<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; = charset=iso-8859-1"> <META content="MSHTML 6.00.2900.2523" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#d8d0c8> <DIV><FONT size=2>Doesn't humidity typically cause an increase in = crown, as the wood cells swell across the grain (like grains of rice getting fatter, = not longer)?  If so, this would cause the center of the soundboard to = deflect more than the edges, affecting strings on the parts of the bridges near = the center more than the high treble  -- or what?</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>--Cy Shuster--</FONT></DIV> <DIV><FONT size=2>Bluefield, WV</FONT></DIV> <BLOCKQUOTE style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; = BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style="FONT: 10pt arial">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: = black"><B>From:</B> <A title=Alpha88x@aol.com = href="mailto:Alpha88x@aol.com">Alpha88x@aol.com</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A = title=pianotech@ptg.org href="mailto:pianotech@ptg.org">pianotech@ptg.org</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Sunday, October 31, 2004 = 10:08 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Over sharp = treble</DIV> <DIV><BR></DIV><FONT face=arial,helvetica><FONT lang=0 = face=Arial size=2 FAMILY="SANSSERIF" PTSIZE="10">In a message dated 10/31/2004 = 2:42:48 PM Eastern Standard Time, <A href="mailto:joegarrett@earthlink.net">joegarrett@earthlink.net</A> writes:<BR><BR> <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px = solid; MARGIN-RIGHT: 0px" TYPE="CITE">Humidity changes, GREATLY affect the upper treble. = Sometimes, more than you think it should. Why? Don't have a clue! It just does</BLOCKQUOTE><BR><BR>Greetings, <BR><BR>          Yes = sir,  and it causes sharp trebles! I sort of figured this out on my own. It = makes sense doesnt it? ...You have a soundboard there which I liken to a = <I>big piece of bread.</I> A piece of bread will go stale and dry out around = it's edges first. = <BR><BR>          &nbsp= ; I figured out that around the sound board's edges is where it will first = start to absorb humidity so the extremes are likeley to sharpen there first. = Same thing when the heat goes on; it dries out near the edges first. That's = how I picture it. Makes sense to me.<BR><BR>Julia, <BR>Reading, PA  </FONT></FONT></BLOCKQUOTE></BODY></HTML>