Best Tuning Strategy using SAT III

Alan Barnard tune4u@earthlink.net
Mon, 12 Sep 2005 10:03:27 -0500


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One thing no one has mentioned: Someone reported results of a study that said tuning from A0 to the top, unisons as you go, produced the most stable tuning or most accurate to the ETD calculated curve, or some such. I think it was Dr. Sanderson. Can anyone confirm?

Certainly bottom to top is the way to go for pitch correction, just because it requires no particular thinking or jumping the hammer or mutes around as you go, so it's consistent with max speed. But I also think it is the most accurate.

For suspect pianos, like a Gulbransen spinet I tune for people who cannot afford better but are very faithful customers and have a fair ear, this is what I do: I tune the whole piano A0 to A88, unisons as I go, but not fussing with unisons so much above the tenor break and up through to the last dampered note. Then I come back, strip that area, tune center strings with aural checks for good octaves, good transition to the bass, etc., then fine tune those unisons.

I also do this on nice grands in churches, for example, where someone really talented plays more than just hymn accompaniment.

Takes a little time but, like I say, not everyone gets that kind of attention.
 
Alan Barnard
Salem, Missouri


----- Original Message ----- 
From: Porritt, David 
To: Pianotech
Sent: 09/12/2005 6:38:35 AM 
Subject: RE: Best Tuning Strategy using SAT III


I opt for the checks.  I start at F3 and tune to the top of the piano using a single mute.  This allows me to check 3rds as soon as I have tuned 5 notes and 4ths 5ths and other intervals soon after.  You don’t have to strip mute to do this.  After I’ve tuned to the top I go back to E3 and tune down checking as I go.  Actually by the time I get to wrapped strings I turn off TuneLab and tune aurally to A0.  
 
Tuning from A0 up requires absolute faith in your ETD of choice because there’s no way to check anything until you’re half way through.
 
dp
 
David M. Porritt
dporritt@smu.edu



From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On Behalf Of Robert Finley
Sent: Monday, September 12, 2005 6:24 AM
To: pianotech@ptg.org
Subject: Best Tuning Strategy using SAT III
 
Until now I have been performing the FAC stretch calculation/analysis using the SAT III on the piano and then began tuning chromatically from A0 upwards, tuning the single string unisons, and then the two and three string unisons as I go along, using rubber mutes. I am wondering whether it would be better to strip mute the piano, tune all the single strings, perform checks on the intervals and octaves, and then go back and tune all the unisons.  
 
What would you advise that would produce the best, most accurate and fastest result? Thank you for your help. 
 
Robert Finley
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