Edison Bell Slack Diaphragm Microphone display
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