[CAUT] damper return noise/una corda

Fred Sturm fssturm at unm.edu
Thu May 6 11:09:40 MDT 2010


	There has been discussion in the past on this list of the problem of  
damper return noise when playing with una corda. This problem has  
really been bugging me more and more. The issue is that the dampers  
work fine with next to no return noise except when the una corda pedal  
is used. But when the u c is used, there is considerable, often very  
audible return noise, and it happens when someone is trying to play  
very softly so is doubly annoying, essentially in areas where there  
are trichord damper felts. I have tried lots of things, the most  
promising of which is to tilt the dampers very subtly so that flats  
hit the strings slightly ahead of trichords, and this helps but  
doesn't eliminate the problem. Different damper felt doesn't seem to  
help, though I can't say I have tried everything (haven't tried Yamaha  
or Kawai, for instance).
	I am at a loss what to do to avoid this other than to change hammer  
alignment and shift parameters so that all strings are always struck  
by all hammers. I am beginning to suspect this may be a major reason  
why the Steinway basement guys decided to make that change to their  
standard procedure. While I like to have the two string tonal palette  
available, the tradeoff of that return noise seems to wipe out the  
advantage.
	Does anyone else have thoughts on how to resolve this issue?
Regards,
Fred Sturm
fssturm at unm.edu
http://www.createculture.org/profile/FredSturm



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