<HTML><HEAD> <META content="MSHTML 6.00.2800.1106" name=GENERATOR></HEAD> <BODY> <DIV>The best way to figure out which sizes of wires were used is to measure them with a micrometer.  It that isn'/t possible,  email the Yamaha Piano Service Department at <A href="mailto:ddurben@yamaha.com">ddurben@yamaha.com</A>.  They will be able to help you.</DIV> <DIV>Are you SURE the treble wire sizes aren't marked on the back side of the bridge?  If the sizes aren't stamped in black on the back side of the bridge, yours would be the first Yamaha grand I've ever heard of that wasn't marked.  </DIV> <DIV> </DIV> <DIV>-----Original Message-----<BR>From: aMeRy cHaY <AQUATRED_CHAY@YAHOO.COM><BR>Sent: Sep 17, 2003 12:37 PM<BR>To: pianotech@ptg.org<BR>Subject: Yamaha C7 Scale - treble wire sizes help :(<BR><BR></DIV> <DIV> <DIV> <P>Dear list,</P> <P>I've been having trouble finding the correct wire sizes for my Yamaha C7, even after much enquiry with many technicians here in Singapore and in Australia. Everyone who replied told me my piano has a scaling pattern similar to the C7B with 20 bass, but no one has been able to confirm a the wire sizes for my C7 (older than the C7B series) with a 23 note bass, they say they've never come across this piano before. s/n 1823582 I have called Yamaha in Japan but no one there seems to want to help...and yes, the bridge doesn't have any kind of string size marking.</P> <P>The lowest treble wire unison - G#-24, 12 bichords, 11 monochords.this piano has 3 pedals (i've seen newer versions with 2 pedals only....strange?)</P> <P>Anyone familiar with this one?</P> <P>Thanks!</P> <P>Amery<BR>Singapore</P></DIV></DIV> <P> <DIV> <HR SIZE=1> </DIV> <DIV>Do you Yahoo!?<BR><A href="http://us.rd.yahoo.com/evt=10469/*http://sitebuilder.yahoo.com">Yahoo! SiteBuilder</A> - Free, easy-to-use web site design software</DIV></BODY></HTML><PRE> Mark Wisner National Service Manager Pearl River Piano Group America 800 435 5086 ext 111</PRE>