<!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 6.00.2800.1400" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY> <DIV><FONT face=Arial size=2>Vladan wrote:</FONT></DIV> <DIV><BR><FONT face=Arial size=2>> When the pulse from the string = hits the bridge and<BR>> therefore the soundboard, it travels in the = board<BR>> until it gets to a place on the board that no longer<BR>> can move = because it's attached to the rim or something<BR>> hard.  There, the = pulse reflects and part of it<BR>> travels back towards the bridge.  = If you do it right,<BR>> that returning wave reinforces a later pulse that = is<BR>> just entering the board at the bridge.  Obviously,<BR>> that = distance and the time required for the round trip<BR>> is a function of the = frequency, so the fish has to<BR>> progressively move away from the bridge as the<BR>> frequency gets lower.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>What do you base this on? Does anyone = know the origin of this kind of thinking?</DIV> <DIV><BR></DIV></FONT> <DIV><FONT face=Arial size=2>Not even Steinway marketing would agree = with this:</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2><EM>"... the equally erroneous theory = that sound "vibrations" in some way travel transversely across the soundboard. But, = as has been shown here, the movement of the board is that of the movement of = the strings, up and down in the case of a grand, backward and forward in the = case of a piano of vertical construction."</EM></FONT></DIV> <DIV><EM><FONT face=Arial size=2></FONT></EM> </DIV> <DIV><FONT face=Arial size=2>Hold onto your hats: I agree with Steinway!</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Terry = Farrell</FONT></DIV></BODY></HTML>