<HEAD> <META content="MSHTML 6.00.2900.2802" name=GENERATOR></HEAD> <BODY> <DIV> <META content="MSHTML 6.00.2900.2802" name=GENERATOR> <DIV>John-</DIV> <DIV> </DIV> <DIV>Your successful voicing is a pretty good diagnostic.</DIV> <DIV>Uneven hammer/string contact is typical in that location, and can make zings.  Press the damper pedal, lift the hammer gently by the catcher, pluck each string and listen for equal "plink."  If contact is uneven, push down the high string, or file the hammer to fit, or stick a long needle under the low hammer surface parallel to the string groove.</DIV> <DIV>If this is what was needed, it will make tuning the unison much easier.</DIV> <DIV> </DIV> <DIV>Ed S.<BR><BR><BR>-----Original Message----- <BR>From: A440 Piano Service <A440@BRESNAN.NET><BR>Sent: Feb 24, 2006 5:23 PM <BR>To: PTG List <PIANOTECH@PTG.ORG><BR>Subject: Bridge Notch Anomaly <BR><BR></DIV><ZZZHTML><ZZZHEAD><ZZZMETA content="text/html; charset=iso-8859-1" http-equiv="Content-Type"><ZZZMETA name="GENERATOR" content="MSHTML 6.00.2900.2802"> <STYLE></STYLE> </ZZZHEAD><ZZZBODY bgColor="#ffffff"> <DIV><FONT face=Arial size=2>Oh Wiser-than-I Ones, (of which there are multitudes!)</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>I heard a "zinging" in the attack of a low tenor string on a customer's piano.  She heard it, too, and didn't like it.  (Turned out a little needling on the hammer at about 1 o'clock and 11 o'clock softened that attack nicely) Upon close inspection I notice an anomaly in the way the bridge was notched. It's the right string of the lowest plain string unison.  I was wondering if I might elicit a few opinions about the looks of this.  I've attached a photo -- I hope it comes through!</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>The bridge isn't notched all the way across on that right-most pin.  On the side that the string bears there is certainly a good notch, but to the right of that it's not.  Seems like that would actually strengthen rather than weaken the pin's hold, but since it looks unusual I thought I'd ask.  Extending upward from the un-notched edge there is a visible line.  That's the border of the notching.  It is not a crack.  This is a fairly new piano, about 3 or 4 years old, a Knabe Studio Upright.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Thanks,</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>John Dorr</FONT></DIV> <DIV><FONT face=Arial size=2>Helena, MT</FONT></DIV></ZZZBODY></ZZZHTML></DIV></BODY>