1-9-11-13 hexany: Difference between revisions

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[[File:Hexany 1 9 11 13.png|thumb|Circle diagram (rotated).]] [[File:Hexany 1 9 11 13 cents.png|thumb|Circle diagram (rotated).]] A [[13-odd-limit]] [[Hexany]]. This creates a scale of 1 11/9 11/8 13/9 13/8 143/72 2/1, with steps of 11/9 9/8 104/99 9/8 11/9 144/143. With a ratio of nearly 29:1 between the largest and smallest steps, making the smallest one barely in the noticeable range, this works better as a pentatonic scale than a hexatonic one. On the plus side, combining the two neutral thirds and the comma step results in a 5th of 706.88 cents, which is still close enough to just to provide a stable rooting point.
[[File:Hexany 1 9 11 13.png|thumb|Circle diagram (rotated, [[JI]] ratios).]] [[File:Hexany 1 9 11 13 cents.png|thumb|Circle diagram (rotated, [[cents]] values).]] A [[13-odd-limit]] [[Hexany]]. This creates a scale of 1 11/9 11/8 13/9 13/8 143/72 2/1, with steps of 11/9 9/8 104/99 9/8 11/9 144/143. With a ratio of nearly 29:1 between the largest and smallest steps, making the smallest one barely in the noticeable range, this works better as a pentatonic scale than a hexatonic one. On the plus side, combining the two neutral thirds and the comma step results in a 5th of 706.88 cents, which is still close enough to just to provide a stable rooting point.


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Latest revision as of 03:08, 5 October 2025

Circle diagram (rotated, JI ratios).
Circle diagram (rotated, cents values).

A 13-odd-limit Hexany. This creates a scale of 1 11/9 11/8 13/9 13/8 143/72 2/1, with steps of 11/9 9/8 104/99 9/8 11/9 144/143. With a ratio of nearly 29:1 between the largest and smallest steps, making the smallest one barely in the noticeable range, this works better as a pentatonic scale than a hexatonic one. On the plus side, combining the two neutral thirds and the comma step results in a 5th of 706.88 cents, which is still close enough to just to provide a stable rooting point.

! 1-9-11-13_Hexany.scl
!
1 9 11 13 2-combination Hexany
6
!
347.407
551.317
636.617
840.527
1187.935
1200

Suggested keyboard mapping: C Eb F F# G# B C.