Sound coming from the plate

[SUSAN P SWEARINGEN]

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I suppose I shouldn't have described it as a buzz - it's more of an =
out-of-tune metallic gong sound.
  ----- Original Message -----=20
  From: Richard Brekne=20
  To: pianotech@ptg.org=20
  Sent: Sunday, September 08, 2002 2:44 AM
  Subject: Re: Sound coming from the plate


  What do we have here... a buzz, a thunk, a boing, or a Whhapp ?... =
perhaps some other sound ? Could you be a bit more descriptive ?=20
  RicB=20

      ----- Original Message -----
      From: SUSAN P SWEARINGEN
      To: pianotech@ptg.org
      Sent: Saturday, September 07, 2002 3:57 PM
      Subject: Sound coming from the plate
       Hi Everyone. Has anyone ever encountered this before?  I have a =
client with an M1F from Yamaha.  It's only a few years old but already, =
Yamaha has discontinued the line.  It's a 43 " upright and it has one of =
those crazy lids that lift up like a grand piano. Anyway, I noticed that =
after I strike a key anywhere in the treble, I get a metalic sound that =
is not in tune with the note struck.  It was obvious to me that the =
sound I was hearing was the iron plate vibrating for a short time after =
the note was struck.  However, as I mentioned, it was a terrible =
out-of-tune noise.  It's not extremely obvious but it is loud enough =
that it drives the owner crazy.  The plate screws are all tight, as is =
every other screw I could find. I wonder if this was why this series was =
discontinued.  Anyone ever run into a similar problem? Corte Swearingen

   =20
   =20
  --=20
  Richard Brekne=20
  RPT, N.P.T.F.=20
  UiB, Bergen, Norway=20
  mailto:rbrekne@broadpark.no=20
  http://home.broadpark.no/~rbrekne/ricmain.html=20
   =20


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