<HEAD> <META content="MSHTML 6.00.2900.3086" name=GENERATOR></HEAD> <BODY> <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 0px; BORDER-LEFT: #0000ff 2px solid">-----Original Message----- From: "Paul Chick (Earthlink)" <TUNE4@EARTHLINK.NET> Sent: Jun 8, 2007 3:06 PM To: 'Mark Wisner' <MWISNER@EARTHLINK.NET>, 'Pianotech List' <PIANOTECH@PTG.ORG> Subject: RE: High overtone <ZZZHTML xmlns="http://www.w3.org/TR/REC-html40" xmlns:st1="urn:schemas-microsoft-com:office:smarttags" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:v="urn:schemas-microsoft-com:vml"><ZZZHEAD><ZZZMETA content="text/html; charset=us-ascii" http-equiv="Content-Type"><ZZZMETA content="Microsoft Word 11 (filtered medium)" name="Generator"><?xml:namespace prefix = o /><o:SmartTagType name="PersonName" namespaceuri="urn:schemas-microsoft-com:office:smarttags"></o:SmartTagType><ZZZ!--[IF !mso]> <STYLE> st1\:*{behavior:url(#default#ieooui) } </STYLE> <ZZZ![ENDIF]--> <STYLE> <ZZZ!-- <ZZZ!-- /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0in; margin-bottom:.0001pt; font-size:12.0pt; font-family:"Times New Roman";} a:ZZZlink, span.MsoHyperlink {color:blue; text-decoration:underline;} /* Font Definitions */ @font-face {font-family:Tahoma; panose-1:2 11 6 4 3 5 4 4 2 4;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0in; margin-bottom:.0001pt; font-size:12.0pt; font-family:"Times New Roman";} a:ZZZlink, span.MsoHyperlink {color:blue; text-decoration:underline;} a:visited, span.MsoHyperlinkFollowed {color:blue; text-decoration:underline;} span.EmailStyle17 {mso-style-type:personal; font-family:Arial; color:windowtext;} span.EmailStyle18 {mso-style-type:personal-reply; font-family:Arial; color:navy;} @page Section1 {size:8.5in 11.0in; margin:1.0in 1.25in 1.0in 1.25in;} div.Section1 {page:Section1;} --> </STYLE> <ZZZ!--[IF 9] mso gte><xml> <o:shapedefaults v:ext="edit" spidmax="1026" /> </xml><ZZZ![ENDIF]--><ZZZ!--[IF 9] mso gte><xml> <o:shapelayout v:ext="edit"> <o:idmap v:ext="edit" data="1" /> </o:shapelayout></xml><ZZZ![ENDIF]--></ZZZHEAD><ZZZBODY lang=EN-US vlink="blue" link="blue" bgcolor="white"> <DIV class=Section1> Yes. Both strings produce the overtone with the same intensity.  Yes.  It stops immediately when the damper comes to rest on the strings.  After looking at this piano and its quirky high pitched overtone, I’ve listened carefully to about 5 other grands of this size from new to 40+ years old.  The high overtone can be heard in all of them, but it is subtle and cannot be made to “sing out” as it does on the new Kawai RX-2<o:p></o:p> <o:p> </o:p> Paul C<o:p></o:p> <o:p> </o:p> <DIV> Subject: Re: High overtone<o:p></o:p></DIV> <o:p> </o:p> <DIV> Do both strings of the unison produce the overtone, and does the overtone stop when the key is released?<o:p></o:p></DIV> <DIV>  <o:p></o:p></DIV> <DIV> Mark Wisner  -----Original Message----- From: "Paul Chick (Earthlink)" <TUNE4@EARTHLINK.NET>Sent: Jun 7, 2007 5:18 PM To: "<?xml:namespace prefix = st1 /><st1:PersonName w:st="on">Pianotech@Ptg.Org</st1:PersonName>" <PIANOTECH@PTG.ORG>Subject: High overtone <o:p></o:p></DIV><ZZZHTML xmlns="http://www.w3.org/TR/REC-html40" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:o="urn:schemas-microsoft-com:office:office"><ZZZHEAD><ZZZMETA content="text/html; charset=us-ascii" http-equiv="Content-Type"><ZZZMETA content="Microsoft Word 11 (filtered medium)" name="Generator"></ZZZHEAD><ZZZBODY lang=EN-US vlink="blue" link="blue"> <BLOCKQUOTE style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; MARGIN-TOP: 5pt; PADDING-LEFT: 4pt; MARGIN-BOTTOM: 5pt; PADDING-BOTTOM: 0in; MARGIN-LEFT: 0in; BORDER-LEFT: blue 1.5pt solid; PADDING-TOP: 0in; BORDER-BOTTOM: medium none"> List Members<?xml:namespace prefix = u1 /><u1:p></u1:p><o:p></o:p> A customer has a new Kawai RX-2 with a very high and loud overtone on F2.  