• Country
• Germany

• Manufacturer / Brand
• Beyer; Berlin, später Beyerdynamic; Heilbronn

• Year
• 1975 ?

• Category
• Microphone or Pick-up element

• Radiomuseum.org ID
• 209622

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Various materials

• from Radiomuseum.org
• Model: M 81 - Beyer; Berlin, später

• Shape
• Tablemodel, with any shape - general.

• Notes
• Dynamisches Richtmikrofon.
  30mm breit, 140mm lang.

• Net weight (2.2 lb = 1 kg)
• 0.320 kg / 0 lb 11.3 oz (0.705 lb)

• Author
• Model page created by Franz Scharner. See "Data change" for further contributors.

• Other Models

• Here you find 149 models, 140 with images and 55 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Beyer; Berlin, später Beyerdynamic; Heilbronn