• Country
• Germany

• Manufacturer / Brand
• Neumann, Georg, Laboratorium für Elektroakustik GmbH; Berlin

• Year
• 1954

• Category
• Microphone or Pick-up element

• Radiomuseum.org ID
• 71663

• Number of Tubes
• 1

• Valves / Tubes
• AC701k

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

• Material
• Metal case

• from Radiomuseum.org
• Model: Meßmikrofon MM5 - Neumann, Georg, Laboratorium f

• Dimensions (WHD)
• 63 x 403 x 63 mm / 2.5 x 15.9 x 2.5 inch

• Notes
• Messmikrofon mit Röhre AC701k von Telefunken, Kugelcharakteristik. Übertragungsbereich 20 bis 40.000 Hz, Empfindlichkeit 0,55 mV/Pa, Impedanz 200 Ohm. Spezialnetzteil NMa erforderlich.

• Net weight (2.2 lb = 1 kg)
• 0.5 kg / 1 lb 1.6 oz (1.101 lb)

• Source of data
• -- Original prospect or advert / Radiokatalog Band 2, Ernst Erb

• Author
• Model page created by Werner Raacke. See "Data change" for further contributors.

• Other Models

• Here you find 128 models, 117 with images and 47 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Neumann, Georg, Laboratorium für Elektroakustik GmbH; Berlin