Inadvertently posted this in the wrong category, sorry if it's considered a double post, my bad.
So I did my first CBG with a 20mm (3/4") piezo. I see that C.B. Gitty has piezo in both the 20mm and 27mm (1") size. While in a local electronics store today I found a 50mm (2") piezo! It's a monster! What difference does size make with these things? I expect it to be more sensitive, so I guess I'll encase it in some wood before mounting inside the box.
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