<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; = charset=iso-8859-1"> <META content="MSHTML 6.00.2713.1100" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>Thank you, Bradley.</FONT></DIV> <DIV><FONT face=Arial size=2>My mentor started me with a C fork (523.3).   I have checked to see if the paino was at A440 = with an A fork when I finished the tuning, and found that A matches the A = fork.  About 15 years ago an artist made me very nervous about pitch when he = placed an electronic keyboard on top of the piano (Baldwin SF 10) I had tuned for = him, and would play the piano with one hand and the keyboard with the = other.  After the performance we met and talked briefly.  His comments about the = tuning were very encouraging and since then have seldom checked to see if  = my work is at A440 after tuning to the C fork. I've never had to go back and = retune a piano because the pitch was incorrect.  I didn't understand the = math behind the pitch.</FONT></DIV> <BLOCKQUOTE dir=ltr style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; = BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style="FONT: 10pt arial">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: = black"><B>From:</B> <A title=bsnook@pacbell.net = href="mailto:bsnook@pacbell.net">Bradley M. Snook</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A = title=pianotech@ptg.org href="mailto:pianotech@ptg.org">pianotech@ptg.org</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Saturday, April 27, 2002 = 10:33 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: C fork/A = fork</DIV> <DIV><BR></DIV> <DIV><FONT size=2>Tommy, you can use any note you want if you are = tuning EQT. It sounds like you are looking for the specific numbers. What is the = frequency of your C fork?</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>If it is 523 then your A<FONT = size=1>4</FONT> would be 439.79 (-0.83 cents)</FONT></DIV> <DIV><FONT size=2>If it is 524 then your A<FONT = size=1>4</FONT> would be 440.63 (+2.48 cents)</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>[C<FONT size=1>5</FONT> 523.3 would put you = right about on A<FONT size=1>4</FONT> 440]</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Bradley M. Snook</FONT></DIV></BLOCKQUOTE></BODY></HTML>