It's amazing how scary a buzz can be. Mine was a Yamaha C7 in a church - just like yours, intermittent buzzing. And HORRIBLE buzzing at that - through the whole treble section. Sounded like the bridge was not attached or something. It was a little wooden ball about 1/2" in diameter with a hole part way through it - maybe went on to the end of a stick for something. Really took a lot of fishing. In the end it was my small Spurloc soundboard cleaning tool that found it - wedged under the plate in the hi treble end. Terry Farrell Piano Tuning & Service Tampa, Florida mfarrel2@tampabay.rr.com ----- Original Message ----- From: "Diane Hofstetter" <dianepianotuner@hotmail.com> To: <pianotech@ptg.org> Sent: Friday, January 05, 2001 10:00 PM Subject: Re: heart stopper > the > >large allen wrench used to tighten the leg bolts. > > > >Apparently the movers had left it there when they set up the piano. While > >the > >soundboard had moisture in it, it held the allen wrench tight between the > >rib > >and the beam. But we've had so much cold weather here the last month, the > >soundboard dried out enough to allow it to vibrate against the rib. > > > > Wim, > > I had an almost identical problem over about 8 months last year on a Baldwin > SD-10 at a conference center. Only the loud buzz was intermittent. I did > everything I could think of (all the screws everywhere are nice and tight > now!) and it would seem to go away, only to return at a later date and drive > the pianists crazy. Then it would "magically" go away again. > > It happened immediately after trying some new procedures on it with a > visiting tech and Murray kept insisting "It's his fault! We never had that > problem before." > > Finally, the night before a two piano concert, the noise was back and _bad_. > I was desperate, I had already tried everything I could think of. So I > started trying them all again. Lo and behold! A small, round thingee > wedged between the plate and the soundboard in the high treble where it > could barely be seen with a flashlight and mirror. When it was humid, it > was tight, when the board dried out, it buzzed. Even after I found it, it > took a long time to get it out. It was the knob from a microphone. Now > it's my trophy :-) > > Diane > _________________________________________________________________ > Get your FREE download of MSN Explorer at http://explorer.msn.com >
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