7ed5/3: Difference between revisions

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{{Infobox ET}}
{{Infobox ET}}
'''7ed5/3''' is the [[Ed5/3|equal division of the just major sixth]] into seven parts of 126.337 [[cent]]s each, corresponding to 9.4984[[edo]] (very nearly [[19ed4]]). It is very closely related to the [[Marvel temperaments #Negri|negri temperament]].
'''7ed5/3''' is the [[Ed5/3|equal division of the just major sixth]] into seven parts of 126.337 [[cent]]s each, corresponding to 9.4984[[edo]] (very nearly [[19ed4]] or [[15edt]]). It is very closely related to the [[Marvel temperaments #Negri|negri temperament]].


== Intervals ==
{| class="wikitable"
{| class="wikitable"
|+
|+
!
!
!ed7\10
! ed7\10
![[19ed4]]~ed5/3
! [[19ed4]]
!ed5/3
|-
|-
|1
| 1
|120
| 120
|126.316
| 126.316
126.337
| 126.337
|-
|-
|2
| 2
|240
| 240
|252.632
| 252.632
252.674
| 252.674
|-
|-
|3
| 3
|360
| 360
|378.947
| 378.947
379.01
| 379.01
|-
|-
|4
| 4
|480
| 480
|503.263
| 503.263
505.348
| 505.348
|-
|-
|5
| 5
|600
| 600
|631.579
| 631.579
631.685
| 631.685
|-
|-
|6
| 6
|720
| 720
|757.895
| 757.895
758.022
| 758.022
|-
|-
|7
| 7
|840
| 840
|884.2105
| 884.2105
884.359
| 884.359
|}
|}
== Harmonics ==
{{Harmonics in equal|7|5|3}}
{{Harmonics in equal|7|5|3|collapsed=1|start=12}}
== See also ==
* [[Alpha, beta, and gamma family of equal divisions]]


[[Category:Nonoctave]]
[[Category:Nonoctave]]

Latest revision as of 06:52, 22 February 2026

← 6ed5/3 7ed5/3 8ed5/3 →
Prime factorization 7 (prime)
Step size 126.337 ¢ 
Octave 9\7ed5/3 (1137.03 ¢)
Twelfth 15\7ed5/3 (1895.05 ¢)
(convergent)
Consistency limit 3
Distinct consistency limit 3

7ed5/3 is the equal division of the just major sixth into seven parts of 126.337 cents each, corresponding to 9.4984edo (very nearly 19ed4 or 15edt). It is very closely related to the negri temperament.

Intervals

ed7\10 19ed4 ed5/3
1 120 126.316 126.337
2 240 252.632 252.674
3 360 378.947 379.01
4 480 503.263 505.348
5 600 631.579 631.685
6 720 757.895 758.022
7 840 884.2105 884.359

Harmonics

Approximation of harmonics in 7ed5/3
Harmonic 2 3 4 5 6 7 8 9 10 11 12
Error Absolute (¢) -63.0 -6.9 +0.4 -6.9 +56.5 +42.3 -62.6 -13.8 +56.5 +17.8 -6.5
Relative (%) -49.8 -5.5 +0.3 -5.5 +44.7 +33.5 -49.5 -10.9 +44.7 +14.1 -5.1
Steps
(reduced)
9
(2)
15
(1)
19
(5)
22
(1)
25
(4)
27
(6)
28
(0)
30
(2)
32
(4)
33
(5)
34
(6)
Approximation of harmonics in 7ed5/3
Harmonic 13 14 15 16 17 18 19 20 21 22 23
Error Absolute (¢) -18.7 -20.7 -13.8 +0.8 +22.2 +49.6 -44.0 -6.5 +35.4 -45.2 +4.2
Relative (%) -14.8 -16.4 -10.9 +0.6 +17.6 +39.2 -34.9 -5.1 +28.0 -35.8 +3.3
Steps
(reduced)
35
(0)
36
(1)
37
(2)
38
(3)
39
(4)
40
(5)
40
(5)
41
(6)
42
(0)
42
(0)
43
(1)

See also