• Country
• Germany

• Manufacturer / Brand
• Neumann & Co, Georg; Gefell

• Year
• 1949–1956

• Category
• Microphone or Pick-up element

• Radiomuseum.org ID
• 111804

• Number of Tubes
• 1

• Valves / Tubes
• RV12P2000

• Wave bands
• - without

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

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Kondensator-Mikrofon CMV789 - Neumann & Co, Georg; Gefell

• Dimensions (WHD)
• 35 x 210 x 35 mm / 1.4 x 8.3 x 1.4 inch

• Notes
• Röhren-Kondensator-Mikrofon, Richtcharakteristik Niere und Kugel.

• Net weight (2.2 lb = 1 kg)
• 0.6 kg / 1 lb 5.1 oz (1.322 lb)

• Source of data
• -- Collector info (Sammler)

• Other Models

• Here you find 63 models, 59 with images and 13 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Neumann & Co, Georg; Gefell