Aural Pure 5ths Temperament Part III

Glenn rockymtn@sprynet.com
Sun, 25 May 1997 16:26:15 -0600



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> From: Jim <pianotoo@IMAP2.ASU.EDU>
> To: pianotech@byu.edu
> Subject: Aural Pure 5ths Temperament Part III
> Date: Saturday, May 24, 1997 11:21 PM
>
>
> The original experiments were done on my Steinway L which had
> FAC stretch numbers of 7.0, 8.5, 8.6.  By adding 1.0 cents to
> the A4 stretch number, the center octave was stretched enough
> to make the 5ths come out pure in almost every case. Now this
> was at the expense of making the 4ths faster as well as the single
> octaves. The smooth curve ability of the SAT kept the 3rds and
> 6ths well in line, but the 10ths were a little faster, but the
> progression was smooth for all intervals.
>
> Jim Coleman, Sr.

So is this all you have to do to tune pure fifths with the SAT II?  Add 1.0
cents to the A4 FAC tuning and away I go?  If there is more to it, please
explain how to do it.

Glenn.




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