• Year
  • 1960
  • Category
  • Microphone or Pick-up element
  • Radiomuseum.org ID
  • 71575

 Technical Specifications

  • Number of Tubes
  • 1
  • 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: KM253 - Neumann, Georg, Laboratorium f
  • Dimensions (WHD)
  • 21 x 138 x 21 mm / 0.8 x 5.4 x 0.8 inch
  • Notes
  • Kondensator Röhrenmikrofon. Kugelcharakteristik. Übertragungsbereich 40 bis 15.000Hz. Empfindlichkeit 1,2mV/µb. Röhre AC701k. Heizspannung 4V, Anodenspannung 120V.
  • Source of data
  • Radiokatalog Band 2, Ernst Erb
  • Mentioned in
  • -- Original prospect or advert
  • Author
  • Model page created by Werner Raacke. See "Data change" for further contributors.

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