<HTML><HEAD> <META charset=UTF-8 http-equiv=Content-Type content="text/html; charse= t=utf-8"> <META content="MSHTML 6.00.2800.1170" name=GENERATOR></HEAD> <BODY style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; BACKGROUND-COLOR: #fffff= f"> <DIV> <DIV>In a message dated 1/9/04 9:49:14 AM Central Standard Time, claviers@nx= s.net writes:</DIV> <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: blue = 2px solid"><FONT face=Arial>Several things happen.  Some of the very = low-frequency components are<BR>carried right down the piano legs to the flo= or, and the floor acts as a<BR>secondary low-frequency soundboard.  It'= s all in the coupling of the piano<BR>to the floor.  Those hard brass c= asters do it.  Solid blocks will do it<BR>too.  A stage truck will= not do it.  In fact, it will isolate the<BR>vibrations of the piano's = structure from the floor.</FONT></BLOCKQUOTE></DIV> <DIV>I have often wondered if there is some carry over. The piano in our con= cert hall sits not only on a truck, but on a wood floor, which is suspended.= (There is a pit under the stage floor.) One of our professors claims the pi= ano has a crack in the soundboard, because he can hear a low grumble when th= e piano is played. I can't hear it. </DIV> <DIV> </DIV> <DIV>What about the touch feel of piano sitting on a truck, on a suspended f= loor?  Does that effect a feeling of touch? Anyone with a comment on th= at?</DIV> <DIV> </DIV> <DIV>Wim</DIV> <DIV><FONT lang=0 face=Arial size=2 FAMILY="SANSSERIF" PTSIZE="10"= >Willem Blees, RPT<BR>Piano tuner/technician<BR>School of Music<BR>Universit= y of Alabama<BR></FONT></DIV></BODY></HTML>