heart stopper

[Farrell]

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
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