49ed4

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← 47ed4 49ed4 51ed4 →
Prime factorization 72
Step size 48.9796¢ 
Octave 25\49ed4 (1224.49¢)
Twelfth 39\49ed4 (1910.2¢)
Consistency limit 1
Distinct consistency limit 1

49 equal divisions of the 4th harmonic (abbreviated 49ed4) is a nonoctave tuning system that divides the interval of 4/1 into 49 equal parts of about 49 ¢ each. Each step represents a frequency ratio of 41/49, or the 49th root of 4.

Intervals

Steps Cents Approximate ratios
0 0 1/1
1 49
2 98
3 146.9 25/23
4 195.9 19/17
5 244.9 15/13
6 293.9 13/11
7 342.9 11/9
8 391.8
9 440.8
10 489.8
11 538.8 15/11
12 587.8 7/5
13 636.7 13/9
14 685.7
15 734.7 23/15, 29/19
16 783.7 11/7
17 832.7 21/13
18 881.6 5/3
19 930.6
20 979.6
21 1028.6
22 1077.6
23 1126.5 25/13
24 1175.5
25 1224.5
26 1273.5 23/11
27 1322.4 15/7
28 1371.4
29 1420.4 25/11
30 1469.4 7/3
31 1518.4
32 1567.3
33 1616.3
34 1665.3
35 1714.3 27/10
36 1763.3 25/9
37 1812.2
38 1861.2
39 1910.2
40 1959.2
41 2008.2
42 2057.1 23/7
43 2106.1
44 2155.1
45 2204.1 25/7
46 2253.1 11/3
47 2302
48 2351
49 2400

Harmonics

Approximation of harmonics in 49ed4
Harmonic 2 3 4 5 6 7 8 9 10 11 12
Error Absolute (¢) +24.5 +8.2 +0.0 +5.5 -16.2 +10.8 +24.5 +16.5 -19.0 +11.9 +8.2
Relative (%) +50.0 +16.8 +0.0 +11.3 -33.2 +22.0 +50.0 +33.7 -38.7 +24.4 +16.8
Steps
(reduced)
25
(25)
39
(39)
49
(0)
57
(8)
63
(14)
69
(20)
74
(25)
78
(29)
81
(32)
85
(36)
88
(39)
Approximation of harmonics in 49ed4
Harmonic 13 14 15 16 17 18 19 20 21 22 23
Error Absolute (¢) +16.6 -13.7 +13.8 +0.0 -7.0 -8.0 -3.6 +5.5 +19.0 -12.5 +8.5
Relative (%) +33.9 -28.0 +28.1 +0.0 -14.3 -16.3 -7.4 +11.3 +38.8 -25.6 +17.3
Steps
(reduced)
91
(42)
93
(44)
96
(47)
98
(0)
100
(2)
102
(4)
104
(6)
106
(8)
108
(10)
109
(11)
111
(13)