9ed10

Revision as of 22:18, 10 August 2025 by BudjarnLambeth (talk | contribs) (Mathematical interest)
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This page presents a topic of primarily mathematical interest.

While it is derived from sound mathematical principles, its applications in terms of utility for actual music may be limited, highly contrived, or as yet unknown.

← 8ed10 9ed10 10ed10 →
Prime factorization 32
Step size 442.924 ¢ 
Octave 3\9ed10 (1328.77 ¢) (→ 1\3ed10)
Twelfth 4\9ed10 (1771.69 ¢)
(semiconvergent)
Consistency limit 2
Distinct consistency limit 2

9ED10 is the equal division of the 10th harmonic into nine parts of 442.9237 cents each. It is related to the sensi temperament, which tempers out 91/90, 126/125, and 169/168 in the 2.3.5.7.13 subgroup, which is supported by 19edo, 27edo, 46edo, and 73edo.

degree cents value corresponding
JI intervals
comments
0 0.0000 exact 1/1
1 442.9237 9/7, 84/65, 13/10
2 885.8475 5/3
3 1328.7712 15/7, 28/13, 54/25, 13/6
4 1771.6950 (11/4), 36/13, 25/9, 39/14
5 2214.6187 140/39, 18/5, 65/18, (40/11)
6 2657.5425 60/13, 65/14, 14/3
7 3100.4662 6/1
8 3543.3900 100/13, 54/7, 70/9
9 3986.3137 exact 10/1 just major third plus three octaves