You all know that I'll always eventually chime in on JJB. I've used them in over a dozen instruments from fiddle to upright bass. My bandmates, audience and myself have no complaints. As a trained electronics tech with tools and know-how I would not build my own piezo pu when I can get a twin head JJB with jack for a little over $20. They are every bit as good as the K&K that I used until I heard about JJB on this forum. NFI.
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