<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD><TITLE>Re: Kawai GS-70</TITLE> <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 bgColor=#d8d0c8> <DIV><FONT size=2>David,</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>I assume you're raising the keyframe in step = 4?  A quarter turn is a fairly big adjustment.  Any thoughts why this works?  I'd think a more-solid contact with the keybed would reduce = energy loss and improve sustain.</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=bigda@gte.net href="mailto:bigda@gte.net">David = Andersen</A> </DIV>Hey, Dean----<BR><BR>Try these things:<BR><BR>1) tighten all = plate bolts<BR><BR>2) lift, level, and seat the strings<BR><BR>3) raise the = pitch and FINE tune<BR><BR>4) bed the keyframe, then add an extra 1/4 turn = to each glide bolt.<BR><BR>5) make the hammers softer and springier (if = possible, replace  the hammers<BR>   w/ new Renners or = Abels, the best quality.)<BR><BR>6)precisely and completely regulate the action; = time the dampers<BR><BR>On most Asian pianos, doing the above will make a = striking, radical improvement  in the depth, projection, and sustain of a = piano.  You'll be a hero.<BR><BR>David Andersen = </BLOCKQUOTE></BODY></HTML>