It rings over the F2 whenever the note is sustained as a single note, note of a chord, when the sustain pedal is pressed. Recent tuning had no affect.  I squared the hammer to the bicord, checked bridge contact, hitch pins, centers, etc.  The duplex is very lively.  I couldn’t find the offending partial in the duplex, but I’m not ruling that out.  Has anyone come across this in the RX-2?  Don Manino…are you out there?  <u1:p></u1:p><o:p></o:p> <u1:p> </u1:p><o:p></o:p> Paul C<u1:p></u1:p><o:p></o:p></BLOCKQUOTE></DIV></ZZZBODY></ZZZHTML></ZZZBODY></ZZZHTML></BLOCKQUOTE> Yes. Both strings produce the overtone with the same intensity.  Yes.  It stops immediately when the damper comes to rest on the strings.  After looking at this piano and its quirky high pitched overtone, I’ve listened carefully to about 5 other grands of this size from new to 40+ years old.  The high overtone can be heard in all of them, but it is subtle and cannot be made to “sing out” as it does on the new Kawai RX-2<o:p></o:p> <o:p> </o:p> Paul C<o:p></o:p> <o:p> </o:p> <DIV> Subject: Re: High overtone<o:p></o:p></DIV> <o:p> </o:p> <DIV> Do both strings of the unison produce the overtone, and does the overtone stop when the key is released?<o:p></o:p></DIV> <DIV>  <o:p></o:p></DIV> <DIV> Mark Wisner  -----Original Message----- From: "Paul Chick (Earthlink)" <TUNE4@EARTHLINK.NET>Sent: Jun 7, 2007 5:18 PM To: "<st1:PersonName w:st="on">Pianotech@Ptg.Org</st1:PersonName>" <PIANOTECH@PTG.ORG>Subject: High overtone <o:p></o:p></DIV><ZZZHTML xmlns="http://www.w3.org/TR/REC-html40" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:o="urn:schemas-microsoft-com:office:office"><ZZZHEAD><ZZZMETA content="text/html; charset=us-ascii" http-equiv="Content-Type"><ZZZMETA content="Microsoft Word 11 (filtered medium)" name="Generator"></ZZZHEAD><ZZZBODY lang=EN-US vlink="blue" link="blue"> <BLOCKQUOTE style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; MARGIN-TOP: 5pt; PADDING-LEFT: 4pt; MARGIN-BOTTOM: 5pt; PADDING-BOTTOM: 0in; MARGIN-LEFT: 0in; BORDER-LEFT: blue 1.5pt solid; PADDING-TOP: 0in; BORDER-BOTTOM: medium none"> List Members<u1:p></u1:p><o:p></o:p> A customer has a new Kawai RX-2 with a very high and loud overtone on F2.  It rings over the F2 whenever the note is sustained as a single note, note of a chord, when the sustain pedal is pressed. Recent tuning had no affect.  I squared the hammer to the bicord, checked bridge contact, hitch pins, centers, etc.  The duplex is very lively.  I couldn’t find the offending partial in the duplex, but I’m not ruling that out.  Has anyone come across this in the RX-2?  Don Manino…are you out there?  <u1:p></u1:p><o:p></o:p> <u1:p> </u1:p><o:p></o:p> Paul C<u1:p></u1:p><o:p></o:p></BLOCKQUOTE> Subject: Re: High overtone<o:p></o:p> Do both strings of the unison produce the overtone, and does the overtone stop when the key is released?<o:p></o:p>  <o:p></o:p> Mark Wisner  -----Original Message----- From: "Paul Chick (Earthlink)" <TUNE4@EARTHLINK.NET>Sent: Jun 7, 2007 5:18 PM To: "<st1:PersonName w:st="on">Pianotech@Ptg.Org</st1:PersonName>" <PIANOTECH@PTG.ORG>Subject: High overtone <o:p></o:p></BODY>