25/11: Difference between revisions

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{{infobox interval}}
{{infobox interval}}
'''25/11''' - the '''undecimal major ninth''' - is an important interval in the no-twos 11-limit. It is approximated in prominent no-twos temperaments such as the [[zeta]] EDTs [[39edt]], [[71edt]] and [[131edt]]. Thus it also appears in the triple Bohlen-Pierce scale, which is near-identical to 39edt.
'''25/11''', the '''undecimal major ninth''', is an important interval in the no-twos 11-limit. It is approximated in prominent no-twos temperaments such as the [[zeta]] EDTs [[39edt]], [[71edt]] and [[131edt]]. Thus it also appears in the triple Bohlen-Pierce scale, which is near-identical to 39edt.


== See also ==
== See also ==
* [[25/22]]: its octave-reduced form
* [[25/22]] its octave-reduced form

Latest revision as of 02:38, 21 April 2025

Interval information
Ratio 25/11
Factorization 52 × 11-1
Monzo [0 0 2 0 -1
Size in cents 1421.309¢
Name(s) missing ? 
FJS name [math]\displaystyle{ \text{A9}^{5,5}_{11} }[/math]
Tenney norm (log2 nd) 8.10329
Weil norm (log2 max(n, d)) 9.28771
Wilson norm (sopfr(nd)) 21
Open this interval in xen-calc

25/11, the undecimal major ninth, is an important interval in the no-twos 11-limit. It is approximated in prominent no-twos temperaments such as the zeta EDTs 39edt, 71edt and 131edt. Thus it also appears in the triple Bohlen-Pierce scale, which is near-identical to 39edt.

See also

  • 25/22 – its octave-reduced form