Sensitive Microphone Question
I would like to build a very sensitive microphone capable of picking
up extremely low noise at about 3 feet. What approach is typically used to pick up low amplitude audio signals? Thanks. |
Sensitive Microphone Question
An old crystal mic, the sort used years ago, we're very sensitive and
produced a good voltage (high impedance) for such purposes. Try car boot sales etc. They were used with valve tape recorders. hope this helps. Rod "iwhitey" wrote in message om... I would like to build a very sensitive microphone capable of picking up extremely low noise at about 3 feet. What approach is typically used to pick up low amplitude audio signals? Thanks. |
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