9/5: Difference between revisions
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m Removing from Category:Pages with internal sound examples using Cat-a-lot |
m Normalising usage of Infobox Interval |
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{{Infobox Interval | {{Infobox Interval | ||
| Name = just minor seventh, classic minor seventh | |||
| Name = just minor seventh, | |||
| Color name = g7, gu 7th | | Color name = g7, gu 7th | ||
| Sound = jid_9_5_pluck_adu_dr220.mp3 | | Sound = jid_9_5_pluck_adu_dr220.mp3 | ||
}} | }} | ||
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* [[Gallery of just intervals]] | * [[Gallery of just intervals]] | ||
[[Category:Seventh]] | [[Category:Seventh]] | ||
[[Category:Minor seventh]] | [[Category:Minor seventh]] | ||
[[Category:Over-5]] | [[Category:Over-5]] | ||
{{todo|expand|review interval name}} | {{todo|expand|review interval name}} | ||
Revision as of 17:11, 25 October 2022
| Interval information |
classic minor seventh
[sound info]
9/5 is a treated as a consonance in 5-limit just intonation, forming a part of such chords such as the 1-6/5-3/2-9/5 minor seventh chord, and the supermajor tetrad, 1-9/7-3/2-9/5 in the 7-limit.
Coincidentally, the ratio between a common "alternative" tuning frequency (A432) and the most common AC electrical frequency (60hz) is exactly 36/5, two octaves above 9/5. This is notably a more consonant interval than the 11/6 formed by the more common tuning frequency of A440, which may lead to a noticeable improvement in consonance when electrically powered instruments or amplifiers are interfered with by AC power.