39ed9

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← 37ed939ed941ed9 →
Prime factorization 3 × 13
Step size 97.5362¢ 
Octave 12\39ed9 (1170.43¢) (→4\13ed9)
Twelfth 20\39ed9 (1950.72¢)
Consistency limit 2
Distinct consistency limit 2

Similar to 97.5cET, 39ed9 divides the double tritave, 9/1, into 39 equal steps of approximately 97.5362c. It stands out as a 4/3.5/3.7/3.11/3.13/3.9 subgroup tuning.

Intervals

Steps Cents Approximate Ratios
0 0 1/1
1 97.536
2 195.072 19/17, 29/26
3 292.608 13/11
4 390.145
5 487.681
6 585.217 7/5
7 682.753
8 780.289 11/7
9 877.825 5/3
10 975.362
11 1072.898 13/7
12 1170.434
13 1267.97 29/14
14 1365.506 11/5
15 1463.042 7/3
16 1560.578
17 1658.115 13/5
18 1755.651
19 1853.187
20 1950.723
21 2048.259
22 2145.795
23 2243.332 11/3
24 2340.868
25 2438.404
26 2535.94 13/3
27 2633.476
28 2731.012 29/6
29 2828.548
30 2926.085
31 3023.621
32 3121.157
33 3218.693
34 3316.229
35 3413.765
36 3511.302
37 3608.838
38 3706.374 17/2
39 3803.91

Harmonics

Approximation of harmonics in 39ed9
Harmonic 2 3 4 5 6 7 8 9 10 11 12
Error Absolute (¢) -29.6 +48.8 +38.4 +42.2 +19.2 +44.9 +8.8 +0.0 +12.7 +42.7 -10.4
Relative (%) -30.3 +50.0 +39.4 +43.3 +19.7 +46.1 +9.1 +0.0 +13.0 +43.8 -10.6
Steps
(reduced)
12
(12)
20
(20)
25
(25)
29
(29)
32
(32)
35
(35)
37
(37)
39
(0)
41
(2)
43
(4)
44
(5)
Approximation of harmonics in 39ed9
Harmonic 13 14 15 16 17 18 19 20 21 22 23
Error Absolute (¢) +46.1 +15.4 -6.5 -20.7 -28.1 -29.6 -25.6 -16.9 -3.8 +13.2 +33.8
Relative (%) +47.3 +15.8 -6.7 -21.3 -28.9 -30.3 -26.3 -17.3 -3.9 +13.5 +34.6
Steps
(reduced)
46
(7)
47
(8)
48
(9)
49
(10)
50
(11)
51
(12)
52
(13)
53
(14)
54
(15)
55
(16)
56
(17)