2L 18s

↖ 1L 17s	↑ 2L 17s	3L 17s ↗
← 1L 18s	2L 18s	3L 18s →
↙ 1L 19s	↓ 2L 19s	3L 19s ↘

Scale structure
Step pattern	LsssssssssLsssssssss sssssssssLsssssssssL
Equave	2/1 (1200.0 ¢)
Period	1\2 (600.0 ¢)
Generator size
Bright	9\20 to 1\2 (540.0 ¢ to 600.0 ¢)
Dark	0\2 to 1\20 (0.0 ¢ to 60.0 ¢)
TAMNAMS information
Related to	2L 8s (jaric)
With tunings	6:1 to 1:0
Related MOS scales
Parent	2L 16s
Sister	18L 2s
Daughters	20L 2s, 2L 20s
Neutralized	4L 16s
2-Flought	22L 18s, 2L 38s
Equal tunings
Equalized (L:s = 1:1)	9\20 (540.0 ¢)
Supersoft (L:s = 4:3)	28\62 (541.9 ¢)
Soft (L:s = 3:2)	19\42 (542.9 ¢)
Semisoft (L:s = 5:3)	29\64 (543.8 ¢)
Basic (L:s = 2:1)	10\22 (545.5 ¢)
Semihard (L:s = 5:2)	21\46 (547.8 ¢)
Hard (L:s = 3:1)	11\24 (550.0 ¢)
Superhard (L:s = 4:1)	12\26 (553.8 ¢)
Collapsed (L:s = 1:0)	1\2 (600.0 ¢)
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2L 18s is a 2/1-equivalent (octave-equivalent) moment of symmetry scale containing 2 large steps and 18 small steps, with a period of 1 large step and 9 small steps that repeats every 600.0 ¢, or twice every octave. 2L 18s is related to 2L 8s, expanding it by 10 tones. Generators that produce this scale range from 540 ¢ to 600 ¢, or from 0 ¢ to 60 ¢.

Modes

Modes of 2L 18s

UDP	Cyclic order	Step pattern
18|0(2)	1	LsssssssssLsssssssss
16|2(2)	10	sLsssssssssLssssssss
14|4(2)	9	ssLsssssssssLsssssss
12|6(2)	8	sssLsssssssssLssssss
10|8(2)	7	ssssLsssssssssLsssss
8|10(2)	6	sssssLsssssssssLssss
6|12(2)	5	ssssssLsssssssssLsss
4|14(2)	4	sssssssLsssssssssLss
2|16(2)	3	ssssssssLsssssssssLs
0|18(2)	2	sssssssssLsssssssssL

Scale tree

Template: Scale tree is deprecated. Please use Template: MOS tuning spectrum instead. Details: Use of a single Comments parameter has become unmaintainable. Existing scale trees should be migrated to the new template, where comments are entered using a step ratio p/q as a parameter: {{MOS tuning spectrum | 3/2 = Example comment | 4/3 = Another example comment }} The parameters tuning and depth have been replaced with Scale Signature and Depth, respectively.

Scale tree and tuning spectrum of 2L 18s

Generator(edo)						Cents		Step ratio		Comments
						Bright	Dark	L:s	Hardness
9\20						540.000	60.000	1:1	1.000	Equalized 2L 18s
					46\102	541.176	58.824	6:5	1.200
				37\82		541.463	58.537	5:4	1.250
					65\144	541.667	58.333	9:7	1.286
			28\62			541.935	58.065	4:3	1.333	Supersoft 2L 18s
					75\166	542.169	57.831	11:8	1.375
				47\104		542.308	57.692	7:5	1.400
					66\146	542.466	57.534	10:7	1.429
		19\42				542.857	57.143	3:2	1.500	Soft 2L 18s
					67\148	543.243	56.757	11:7	1.571
				48\106		543.396	56.604	8:5	1.600
					77\170	543.529	56.471	13:8	1.625
			29\64			543.750	56.250	5:3	1.667	Semisoft 2L 18s
					68\150	544.000	56.000	12:7	1.714
				39\86		544.186	55.814	7:4	1.750
					49\108	544.444	55.556	9:5	1.800
	10\22					545.455	54.545	2:1	2.000	Basic 2L 18s Scales with tunings softer than this are proper
					41\90	546.667	53.333	9:4	2.250
				31\68		547.059	52.941	7:3	2.333
					52\114	547.368	52.632	12:5	2.400
			21\46			547.826	52.174	5:2	2.500	Semihard 2L 18s
					53\116	548.276	51.724	13:5	2.600
				32\70		548.571	51.429	8:3	2.667
					43\94	548.936	51.064	11:4	2.750
		11\24				550.000	50.000	3:1	3.000	Hard 2L 18s
					34\74	551.351	48.649	10:3	3.333
				23\50		552.000	48.000	7:2	3.500
					35\76	552.632	47.368	11:3	3.667
			12\26			553.846	46.154	4:1	4.000	Superhard 2L 18s
					25\54	555.556	44.444	9:2	4.500
				13\28		557.143	42.857	5:1	5.000
					14\30	560.000	40.000	6:1	6.000
1\2						600.000	0.000	1:0	→ ∞	Collapsed 2L 18s