I concur and I don't do a careful pitch raise...zooooooooom and I'm ready to tune. Slow, careful pitch raises make no sense! That's why your doing the pitch raise...things are going to change David I. PS I know...this from someone who doesn't even overpull...;-] ----- Original message ----------------------------------------> From: Don <pianotuna@accesscomm.ca> To: Pianotech <pianotech@ptg.org> Received: Fri, 13 Sep 2002 09:10:30 -0600 Subject: Re: Pitch Raise Speed/etc., was: Steinway vs. The Tuner >Hi Terry, >To answer your last question pitch corrections should be based on the most >recent data available. It is one very good reason to do unisons as you go >style pitch corrections. >At 08:05 AM 9/13/02 -0400, you wrote: >>I agree that one will benefit from doing a separate pitch raise pass on a >piano that is 4 cents flat (IMHO, even 2 cents). But that implies that when >you adjust each pin, you will be getting the string pitch to within a cent >of target. >>A third pitch raise topic here. I have never seen addressed the phenomenon >of a piano below pitch dropping even more in pitch while pitch raising >(hmmm....doesn't seem to make any sense). This especially applies to ETD >users when calculating overpull. Let's say you have a piano that is >uniformly 20 cents flat. Start pitch raising at A0 with your 17% and 25% >overpulls. By the time you get to F5, check the pitch of the strings above >F5 - they will likely be at least 30 cents flat, if not a bit more flat. So >the question is then do you base your overpulls on an initial >characterization of piano pitch, or on the next few strings as you go. I >always do it on the next few strings as I go. >Regards, >Don Rose, B.Mus., A.M.U.S., A.MUS., R.M.T., R.P.T. >mailto:pianotuna@accesscomm.ca >http://us.geocities.com/drpt1948/ >3004 Grant Rd. >REGINA, SK >S4S 5G7 >306-352-3620 or 1-888-29t-uner >_______________________________________________ >pianotech list info: https://www.moypiano.com/resources/#archives
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