9L 5s

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Todo: confirm
Verify temperaments that correspond with 9L 5s

↖8L 4s ↑9L 4s 10L 4s↗
←8L 5s9L 5s 10L 5s→
↙8L 6s ↓9L 6s 10L 6s↘
┌╥╥┬╥╥┬╥╥┬╥╥┬╥┬┐
│║║│║║│║║│║║│║││
││││││││││││││││
└┴┴┴┴┴┴┴┴┴┴┴┴┴┴┘
Scale structure
Step pattern LLsLLsLLsLLsLs
sLsLLsLLsLLsLL
Equave 2/1 (1200.0¢)
Period 2/1 (1200.0¢)
Generator size
Bright 3\14 to 2\9 (257.1¢ to 266.7¢)
Dark 7\9 to 11\14 (933.3¢ to 942.9¢)
TAMNAMS information
Descends from 5L 4s (semiquartal)
Required step ratio range 1:1 to 2:1 (soft-of-basic)
Related MOS scales
Parent 5L 4s
Sister 5L 9s
Daughters 14L 9s
9L 14s
Equal tunings
Equalized (L:s = 1:1) 3\14 (257.1¢)
Supersoft (L:s = 4:3) 11\51 (258.8¢)
Soft (L:s = 3:2) 8\37 (259.5¢)
Semisoft (L:s = 5:3) 13\60 (260.0¢)
Basic (L:s = 2:1) 5\23 (260.9¢)
Semihard (L:s = 5:2) 12\55 (261.8¢)
Hard (L:s = 3:1) 7\32 (262.5¢)
Superhard (L:s = 4:1) 9\41 (263.4¢)
Collapsed (L:s = 1:0) 2\9 (266.7¢)

9L 5s is a 2/1-equivalent (octave-equivalent) moment of symmetry scale containing 9 large steps and 5 small steps, repeating every octave. 9L 5s is a child scale of 5L 4s, expanding it by 5 tones. Generators that produce this scale range from 257.1¢ to 266.7¢, or from 933.3¢ to 942.9¢.

The generator can be said to approximate 7/6, but just 7/6 is larger than 2\9edo, so it cannot be used as a generator. The simplest just interval that works as a generator is 36/31. Two generators are said to create a fourth like Godzilla, but in reality it is closer to 27/20, if that is considered a consonance. 9L5s is third smallest MOS of Semiphore.

Modes

Modes of 9L 5s
UDP Rotational order Step pattern
13|0 1 LLsLLsLLsLLsLs
12|1 4 LLsLLsLLsLsLLs
11|2 7 LLsLLsLsLLsLLs
10|3 10 LLsLsLLsLLsLLs
9|4 13 LsLLsLLsLLsLLs
8|5 2 LsLLsLLsLLsLsL
7|6 5 LsLLsLLsLsLLsL
6|7 8 LsLLsLsLLsLLsL
5|8 11 LsLsLLsLLsLLsL
4|9 14 sLLsLLsLLsLLsL
3|10 3 sLLsLLsLLsLsLL
2|11 6 sLLsLLsLsLLsLL
1|12 9 sLLsLsLLsLLsLL
0|13 12 sLsLLsLLsLLsLL

Scale tree

Scale tree and tuning spectrum of 9L 5s
Generator (edo) Cents Step ratio Comments
Bright Dark L:s Hardness
3\14 257.143 942.857 1:1 1.000 Equalized 9L 5s
17\79 258.228 941.772 6:5 1.200
14\65 258.462 941.538 5:4 1.250
25\116 258.621 941.379 9:7 1.286
11\51 258.824 941.176 4:3 1.333 Supersoft 9L 5s
30\139 258.993 941.007 11:8 1.375
19\88 259.091 940.909 7:5 1.400
27\125 259.200 940.800 10:7 1.429
8\37 259.459 940.541 3:2 1.500 Soft 9L 5s
29\134 259.701 940.299 11:7 1.571
21\97 259.794 940.206 8:5 1.600
34\157 259.873 940.127 13:8 1.625
13\60 260.000 940.000 5:3 1.667 Semisoft 9L 5s
31\143 260.140 939.860 12:7 1.714
18\83 260.241 939.759 7:4 1.750
23\106 260.377 939.623 9:5 1.800
5\23 260.870 939.130 2:1 2.000 Basic 9L 5s
Scales with tunings softer than this are proper
22\101 261.386 938.614 9:4 2.250
17\78 261.538 938.462 7:3 2.333
29\133 261.654 938.346 12:5 2.400
12\55 261.818 938.182 5:2 2.500 Semihard 9L 5s
31\142 261.972 938.028 13:5 2.600
19\87 262.069 937.931 8:3 2.667
26\119 262.185 937.815 11:4 2.750
7\32 262.500 937.500 3:1 3.000 Hard 9L 5s
23\105 262.857 937.143 10:3 3.333
16\73 263.014 936.986 7:2 3.500
25\114 263.158 936.842 11:3 3.667
9\41 263.415 936.585 4:1 4.000 Superhard 9L 5s
20\91 263.736 936.264 9:2 4.500
11\50 264.000 936.000 5:1 5.000
13\59 264.407 935.593 6:1 6.000
2\9 266.667 933.333 1:0 → ∞ Collapsed 9L 5s