I never followed up on this... Wired my first one up and it works great. Very quiet, nice progressive control.
I mounted the piezo in silicone seal; seems less microphonic that way. I have a couple of boxes with the piezo mounted directly to the wood; very sensitive to scrapes, knocks and so forth.
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I mounted the piezo in silicone seal; seems less microphonic that way. I have a couple of boxes with the piezo mounted directly to the wood; very sensitive to scrapes, knocks and so forth.