• Year
  • 1938
  • Category
  • Microphone or Pick-up element
  • Radiomuseum.org ID
  • 96342
    • alternative name: Brush Electronics

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Spherical Crystal Microphone BR2S - Brush Development Co. /
  • Dimensions (WHD)
  • 2.3 x 4.2 x 0 inch / 58 x 107 x 0 mm
  • Notes
  • Brush Spherical Crystal Microphone Model BR2S.

    Output Level -66 dB.

  • Price in first year of sale
  • 30.00 $
  • Literature/Schematics (1)
  • 1938 Radolek Catalog
  • Author
  • Model page created by Vitor Oliveira. See "Data change" for further contributors.

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