25/18: Difference between revisions

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'''25/18'''
{{Infobox Interval
|-1 -2 2>
| Icon =
| Ratio = 25/18
| Monzo = -1 -2 2
| Cents = 568.71743
| Names = classic augmented fourth, <br/> pental augmented fourth
| Color name = yy4, yoyo 4th
| Sound = jid_25_18_pluck_adu_dr220.mp3
}}


568.7174 cents
'''25/18''', the classic ([[5-limit]]) augmented fourth, is 325/324 (5.3 cents) flat of [[13/9]], and is the interval between [[6/5]] and [[5/3]] or [[9/5]] and [[5/2]] respectively.


[[File:jid_25_18_pluck_adu_dr220.mp3]] [[:File:jid_25_18_pluck_adu_dr220.mp3|sound sample]]
== See also ==
* [[Gallery of just intervals]]
* [[36/25]] - its [[inversion]]
 
[[Category:5-limit]]
[[Category:Interval]]
[[Category:Ratio]]
[[Category:Tritone]]


The classic ([[5-limit|5-limit]]) augmented fourth. Its inversion is [[36/25|36/25]].
[[Category:todo:expand]]
[[Category:todo:expand]]

Revision as of 19:38, 28 October 2018

Interval information
Ratio 25/18
Factorization 2-1 × 3-2 × 52
Monzo [-1 -2 2⟩
Size in cents 568.7174¢
Name(s) missing ? 
Color name yy4, yoyo 4th
FJS name [math]\displaystyle{ \text{A4}^{5,5} }[/math]
Special properties reduced
Tenney norm (log2 nd) 8.81378
Weil norm (log2 max(n, d)) 9.28771
Wilson norm (sopfr(nd)) 18

[sound info]
Open this interval in xen-calc

25/18, the classic (5-limit) augmented fourth, is 325/324 (5.3 cents) flat of 13/9, and is the interval between 6/5 and 5/3 or 9/5 and 5/2 respectively.

See also

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