<!doctype html public "-//W3C//DTD W3 HTML//EN"> <html><head><style type="text/css"></style><title>Re: [CAUT] Agraffe noise</title></head><body> <div>Bob,</div> <div><br></div> <div>Knowing a few more of the particulars about this piano may help diagnose the problem, such as:</div> <div><br></div> <ul> <li>Manufacturer <li>Model/Size <li>Age <li>Original strings or restrung</ul> <div><br></div> <div>Good luck,</div> <div><br></div> <div>Tom</div> <div><br></div> <blockquote type="cite" cite>Dear List,<br> </blockquote> <blockquote type="cite" cite>I just started at the local college.  There is one grand piano there where many plain wire strings and a few bass have a very loud hiss or sizzle.  If is was a bass string you'd think the copper wrap was loose, but twisting the string didn't help.  It is the worst case of this I've ever seen.<br> </blockquote> <blockquote type="cite" cite>The piano has signs of being worked on.  Beside pieces of felt stuck here and there trying to get rid of the zinging,  there are Pin-Tite stains on the plate and rock hard, overly lacquered hammers.  On other pianos I've had good luck tugging upwards on the string, or cleaning out the hole in the agraffe.  But that hasn't helped in this case.  If I push down firmly on the string on the tuning pin side of the agraffe it stops.  There is felt there so it isn't a vibrating string.  In my research I found a<i> Journal</i> article that mentions that maybe the agraffe itself is loose.<br> </blockquote> <blockquote type="cite" cite>I wanted to run this by you all before I began testing this theory, or perhaps someone knows exactly what the problem actually is.  (And because I have the piano faculty looking over my shoulder I  want to be right the first time!)<br> </blockquote> <blockquote type="cite" cite>Thanks for any insights.<br> </blockquote> <blockquote type="cite" cite>Bob Callaghan</blockquote> <div><br></div> <div><br></div> <x-sigsep><pre>-- </pre></x-sigsep> <div>Tom Seay<br> Piano Tech Office<br> School of Music<br> The University of Texas at Austin<br> (512) 232-2072<br> mailto:t.seay@mail.utexas.edu<br> </div> </body> </html>