Edison Bell Slack Diaphragm Microphone display

Edison Bell Slack Diaphragm Microphone display

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Edison Bell Slack Diaphragm Microphone display
Science Museum Group
© The Board of Trustees of the Science Museum

Disassembled Edison Bell Slack Diaphragm microphone, mounted in a small perspex-fronted case. J2009 on blue tape.

Display/teaching item showing the elements of a "slack diaphragm" condenser microphone. "Slack" being a relative term compared with earlier rigid, or very firm diaphragms (patented by Voigt).

Details

Category:
Television
Collection:
BBC Heritage Collection
Object Number:
2012-5118/404
Materials:
metal (unknown), electronic components and perspex
Measurements:
overall: 47 mm x 300 mm x 156 mm, .85 kg
type:
microphone