[CAUT] Bass string & Aliquot bar contact noise

larry messerly prescottpiano at juno.com
Sat Oct 9 16:23:23 MDT 2010


Try putting a rubber wedge between the string and aliquot.  I presume
this is a two string unison, does only one string do this.  How is the
bridge notching?  I've seen strings buzz on the side of the notch.

Larry Messerly, RPT
Bringing Harmony to Homes

On Sat, 09 Oct 2010 13:08:55 -0700 Robert Callaghan
<robert.callaghan at harmonicity.com> writes:
> I'm looking at a grand piano where an upper bass string has a very 
> pronounced "zing" on a hard blow. It sounds just like when a damper 
> wire 
> touches the string. But even with the damper removed I hear it.  I 
> suspect it is the bass string touching the treble aliquot bar below 
> it, 
> meaning perhaps the aliquot bar is in the wrong spot, too far up the 
> 
> slope of the plate. Before I do anything like move the aliquot bar, 
> I 
> want to run this by everyone. Do you agree this could be it?
> 
> Thanks.
> Robert
> 
> 
> 
> 
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