<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <title>Re: duplex position</title> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"/> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"/> </head> <body id="role_body" style="font-size: 10pt; color: #000000; font-family: Arial" bottommargin="7" leftmargin="7" topmargin="7" rightmargin="7"><font id="role_document" face="Arial" color="#000000" size="2"> <div> <div align="left"> </div> </div></font><font style="font: 10pt ARIAL, SAN-SERIF; color: black">So half the speaking length...<br/><br/>David Ilvedson, RPT<br/>Pacifica, CA 94044<br/><br/> <div style="padding-right: 5px; padding-left: 5px; padding-bottom: 5px; border-left: #000000 3px solid; padding-top: 5px"> <hr/>Original message<br/>From: Erwinspiano@aol.com<br/>To: pianotech@ptg.org<br/>Received: 1/3/2008 2:30:47 AM<br/>Subject: Re: duplex position<br/><br/><font id="role_document" face="Arial" color="#000000" size="2"> <div> <div align="left">  Hi Frank</div> <div>  Although you are correct about this for many pianos, the Steinway B's rear duplex string length doesn't follow this. it's an octave higher</div> <div>  Dale</div> <div> </div> <div> </div> <div><font style="background-color: transparent" face="Arial" color="#000000" size="2">David, et al,<br/><br/>I cannot speak to the specific make, model, and era of your piano, but typical of pianos with this type of duplexer,<strong><em> the distance from the back bridge pin to the duplexer at note 88 is equal to the speaking length.</em></strong>    One can go a step further, and after stringing, nudge the duplexer in or out, to "tune" the duplex length to sound in unison with the speaking length at note 88.  Whether one believes that "tuning" the duplexer is effective, it was probably the design intent, if you find that the original position of the duplexer suggests this relationship between the duplex length and the speaking length.</font></div> </div> <div> </div> <div> </div></font><br/><br/><br/> <div><font style="font: 10pt ARIAL, SAN-SERIF; color: black"> <hr style="margin-top: 10px"/>See AOL's <a title="http://food.aol.com/top-rated-recipes?NCID=aoltop00030000000004" href="http://food.aol.com/top-rated-recipes?NCID=aoltop00030000000004" target="_blank">top rated recipes</a> and <a title="http://body.aol.com/fitness/winter-exercise?NCID=aoltop00030000000003" href="http://body.aol.com/fitness/winter-exercise?NCID=aoltop00030000000003" target="_blank">easy ways to stay in shape</a> for winter.</font> </div> </div></font> </body> </html>