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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Matthew,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> It seems to me that someone tried cleaning something and left a residue behind. I wonder if replacing the felt and cleaning the affected area of the string with brake cleaner would help. I’ve never tried brake cleaner on wound strings so I don’t know what the effect might be. Any know?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Greg Newell<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Greg's Piano Forté<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>www.gregspianoforte.com<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>216-226-3791 (office)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>216-470-8634 (mobile)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='margin-left:.5in'><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] <b>On Behalf Of </b>Matthew Todd<br><b>Sent:</b> Tuesday, March 01, 2011 12:41 PM<br><b>To:</b> pianotech@ptg.org<br><b>Subject:</b> [pianotech] Echo Issue<o:p></o:p></span></p></div><p class=MsoNormal style='margin-left:.5in'><o:p> </o:p></p><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width=624 style='width:6.5in;margin-left:.5in'><tr><td valign=top style='padding:0in 0in 0in 0in'><div><p class=MsoNormal>Hi all,<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>I have a customer with a Kawai Upright BL-51, about 25 years old. When you play in the middle of the keyboard, there is a obvious ring, or echo after you release your fingers from the keys. The after ring lasts indefinitely until the sound eventually dies off.<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>After spending some time troubleshooting where exactly the echo was coming from, I isolated the problem to the bass end. After playing the middle of the keyboard, I placed my palm on the entire unichord bass section, and the echo immediately vanished. Everything else, damper alignment, etc seemed to be in good order.<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>After removing the action, I discovered where the dampers rest on the bass strings, there is a good amount of what appears to be black "gunk" on the strings. I say "gunk" because when I touch the affected areas with my fingers, it is somewhat sticky. The gunk is also on the dampers themselves, but it looks more green when on the white damper felt.<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>So, before I run a quote to this customer, I am hoping to try and discover what caused this problem in the first place, and find the best course of action.<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'>Any help from this list I am sure will be beneficial in aiding in this diagnosis. I hope the attached pictures go through as well. Please let me know, thanks!<o:p></o:p></p></div><div><p class=MsoNormal><strong><u><span style='font-size:13.5pt;color:blue'>TODD PIANO WORKS</span></u></strong> <br><span style='color:blue'>Matthew Todd, Piano Technician <br>(979) 248-9578</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='color:blue'><a href="http://www.toddpianoworks.com/" target="_blank">http://www.toddpianoworks.com</a></span><o:p></o:p></p></div></td></tr></table><p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'><o:p> </o:p></span></p></div></body></html>