Acos MIC 22 crystal microphone

Made:
1951 in Middlesex
Acos MIC 22 crystal microphone, 1951 Acos MIC 22 crystal microphone

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

Acos MIC 22 crystal microphone, 1951

Science Museum Group
© The Board of Trustees of the Science Museum

Acos MIC 22 crystal microphone, 1951. Crystal (or piezo) microphones had a high signal output, but rather indifferent quality. They were often used with reporter's tape recorders. Speech only, public address, recording, amateur radio. The price for this microphone in 1951 was £6-6-0.

Details

Category:
Television
Collection:
BBC Heritage Collection
Object Number:
2012-5118/484
Measurements:
overall: 224 mm 68 mm, .3 kg
type:
crystal microphone