185edt

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← 184edt 185edt 186edt →
Prime factorization 5 × 37
Step size 10.2808¢ 
Octave 117\185edt (1202.86¢)
Consistency limit 2
Distinct consistency limit 2

185 equal divisions of the tritave, perfect twelfth, or 3rd harmonic (abbreviated 185edt or 185ed3), is a nonoctave tuning system that divides the interval of 3/1 into 185 equal parts of about 10.3 ¢ each. Each step represents a frequency ratio of 31/185, or the 185th root of 3.

Harmonics

Approximation of harmonics in 185edt
Harmonic 2 3 4 5 6 7 8 9 10 11 12
Error Absolute (¢) +2.86 +0.00 -4.56 -0.21 +2.86 +3.29 -1.71 +0.00 +2.65 +2.14 -4.56
Relative (%) +27.8 +0.0 -44.4 -2.0 +27.8 +32.0 -16.6 +0.0 +25.8 +20.8 -44.4
Steps
(reduced)
117
(117)
185
(0)
233
(48)
271
(86)
302
(117)
328
(143)
350
(165)
370
(0)
388
(18)
404
(34)
418
(48)
Approximation of harmonics in 185edt
Harmonic 13 14 15 16 17 18 19 20 21 22 23
Error Absolute (¢) +0.79 -4.13 -0.21 +1.15 -1.00 +2.86 +1.78 -4.77 +3.29 +5.00 +0.01
Relative (%) +7.7 -40.2 -2.0 +11.2 -9.7 +27.8 +17.3 -46.4 +32.0 +48.6 +0.1
Steps
(reduced)
432
(62)
444
(74)
456
(86)
467
(97)
477
(107)
487
(117)
496
(126)
504
(134)
513
(143)
521
(151)
528
(158)