smoother10th but better octaves

[David Renaud]

 Interesting thought.....I shall attempt some input
here, and be very interested what others have to say.

  For the bass, increasingly wider octaves produce
better double octaves and whole octave sounds,
but does result in faster 10ths. If the octaves
stretch chosen is wide or narrow this does not
interfer with the 10th progression from one interval
to the next to be smooth.....just that the whole
section is faster or slower respectively, but still
smooth within itself. Therefore I presume he 
means he wishes slower 10ths overall.

 A slightly less wide octave choice at the temperament
& low tenor does slow 10ths down, but usually
results in octaves I flavor less in the low bass. My
own
preference is to prioritize 5ths through the low
tenor, 6:3 at the top of the bass, increasing
gradually
towards A0 as required on a given piano to satisfy me
that the low bass notes fit to support midrange 
voicing where supported harmony is so common.
This does leave faster 10ths..............

  So what to do.
  Some thoughts that occur......

  Perhaps your tunings are go good that he can 
hear the 10th better then ever before through the 
your clean unison's.

  Perhaps he is spending lots of time studying
a work that has much use of open 10ths, and he is more
sensitive to there beating then ever before.

  Perhaps you love to teach your clients what to
listen for, and he never really paid attention 
to 10ths before, but you showed him. I have seen 
Masters piano graduates that always heard 3rds as 
dissonant, but not as clearly beating intervals.
Showing them 7 per second on F-A3 was a revelation, 
and suddenly they began to think about it in a new
way.

  The bigger and better the piano, the more stretch
is not required to line things up. I recently did 
an imperial Bose for the fist time. 9.5 feet. 
What a beautiful scale, I often use tunelab, but
chose aural for this one. The spread from A3-A5
was about .4cents when tunelab was asked to generate a
curve. In the lowest bass I ended up liking a hair
more
then 8:4 octave. But 8:4 on such a pure scale was not
so much to be annoying to the 10ths.

  As strings get older I think the harmonics get
sharper. This would mean increasing compromise between
the 10th and he octaves with age. Changing string
could actually help the harmonic structure of the bass
enough to appreciated by someone so tuned in to what
is going on.

  Interested to hear other thoughts on this.....
 
                                 Cheers
                                 Dave Renaud
                                 RPT  
  











 







 





  


 








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