9L 11s

↖ 8L 10s	↑ 9L 10s	10L 10s ↗
← 8L 11s	9L 11s	10L 11s →
↙ 8L 12s	↓ 9L 12s	10L 12s ↘

┌╥┬╥┬╥┬╥┬╥┬┬╥┬╥┬╥┬╥┬┬┐ │║│║│║│║│║││║│║│║│║│││ ││││││││││││││││││││││ └┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┘
Scale structure
Step pattern	LsLsLsLsLssLsLsLsLss ssLsLsLsLssLsLsLsLsL
Equave	2/1 (1200.0 ¢)
Period	2/1 (1200.0 ¢)
Generator size
Bright	11\20 to 5\9 (660.0 ¢ to 666.7 ¢)
Dark	4\9 to 9\20 (533.3 ¢ to 540.0 ¢)
TAMNAMS information
Related to	2L 7s (balzano)
With tunings	1:1 to 3:2 (soft)
Related MOS scales
Parent	9L 2s
Sister	11L 9s
Daughters	20L 9s, 9L 20s
Neutralized	18L 2s
2-Flought	29L 11s, 9L 31s
Equal tunings
Equalized (L:s = 1:1)	11\20 (660.0 ¢)
Supersoft (L:s = 4:3)	38\69 (660.9 ¢)
Soft (L:s = 3:2)	27\49 (661.2 ¢)
Semisoft (L:s = 5:3)	43\78 (661.5 ¢)
Basic (L:s = 2:1)	16\29 (662.1 ¢)
Semihard (L:s = 5:2)	37\67 (662.7 ¢)
Hard (L:s = 3:1)	21\38 (663.2 ¢)
Superhard (L:s = 4:1)	26\47 (663.8 ¢)
Collapsed (L:s = 1:0)	5\9 (666.7 ¢)

9L 11s is a 2/1-equivalent (octave-equivalent) moment of symmetry scale containing 9 large steps and 11 small steps, repeating every octave. 9L 11s is a grandchild scale of 2L 7s, expanding it by 11 tones. Generators that produce this scale range from 660 ¢ to 666.7 ¢, or from 533.3 ¢ to 540 ¢.

Modes

Modes of 9L 11s

UDP	Cyclic order	Step pattern
19|0	1	LsLsLsLsLssLsLsLsLss
18|1	12	LsLsLsLssLsLsLsLsLss
17|2	3	LsLsLsLssLsLsLsLssLs
16|3	14	LsLsLssLsLsLsLsLssLs
15|4	5	LsLsLssLsLsLsLssLsLs
14|5	16	LsLssLsLsLsLsLssLsLs
13|6	7	LsLssLsLsLsLssLsLsLs
12|7	18	LssLsLsLsLsLssLsLsLs
11|8	9	LssLsLsLsLssLsLsLsLs
10|9	20	sLsLsLsLsLssLsLsLsLs
9|10	11	sLsLsLsLssLsLsLsLsLs
8|11	2	sLsLsLsLssLsLsLsLssL
7|12	13	sLsLsLssLsLsLsLsLssL
6|13	4	sLsLsLssLsLsLsLssLsL
5|14	15	sLsLssLsLsLsLsLssLsL
4|15	6	sLsLssLsLsLsLssLsLsL
3|16	17	sLssLsLsLsLsLssLsLsL
2|17	8	sLssLsLsLsLssLsLsLsL
1|18	19	ssLsLsLsLsLssLsLsLsL
0|19	10	ssLsLsLsLssLsLsLsLsL

Scale tree

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