30ed11/5

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← 29ed11/530ed11/531ed11/5 →
Prime factorization 2 × 3 × 5
Step size 45.5001¢ 
Octave 26\30ed11/5 (1183¢) (→13\15ed11/5)
Twelfth 42\30ed11/5 (1911.01¢) (→7\5ed11/5)
Consistency limit 2
Distinct consistency limit 2

30 equal divisions of 11/5 (abbreviated 30ed11/5) is a nonoctave tuning system that divides the interval of 11/5 into 30 equal parts of about 45.5 ¢ each. Each step represents a frequency ratio of (11/5)1/30, or the 30th root of 11/5.

Intervals

Steps Cents Approximate Ratios
0 0 1/1
1 45.5
2 91 18/17, 19/18
3 136.5 25/23
4 182.001 21/19
5 227.501 25/22
6 273.001 7/6
7 318.501 6/5
8 364.001 21/17, 26/21
9 409.501 14/11, 19/15
10 455.001 17/13
11 500.502
12 546.002 15/11, 26/19
13 591.502 7/5
14 637.002 13/9
15 682.502
16 728.002 26/17
17 773.502 11/7
18 819.003
19 864.503 23/14
20 910.003
21 955.503 19/11, 26/15
22 1001.003 25/14
23 1046.503 11/6
24 1092.003 17/9
25 1137.504
26 1183.004
27 1228.504
28 1274.004 23/11, 25/12, 27/13
29 1319.504 15/7
30 1365.004 11/5

Harmonics

Approximation of harmonics in 30ed11/5
Harmonic 2 3 4 5 6 7 8 9 10 11 12
Error Absolute (¢) -17.0 +9.1 +11.5 -10.8 -7.9 -1.8 -5.5 +18.1 +17.7 -10.8 +20.6
Relative (%) -37.4 +19.9 +25.3 -23.7 -17.5 -4.0 -12.1 +39.8 +38.9 -23.7 +45.2
Steps
(reduced)
26
(26)
42
(12)
53
(23)
61
(1)
68
(8)
74
(14)
79
(19)
84
(24)
88
(28)
91
(1)
95
(5)
Approximation of harmonics in 30ed11/5
Harmonic 13 14 15 16 17 18 19 20 21 22 23
Error Absolute (¢) +18.5 -18.8 -1.8 -22.5 +9.1 +1.1 -1.5 +0.7 +7.2 +17.7 -13.8
Relative (%) +40.6 -41.3 -3.9 -49.4 +19.9 +2.4 -3.3 +1.5 +15.9 +38.9 -30.2
Steps
(reduced)
98
(8)
100
(10)
103
(13)
105
(15)
108
(18)
110
(20)
112
(22)
114
(24)
116
(26)
118
(28)
119
(29)