<!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 6.00.2719.2200" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>The reason I think it's the plate is = that when I have the piano open and put my ear right next to the plate and play a = note, my ear is hearing it coming directly from the plate itself.  In = addition, it has a kind of metalic timber to it.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>I'm going to try and press a piece of = felt above the pressure bar, like was mentioned in the previous post, and see if = that helps.</FONT></DIV> <BLOCKQUOTE dir=ltr 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=mathstar@salemnet.com = href="mailto:mathstar@salemnet.com">Alan R. Barnard</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> Saturday, September 07, = 2002 5:23 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Sound coming from = the plate</DIV> <DIV><BR></DIV> <DIV><FONT face=Arial size=2>Had the same "sound" in a Wurlitzer = upright ... buzzed mostly when I played A4. Turned out to be the lock for the lid = ... only made the noise when it was opened for tuning ... taped it while = tuning. Point: Are you sure it's the plate? I read about a tuner that went nuts = looking for an out-of-tune resonant buzz in a piano ... finally found it was a = loose piece of glass in a leaded glass window near the piano!</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Alan Barnard</FONT></DIV> <DIV><FONT face=Arial size=2>Salem, MO</FONT></DIV> <BLOCKQUOTE dir=ltr 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=ssclabr8@flash.net = href="mailto:ssclabr8@flash.net">SUSAN P SWEARINGEN</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> Saturday, September 07, = 2002 3:57 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Sound coming from = the plate</DIV> <DIV><BR></DIV> <DIV><FONT face=Arial size=2>Hi Everyone. </FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Has anyone ever encountered this = before?  I have a client with an M1F from Yamaha.  It's only a few years = old but already, Yamaha has discontinued the line.  It's a 43 " upright = and it has one of those crazy lids that lift up like a grand = piano.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Anyway, I noticed that after I = strike a key anywhere in the treble, I get a metalic sound that is not in tune = with the note struck.  It was obvious to me that the sound I was hearing = was the iron plate vibrating for a short time after the note was = struck.  However, as I mentioned, it was a terrible out-of-tune noise.  = It's not extremely obvious but it is loud enough that it drives the owner crazy.  The plate screws are all tight, as is every other screw = I could find.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>I wonder if this was why this = series was discontinued.  Anyone ever run into a similar = problem?</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Corte Swearingen</FONT></DIV></BLOCKQUOTE></BLOCKQUOTE></BODY></HTML>