---------------------- multipart/alternative attachment Bob, Knowing a few more of the particulars about this piano may help diagnose the problem, such as: Manufacturer Model/Size Age Original strings or restrung Good luck, Tom >Dear List, > >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. > >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 Journal article that >mentions that maybe the agraffe itself is loose. > >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!) > >Thanks for any insights. > >Bob Callaghan -- Tom Seay Piano Tech Office School of Music The University of Texas at Austin (512) 232-2072 mailto:t.seay@mail.utexas.edu ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/caut.php/attachments/47/e6/2a/43/attachment.htm ---------------------- multipart/alternative attachment--
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