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<p class=MsoNormal><font size=2 color=navy face=Arial><span =
style='font-size:
10.0pt;font-family:Arial;color:navy'>Hello Ed. Did you try putting a =
cloth
against the bass strings immediately the keys are released? These are =
the usual
problem areas of “sympathetic” =
vibrations.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span =
style='font-size:
10.0pt;font-family:Arial;color:navy'>Regards<o:p></o:p></span></font></p>=
<p class=MsoNormal><font size=2 color=navy face=Arial><span =
style='font-size:
10.0pt;font-family:Arial;color:navy'>Michael =
G.(UK)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span =
style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span lang=EN-US
style='font-size:10.0pt;font-family:Tahoma;font-weight:bold'>From:</spa=
n></font></b><font
size=2 face=Tahoma><span lang=EN-US =
style='font-size:10.0pt;font-family:Tahoma'>
Ed Carwithen [mailto:ecarwithen@yahoo.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> 26 September 2005 =
02:47<br>
<b><span style='font-weight:bold'>To:</span></b> Piano Tech List<br>
<b><span style='font-weight:bold'>Subject:</span></b> =
puzzlement</span></font><span
lang=EN-US><o:p></o:p></span></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span =
style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span =
style='font-size:
12.0pt'>The problem is a very prominent ring in all registers but =
particularly
in the low. The piano is an <st1:City w:st="on"><st1:place =
w:st="on">Everett</st1:place></st1:City>
console, #260365. Fairly recent with metal support beams instead =
of wood
in the back. After playing a note or chord the dampers cut off the =
tone, but
there is a strong after ring which can persist for seven to ten =
seconds.
The dampers are good and are sitting properly on the strings. When =
the
strings behind the dampers are pressed the dampers follow. You can =
hear
the actual tone of the struck note cut off when the damper recontacts =
the
string, but the echo tone continues. <o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span =
style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span =
style='font-size:
12.0pt'>The piano has metal casters sitting on a wood floor in front of =
a sheet
rock wall. It occurred to me that the casters were transferring =
the
vibrations to the floor directly causing the floor to act as a general
resonator. I tried rubber furniture cups under the wheels and also =
a
heavy rug with a rubber backing as well as the rubber cups on top of the
rug. There was no improvement. I tried blankets in back with =
no
improvement. <o:p></o:p></span></font></p>
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<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span =
style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span =
style='font-size:
12.0pt'>Does anyone have any suggestions of things that might improve =
this
situation by diminishing the after ring??<o:p></o:p></span></font></p>
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<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span =
style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
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<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span =
style='font-size:
12.0pt'>Ed Carwithen<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><st1:place w:st="on"><st1:City w:st="on"><font =
size=3
face="Times New Roman"><span style='font-size:12.0pt'>John =
Day</span></font></st1:City>,
<st1:State w:st="on">OR</st1:State></st1:place><o:p></o:p></p>
</div>
<p><font size=3 face="Times New Roman"><span =
style='font-size:12.0pt'>______________________________________________=
____<br>
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Tired of spam? Yahoo! Mail has the best spam protection around <br>
http://mail.yahoo.com <o:p></o:p></span></font></p>
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