Double Button Carbon Microphone 20

Ellis Electrical Laboratory Sales Corp.; Chicago, IL

  • Year
  • 1930 ??
  • Category
  • Microphone or Pick-up element
  • Radiomuseum.org ID
  • 321604

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Wave bands
  • - without
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Double Button Carbon Microphone 20 - Ellis Electrical Laboratory
  • Dimensions (WHD)
  • 170 x 360 x 45 mm / 6.7 x 14.2 x 1.8 inch
  • Notes
  • Double Button Carbon Microphone

  • Net weight (2.2 lb = 1 kg)
  • 0.8 kg / 1 lb 12.2 oz (1.762 lb)
  • Author
  • Model page created by a member from D. See "Data change" for further contributors.

 Collections | Museums | Literature

Collections

The model Double Button Carbon Microphone is part of the collections of the following members.

Museums

The model Double Button Carbon Microphone can be seen in the following museums.

 Forum