Roll your own microphone

Tim Wescott · 2016-10-15T23:41:31+00:00

Does anyone have any links to sites where people are making their own microphones of decent quality? I'm not going to do it -- just entertain myself on a Saturday. I'm fascinated by the capacitive microphone that uses a 100V (or whatever) bias plus an itty bitty tube as a preamp. --

Oct 15, 2016 21 Replies

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John S 9 years ago

Even before that. Remember the vibrator power supply for mobile applications?

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tabbypurr 9 years ago

Synchronous rectifiers were popular in the 1920s in [lead acid] battery chargers, before copper oxide diodes took over.

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