• Country
• Germany

• Manufacturer / Brand
• Sennheiser Electronic (Labor W); Wennebostel

• Year
• 1956/1957

• Category
• Microphone or Pick-up element

• Radiomuseum.org ID
• 98901

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• from Radiomuseum.org
• Model: Labor W, MM51 - Sennheiser Electronic Labor W;

• Notes
• Magnetisches Kehlkopfmikrofon; Frequenzbereich bis 4000 Hz; Empfindlichkeit 0,25 mV bei normaler Unterhaltungssprache; Innenwiderstand 500 Ohm bei 1 kHz. Gesamtgewicht 34 Gramm.

• Price in first year of sale
• 22.00 DM

• Source of data
• HdB d.Rdf-& Ferns-GrH 1956/57

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

• Other Models

• Here you find 298 models, 283 with images and 138 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sennheiser Electronic (Labor W); Wennebostel