[sdiy] piano spectrum analyzer

[Tim Ressel]

Yo,

I have always wanted to try this: put guitar-style
pickups on a piano and turn it into a spectrum
analyzer. If a loud sound is impinged upon the strings
(say a nice big speaker) they will be excited by the
sound, and the pickups will turn that into a signal.
Just need about a zillion amp/detectors...

--TimR


	
		
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