9L 1s
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| Pattern | LLLLLLLLLs | |
| Period | 2/1 | |
| Generator range | 1\10 (120.0¢) to 1\9 (133.3¢) | |
| Parent MOS | 1L 8s | |
| Daughter MOSes | 10L 9s, 9L 10s | |
| Sister MOS | 1L 9s | |
| TAMNAMS name | sinatonic | |
| Equal tunings | ||
| Supersoft (L:s = 4:3) | 4\39 (123.1¢) | |
| Soft (L:s = 3:2) | 3\29 (124.1¢) | |
| Semisoft (L:s = 5:3) | 5\48 (125.0¢) | |
| Basic (L:s = 2:1) | 2\19 (126.3¢) | |
| Semihard (L:s = 5:2) | 5\47 (127.7¢) | |
| Hard (L:s = 3:1) | 3\28 (128.6¢) | |
| Superhard (L:s = 4:1) | 4\37 (129.7¢) | |
9L 1s is a MOS pattern generated by a two-third tone or small "trienthird" of 1/10edo (120 cents) to 1/9 (133.333). It appears as the "diatonic" scale in temperaments such as Negri and Twothirdtonic.
Names
The TAMNAMS system calls this scale pattern sinatonic after sinaic, a proposed interval category name for 14/13-like intervals that generate the scale. Graham Breed's MOS naming calls this the "Grumpy" decatonic scale.
Scale tree
| 1/10 | 120 | ||||
| 5/49 | 122.449 | ||||
| 4/39 | 123.077 | ||||
| 7/68 | 123.529 | ||||
| 3/29 | 124.138 | ||||
| 124.525 | |||||
| 8/77 | 124.675 | ||||
| 124.766 | |||||
| 5/48 | 125 | ||||
| 125.296 | |||||
| 7/67 | 125.373 | ||||
| 2/19 | 126.316 | ||||
| 7/66 | 127.273 | ||||
| 5/47 | 127.66 | ||||
| 127.905 | |||||
| 8/75 | 128 | ||||
| 128.097 | |||||
| 3/28 | 128.571 | ||||
| 128.779 | |||||
| 7/65 | 129.231 | ||||
| 4/37 | 129.73 | ||||
| 5/46 | 130.435 | ||||
| 1/9 | 133.333 |