On Thu, 28 Mar 2002 19:11:57 Ron Nossaman wrote: >> But on pianos that do not have >>a cut down bridge there is still a deterioration, or at least a change, of >tone >>adjacent to the plate struts or braces. It seems to be worse on some pianos >>than on others. What do you think is the reason for this? I'd be interested >>in hearing some conjectures (or authoritative explanations if someone out >>there has some). >> >>Phil F > >It could be going from agraffes to tuned duplexes. It could be that the >overall assembly is too flexible and the lack of string load at the strut >lowers the impedance there too much. String load does raise impedance. I don't understand what you mean by string load. >Maybe too few ribs, and/or not stiff enough. Is it the bridge that's >causing the problem? How could you tell one way or another? > > >Ron N > I can't. Hence the question. Maybe it's the bridge (it usually has to take a bit of a jog at the plate strut) or maybe it's the plate (additional stiffness from the strut, additional mass from the strut, other?). Phil F See Dave Matthews Band live or win a signed guitar http://r.lycos.com/r/bmgfly_mail_dmb/http://win.ipromotions.com/lycos_020201/splash.asp
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