12:15:18:20: Difference between revisions

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{{Infobox Chord|12:15:18:20|ColorName=yo-6 or y6}}
{{Infobox Chord|12:15:18:20|ColorName=yo-6 or y6}}
'''12:15:18:20''' is an [[added sixth chord]] in the [[5-limit]], with steps [[5/4]], [[6/5]], and [[10/9]]. See also its [[Chord homonym|homonym]] [[10:12:15:18]] (1⁄1–6⁄5–3⁄2–9⁄5), a [[minor seventh chord]].
'''12:15:18:20''' is an [[added sixth chord]] in the [[5-limit]], with steps [[5/4]], [[6/5]], and [[10/9]]. See also its [[Chord homonym|homonym]] [[10:12:15:18]] (1/1–6/5–3/2–9/5), a [[minor seventh chord]].


In the [[9-odd-limit]], the chord is an [[anomalous saturated suspension]].
In the [[9-odd-limit]], the chord is an [[anomalous saturated suspension]].


{{Stub}}
[[Category:Tetrads]]
[[Category:Tetrads]]

Revision as of 10:11, 30 December 2025

Chord information
Harmonics 12:15:18:20
Subharmonics 1/(15:12:10:9)
Intervals from root 1/15/43/25/3
Cents from root 386¢702¢884¢
Step intervals 5/4, 6/5, 10/9
Step cents 386¢, 316¢, 182¢
Color name yo-6 or y6
Prime limit 5
Genus 325 (45)
Intervallic odd limit 9
Otonal odd limit 15
Utonal odd limit 15
Consistent edos (d ≥ 2) 12edo*, 19edo**, 34edo*, 38edo*, …

12:15:18:20 is an added sixth chord in the 5-limit, with steps 5/4, 6/5, and 10/9. See also its homonym 10:12:15:18 (1/1–6/5–3/2–9/5), a minor seventh chord.

In the 9-odd-limit, the chord is an anomalous saturated suspension.

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