Build Better Contact Mics with a FET Buffer

I breadboarded the FET Buffer circuit that I mentioned a couple days ago, I also rigged a quick and dirty AB switch so I could do a simple demonstration of the results which you can listen too below.  Even this crude demonstration shows that there is a definite difference, the FET Buffer clearly removes the tinny quality inherent in piezo pickups.  I’ll build a more official contact mic including the buffer so I can play with it some more.

See me previous post FET Buffer Links for a schematic and other details about the circuit.

FetBufferDemo by noise_is_life