152edt

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← 151edt 152edt 153edt →
Prime factorization 23 × 19
Step size 12.5129¢ 
Octave 96\152edt (1201.23¢) (→12\19edt)
Consistency limit 5
Distinct consistency limit 5

152 equal divisions of the tritave, perfect twelfth, or 3rd harmonic (abbreviated 152edt or 152ed3), is a nonoctave tuning system that divides the interval of 3/1 into 152 equal parts of about 12.5 ¢ each. Each step represents a frequency ratio of 31/152, or the 152nd root of 3.

Harmonics

Approximation of harmonics in 152edt
Harmonic 2 3 4 5 6 7 8 9 10 11 12
Error Absolute (¢) +1.23 +0.00 +2.47 +4.05 +1.23 -2.87 +3.70 +0.00 +5.29 +2.95 +2.47
Relative (%) +9.9 +0.0 +19.7 +32.4 +9.9 -22.9 +29.6 +0.0 +42.3 +23.6 +19.7
Steps
(reduced)
96
(96)
152
(0)
192
(40)
223
(71)
248
(96)
269
(117)
288
(136)
304
(0)
319
(15)
332
(28)
344
(40)
Approximation of harmonics in 152edt
Harmonic 13 14 15 16 17 18 19 20 21 22 23
Error Absolute (¢) +1.54 -1.63 +4.05 +4.94 +0.09 +1.23 -4.78 -5.99 -2.87 +4.19 +2.31
Relative (%) +12.3 -13.0 +32.4 +39.5 +0.7 +9.9 -38.2 -47.9 -22.9 +33.5 +18.4
Steps
(reduced)
355
(51)
365
(61)
375
(71)
384
(80)
392
(88)
400
(96)
407
(103)
414
(110)
421
(117)
428
(124)
434
(130)