26ed11/5

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← 25ed11/526ed11/527ed11/5 →
Prime factorization 2 × 13
Step size 52.5002¢ 
Octave 23\26ed11/5 (1207.5¢)
Twelfth 36\26ed11/5 (1890.01¢) (→18\13ed11/5)
Consistency limit 3
Distinct consistency limit 2

26 equal divisions of 11/5 (abbreviated 26ed11/5) is a nonoctave tuning system that divides the interval of 11/5 into 26 equal parts of about 52.5 ¢ each. Each step represents a frequency ratio of (11/5)1/26, or the 26th root of 11/5.

Intervals

Steps Cents Approximate Ratios
0 0 1/1
1 52.5
2 105 18/17, 19/18
3 157.5 11/10, 12/11, 23/21
4 210.001 17/15, 25/22
5 262.501 7/6, 22/19
6 315.001 6/5
7 367.501 16/13, 21/17
8 420.001 14/11, 19/15, 23/18
9 472.501 25/19
10 525.002 19/14, 23/17
11 577.502 7/5, 25/18
12 630.002
13 682.502
14 735.002 20/13, 23/15
15 787.502 11/7, 19/12
16 840.003 13/8
17 892.503 5/3
18 945.003 12/7, 19/11
19 997.503 25/14
20 1050.003 11/6, 24/13
21 1102.503 17/9, 19/10
22 1155.004
23 1207.504 2/1
24 1260.004 25/12
25 1312.504 15/7
26 1365.004 11/5

Harmonics

Approximation of harmonics in 26ed11/5
Harmonic 2 3 4 5 6 7 8 9 10 11 12
Error Absolute (¢) +7.5 -11.9 +15.0 -3.8 -4.4 -8.8 +22.5 -23.9 +3.7 -3.8 +3.1
Relative (%) +14.3 -22.8 +28.6 -7.2 -8.5 -16.8 +42.9 -45.5 +7.0 -7.2 +5.8
Steps
(reduced)
23
(23)
36
(10)
46
(20)
53
(1)
59
(7)
64
(12)
69
(17)
72
(20)
76
(24)
79
(1)
82
(4)
Approximation of harmonics in 26ed11/5
Harmonic 13 14 15 16 17 18 19 20 21 22 23
Error Absolute (¢) +22.0 -1.3 -15.8 -22.5 -22.4 -16.4 -5.0 +11.2 -20.8 +3.7 -20.8
Relative (%) +41.9 -2.5 -30.0 -42.8 -42.7 -31.2 -9.5 +21.3 -39.6 +7.0 -39.5
Steps
(reduced)
85
(7)
87
(9)
89
(11)
91
(13)
93
(15)
95
(17)
97
(19)
99
(21)
100
(22)
102
(24)
103
(25)