> I tuned a 30ish yr old Young Chang today that had a scattering of notes > that had > a distinct buzzing coming from at least one string in the unison. There > were about > 5 of these notes, from the bass to tenor. > > Troubleshooting showed that the buzzing seemed to be happening at the front > (termination point) bridge pin. No cracks. The pin was loose enough to > wiggle > a tad, but not loose enough to pull out with my fingers, even with the > string > removed. > > A previous tuner had "solved" the problem by putting a paper shim (about two > thicknesses of a business card) on top of the bridge, under the strings. > > This seemed to stop the buzzing. > > Any idea what is going on here, and what is the right way to fix it? > > > [kurt] I've seen this in a couple of Young Changs. In both cases, the front bearing was negative, and the pin angle was close to vertical. Plugging and reinstalling bridge pins at a greater slant angle would likely quiet the buzzing, though it wouldn't do anything for the bearing angle. A band aid, not a fix. Ron N
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