27208edt: Difference between revisions

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'''27208edt''' is a tuning system which divides the '''tritave''', [[3/1]], into 27208 equal parts of approximately 0.0699[[¢]] each.
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27208edt provides an '''extremely good approximation''' to the [[No-twos subgroup temperaments|no-twos]] [[7-limit]], with the 5th harmonic tuned 0.045% sharp (approximately 1/2231 of a step), and the 7th harmonic tuned 0.0073% sharp (approximately 1/13733 of a step).
27208edt provides an ''extremely good approximation'' to the [[No-twos subgroup temperaments|no-twos]] [[7-limit]], with the [[5/1|5th harmonic]] tuned 0.045% sharp (approximately 1/2231 of a step), and the [[7/1|7th harmonic]] tuned 0.0073% sharp (approximately 1/13733 of a step). Despite the very good tuning of prime harmonics 3, 5 and 7, 27208edt misses the octave, [[2/1]], by approximately a third of a step, making it incomparable with its related [[edo]]s, [[17166edo]] and [[17167edo]].
Despite the very good tuning of prime harmonics 3, 5 and 7, 27208edt misses the ditave, [[2/1]], by approximately a third of a step, making it incomparable with its related [[edo]]s, [[17166edo]] and [[17167edo]].


Nevertheless, 27208edt also has good approximations to the 13th and 23rd harmonics, making it an excellent tuning in the 3.5.7.13.23 subgroup.
Nevertheless, 27208edt also has good approximations to the 13th and 23rd harmonics, making it an excellent tuning in the 3.5.7.13.23 subgroup.


== Prime harmonics ==
=== Prime harmonics ===
{{Harmonics in equal|27208|3|1|intervals=prime}}
{{Harmonics in equal|27208|3|1|intervals=prime}}
[[Category:Edt]]