• Country
• Germany

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

• Year
• 1953

• Category
• Microphone or Pick-up element

• Radiomuseum.org ID
• 104554

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• from Radiomuseum.org
• Model: M27STR - Beyer; Berlin, später

• Notes
• Tauchspulen-Mikrofon mit eingebautem hochohmigen Übertrager und Schalter; Kugelcharakteristik; 50-12000 Hz; Empfindlichkeit: 3-6 mV/Mikrobar.

• Price in first year of sale
• 68.00 DM

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

• Author
• Model page created by Rudolf HEINZ. 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