I am looking at ways to put a K&K twin in an A5 I am building, but they only come with a 1/4in jack. That has not been a problem with the OM's I have built since I can bring it out below the tailpiece, but that will not work with a mandolin. I have been using Allen tailpieces and the button hole is too small. I could drill it out, but I'm wondering if there are better alternatives for the installation.
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