As this is the 100th anniversary of radio broadcasting as we know it, it’s a good time to reflect on the development of microphone technology which was spurred on by this new medium. Refinements of carbon and condenser microphones started off the 1920s and the decade concluded with electromagnetic dynamics providing us with both the moving coil and ribbon velocity microphones. We will look at all of these microphones and their continued improvements into the mid 20th century.
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