Bonk

[David M. Porritt]

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Are the hammers just blocking on the strings?  What is let-off like?

dave
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On 6/14/2003 at 4:12 PM Richard Strang wrote:
This is Richard Strang, from Panama. I hope this email finds you all
in good health.   
   I have ran into several pianos that all have the same problem,
which I believe is caused by something that may require major
repairs, but I am at a loss as to what the real problem is. The
problem is this. You can play all the keys to check all the notes,
and you'll come to a section of notes that won't play. The hammer
hits the string, but the only sound it makes is, BONK! The strings do
no resonate as they should. You can pluck the strings, and they sound
okay. You can hold the damper off the strings, but when the note is
played, the only sound it makes is, BONK! It sounds almost as if the
hammer is hitting wood, instead of the string. This is only in a
section of notes, and in the case of the U1 I inspected today, it was
a little over an octave's worth of notes in the upper tenor section,
just before the treble break. All the bass and all the treble was
okay.
   Is this a problem with the bridge somehow? I have seen this
problem where only two or three notes are affected, and another piano
where the entire tenor section was dead, and I have had no solution.
I feel bad that I have studied and been in the practice for so long,
but have no solution to this problem. Can someone help me out? Thank
you.



 Richard Strang





 
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_____________________________
David M. Porritt
dporritt@mail.smu.edu
Meadows School of the Arts
Southern Methodist University
Dallas, TX 75275
_____________________________


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