3ed49/30
← 2ed49/30 | 3ed49/30 | 4ed49/30 → |
(semiconvergent)
3 equal divisions of 49/30 (abbreviated 3ed49/30) is a nonoctave tuning system that divides the interval of 49/30 into 3 equal parts of about 283 ¢ each. Each step represents a frequency ratio of (49/30)1/3, or the 3rd root of 49/30. 6 steps of this tuning is very close to 8/3.
Harmonic | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Error | Absolute (¢) | -67 | +80 | -135 | +45 | +12 | +29 | +81 | -123 | -23 | +96 | -55 |
Relative (%) | -23.8 | +28.2 | -47.7 | +15.9 | +4.4 | +10.1 | +28.5 | -43.5 | -8.0 | +33.8 | -19.4 | |
Steps (reduced) |
4 (1) |
7 (1) |
8 (2) |
10 (1) |
11 (2) |
12 (0) |
13 (1) |
13 (1) |
14 (2) |
15 (0) |
15 (0) |