Most likely candidate is string ticking damper wires. Best solution is rebush the guide rail. Or you can try to move the guide rail slightly to the left (force it over when all screws are loose and tighten them as the pressure is maintained. Or can can use wire benders just above the damper flange to bend the wire ever so slightly so the damper rides the left side of the bushing but without impeding the wire movement up and down. There are lots and lots of other possibilities but that is the first one I would check. Newton Martin Dubow wrote: > > I just fininshed my first re-stringing. (A Kurtzman baby grand.) > > But there is this twanging-type sound in some of the bass section. The > soundboard is fine, but I can't figure out what it is. Any ideas how to > narrow in on it? > > Thanks. > > Martin
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