What makes a speaker a microphone and does this mean that a microphone works as a speaker?
In: Technology
When I was learning how to do audio engineering it was a pretty common party trick to wire up a microphone as a speaker. Singers generally do not expect microphones to sing back at them.
The principles that govern the conversion of air pressure to voltage work just fine in either direction, although the qualities which make for a good loudspeaker are not necessarily the same qualities which make a good microphone.
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