radiomuseum.org ID
• 237998

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

• Number of Tubes
• 1

• Valves / Tubes
• AC701

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit. / 4 & 120 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Kondensator-Mikrofon Ela M251 - Telefunken Deutschland TFK,

• Dimensions (WHD)
• 52 x 215 x 52 mm / 2 x 8.5 x 2 inch

• Notes

• Telefunken Kondensator-Mikrofon Ela M251

  Wandlerprinzip: Elektrostatisch
  System: Kondensator-Mikrofon
  Umschaltbare Richtcharakteristik: Kugel/Niere/Acht
  Übertragungsbereich: 40 - 15000 Hz
  Ausgangsimpedanz: 200 oder 50 Ohm umschaltbar
  Zugehöriges Netzanschlußgerät: Ela M950

• Net weight (2.2 lb = 1 kg)
• 0.960 kg / 2 lb 1.8 oz (2.115 lb)

• Mentioned in
• -- Original-techn. papers.

• Literature/Schematics (1)
• Funk-Technik (FT) (15/1959, S. 523 / Neue Kondensatormikrofone)

• Author
• Model page created by a member from D. See "Data change" for further contributors.

• Other Models

• Here you find 3559 models, 3144 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