9L 7s

↖ 8L 6s	↑ 9L 6s	10L 6s ↗
← 8L 7s	9L 7s	10L 7s →
↙ 8L 8s	↓ 9L 8s	10L 8s ↘

Scale structure
Step pattern	LLsLsLsLLsLsLsLs sLsLsLsLLsLsLsLL
Equave	2/1 (1200.0 ¢)
Period	2/1 (1200.0 ¢)
Generator size
Bright	7\16 to 4\9 (525.0 ¢ to 533.3 ¢)
Dark	5\9 to 9\16 (666.7 ¢ to 675.0 ¢)
TAMNAMS information
Related to	7L 2s (armotonic)
With tunings	1:1 to 2:1 (soft-of-basic)
Related MOS scales
Parent	7L 2s
Sister	7L 9s
Daughters	16L 9s, 9L 16s
Neutralized	2L 14s
2-Flought	25L 7s, 9L 23s
Equal tunings
Equalized (L:s = 1:1)	7\16 (525.0 ¢)
Supersoft (L:s = 4:3)	25\57 (526.3 ¢)
Soft (L:s = 3:2)	18\41 (526.8 ¢)
Semisoft (L:s = 5:3)	29\66 (527.3 ¢)
Basic (L:s = 2:1)	11\25 (528.0 ¢)
Semihard (L:s = 5:2)	26\59 (528.8 ¢)
Hard (L:s = 3:1)	15\34 (529.4 ¢)
Superhard (L:s = 4:1)	19\43 (530.2 ¢)
Collapsed (L:s = 1:0)	4\9 (533.3 ¢)
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9L 7s is a 2/1-equivalent (octave-equivalent) moment of symmetry scale containing 9 large steps and 7 small steps, repeating every octave. 9L 7s is a child scale of 7L 2s, expanding it by 7 tones. Generators that produce this scale range from 525 ¢ to 533.3 ¢, or from 666.7 ¢ to 675 ¢.

Scale properties

This article uses TAMNAMS conventions for the names of this scale's intervals and scale degrees. The use of 1-indexed ordinal names is reserved for interval regions.

Template:MOS data is deprecated. Details: Please use the following templates individually: MOS intervals, MOS genchain, and MOS mode degrees

Scale tree

Scale tree and tuning spectrum of 9L 7s

Generator(edo)						Cents		Step ratio		Comments
						Bright	Dark	L:s	Hardness
7\16						525.000	675.000	1:1	1.000	Equalized 9L 7s
					39\89	525.843	674.157	6:5	1.200
				32\73		526.027	673.973	5:4	1.250
					57\130	526.154	673.846	9:7	1.286	Armodue is around here
			25\57			526.316	673.684	4:3	1.333	Supersoft 9L 7s
					68\155	526.452	673.548	11:8	1.375
				43\98		526.531	673.469	7:5	1.400	Trismegistus is around here
					61\139	526.619	673.381	10:7	1.429
		18\41				526.829	673.171	3:2	1.500	Soft 9L 7s
					65\148	527.027	672.973	11:7	1.571
				47\107		527.103	672.897	8:5	1.600
					76\173	527.168	672.832	13:8	1.625
			29\66			527.273	672.727	5:3	1.667	Semisoft 9L 7s
					69\157	527.389	672.611	12:7	1.714
				40\91		527.473	672.527	7:4	1.750
					51\116	527.586	672.414	9:5	1.800
	11\25					528.000	672.000	2:1	2.000	Basic 9L 7s Scales with tunings softer than this are proper
					48\109	528.440	671.560	9:4	2.250
				37\84		528.571	671.429	7:3	2.333
					63\143	528.671	671.329	12:5	2.400
			26\59			528.814	671.186	5:2	2.500	Semihard 9L 7s
					67\152	528.947	671.053	13:5	2.600
				41\93		529.032	670.968	8:3	2.667
					56\127	529.134	670.866	11:4	2.750
		15\34				529.412	670.588	3:1	3.000	Hard 9L 7s
					49\111	529.730	670.270	10:3	3.333	Mabila (5-limit) is around here
				34\77		529.870	670.130	7:2	3.500
					53\120	530.000	670.000	11:3	3.667	Amavil is around here
			19\43			530.233	669.767	4:1	4.000	Superhard 9L 7s
					42\95	530.526	669.474	9:2	4.500
				23\52		530.769	669.231	5:1	5.000
					27\61	531.148	668.852	6:1	6.000
4\9						533.333	666.667	1:0	→ ∞	Collapsed 9L 7s

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