<!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 6.00.2600.0" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT size=2>Whether you use a C fork or an A fork for your = starting note doesn't bear on what your temperament octave is necessarily.  I = think the best method is a 2 octave temperament from A2 - A4 setting the initial = bearings using a series or contiguous thirds at 4:5 ratios (the Baldassin-Sanderson-Kimbell method).  F3 - F4 is more typical and traditionally taught here.  The European style has uses A3 - A4 for = the temperament octave.  The main difference, I found, is that = the beat rates of the 3rds are a little slower from F3 - F4 and thus a = little easier to hear.  One advantage of the A3 - A4 octave is that you = don't ever get transition notes in the temperament, and the temperament octave is = more closely related to the pitch note (A4).  Using the double octave temperament will force you to naturally make the compromises necessary = on any given piano in order to make the contiguous 3rds at 4:5 work.  A = smaller piano will set up more naturally with narrower octaves and a larger = piano will accommodate more stretch.  </FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>David Love</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=greeneguy63@mindspring.com href="mailto:greeneguy63@mindspring.com">Patrick Greene</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> April 28, 2002 10:57 = AM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: C Fork does not = equal 440cps</DIV> <DIV><BR></DIV> <DIV><FONT face=Tahoma>I guess my question is:  How = difficult is it to learn to use the A temperament?  I apprenticed under a guy who = felt that the C temp was more forgiving than the A temp.  I think he = was going to teach me the A temperament, but he never got around to it and I was = too ignorant to remind him.  The upshot is that now that is all I = use.  I have yet to tune for anyone other than churches and private individuals.  </FONT></DIV> <BLOCKQUOTE style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; = BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: = 0px"> </BLOCKQUOTE></BLOCKQUOTE></BODY></HTML>