dampers

[David Ilvedson]

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Almost always this is in the bass section.   You have muted that=
 section and still have a problem?   If it is indeed the bass=
 dampers, I'd find the Bill Spurlock articles about upright=
 damper replacement.  It's really quite an experience to make=
 your own dampers.   The problem usually is 1 inch dampers=
 instead of the longer type found on Yamahas and such.  If muting=
 everything still brings a ring you probably have a problem in=
 the back section of the strings from bridge to hitchpin.   Take=
 temp strips and mute those sections to see if that helps.

David Ilvedson


----- Original message ---------------------------------------->
From: Ed Carwithen <edwithen@oregontrail.net>
To: <pianotech@ptg.org>
Received: Sun, 17 Oct 2004 22:57:55 -0700
Subject: dampers

I am having trouble eliminating the after ring in the strings of=
 a Kimball upright.  I noticed a ring before I started work on=
 it.  The bass strings have now been removed and sent off for=
 duplication so it can=92t be a problem with bass overtones.  I=
 have done regulation on the middle and treble, but there is a=
 significant ringing in the strings.  The non speaking sections=
 of the strings do have ribbon felt on them.  The dampers are in=
 good shape and seat well on the strings.  When the strings are=
 depressed the dampers do follow.  The pedal is not pressing the=
 dampers off the strings.  I have damped off all of the strings=
 except one to try to isolate one note at a time, but there is=
 still ring.  I don=92t know what to try next.  Any suggestions?
 
Ed Carwithen
John Day, OR
 


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