Thanks, Ron. Appreciate the (a) proper citation. William R. Monroe On Fri, Apr 2, 2010 at 8:55 AM, Ron Nossaman <rnossaman at cox.net> wrote: > William Monroe wrote: > >> Hi Wim, >> >> This may be the way we've been explaining it for eons, but this theory is >> certainly in question. Read Ron N.'s article in the April 2006 Journal >> which speaks directly to this. More, I believe it was Ric Brekne who wrote >> an article some time back which addressed the concept of pitch change due to >> soundboard crown increasing. When he isolated the one variable of rise and >> fall of the soundboard, it was pretty quickly apparent that the amount of >> soundboard rise required to affect a significant pitch change was absurdly >> large. The math just doesn't support the theory that soundboard rise and >> fall is responsible for major pitch changes. It is involved to be sure, but >> is likely not even the major factor. Lot's to chew on, and I apologize in >> advance if I've referenced the wrong author. >> >> William R. Monroe >> > > The first mention of soundboard rise and fall not accounting for observed > pitch changes I recall was in a Journal article by Darrell Fandrich in the > July 1996 issue. It was probably observed many years and many times prior to > that, and widely ignored. > Ron N > -- William R. Monroe, RPT A440-William R. Monroe Piano Services, Inc. 314 E. Church St. Belleville, WI 53508 608-215-3250 www.a440piano.net -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech.php/attachments/20100402/17dcb328/attachment.htm>
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