<HTML xmlns="http://www.w3.org/TR/REC-html40" xmlns:o == "urn:schemas-microsoft-com:office:office" xmlns:w == "urn:schemas-microsoft-com:office:word"><HEAD> <META http-equiv=Content-Type content="text/html;= charset=us-ascii"> <META content="Microsoft Word 11 (filtered medium)"= name=Generator> <STYLE>  </STYLE> </HEAD> <BODY lang=EN-US vLink=purple link=blue> <DIV class=Section1> <SPAN= style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">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   <SPAN= style="FONT-SIZE: 10pt; FONT-FAMILY:= Arial">  <SPAN= style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">----- Original= message ----------------------------------------> From: Ed= Carwithen <<A= href="mailto:edwithen@oregontrail.net">edwithen@oregontrail.net<= /A>> To: <<A= href="mailto:pianotech@ptg.org">pianotech@ptg.org</A>> Rec= eived: Sun, 17 Oct 2004 22:57:55 -0700 Subject:= dampers <SPAN= style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> 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’t 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’t know what to try next.  Any= suggestions?<o:p></o:p> <SPAN= style="FONT-SIZE: 10pt; FONT-FAMILY:= Arial"><o:p> </o:p> <SPAN= style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Ed= Carwithen<o:p></o:p> <SPAN= style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">John Day,= OR<o:p></o:p> <SPAN= style="FONT-SIZE: 10pt; FONT-FAMILY:= Arial"><o:p> </o:p></DIV></BODY></HTML>