← 13ed7/4 14ed7/4 15ed7/4 →
Prime factorization 2 × 7
Step size 69.2019 ¢ 
Octave 17\14ed7/4 (1176.43 ¢)
Twelfth 27\14ed7/4 (1868.45 ¢)
(semiconvergent)
Consistency limit 3
Distinct consistency limit 3

14 equal divisions of 7/4 (abbreviated 14ed7/4) is a nonoctave tuning system that divides the interval of 7/4 into 14 equal parts of about 69.2 ¢ each. Each step represents a frequency ratio of (7/4)1/14, or the 14th root of 7/4.

Intervals

Steps Cents Approximate ratios Note names (3\52)
0 0 1/1 C
1 69.2 22/21, 23/22 ^C#
2 138.4 14/13, 23/21 Db
3 207.6 9/8, 19/17 ^D
4 276.8 13/11 vvEb
5 346 17/14, 21/17 vE
6 415.2 14/11 E#
7 484.4 4/3, 17/13 vF
8 553.6 F#
9 622.8 vGb
10 692 3/2 G
11 761.2 11/7, 17/11, 23/15 ^G#
12 830.4 21/13 Ab
13 899.6 5/3, 22/13 ^A
14 968.8 19/11, 23/13 vvBb

Harmonics

Approximation of harmonics in 14ed7/4
Harmonic 2 3 4 5 6 7 8 9 10 11 12
Error Absolute (¢) -23.6 -33.5 +22.1 -18.2 +12.1 +22.1 -1.5 +2.2 +27.4 +0.8 -11.4
Relative (%) -34.1 -48.4 +31.9 -26.4 +17.5 +31.9 -2.2 +3.2 +39.6 +1.1 -16.5
Steps
(reduced)
17
(3)
27
(13)
35
(7)
40
(12)
45
(3)
49
(7)
52
(10)
55
(13)
58
(2)
60
(4)
62
(6)