72:90:100:125

Revision as of 04:27, 8 September 2024 by Bcmills (talk | contribs)

72:90:100:125 is a possible interpretation of the meantone French sixth chord. Its rotation, 100:125:144:180, is a dominant seventh flat five chord.

Chord information
Harmonics 72:90:100:125
Subharmonics 1/(125:100:90:72)
Intervals from root 1/1–5/4–25/18–125/72
Cents from root 0¢–386¢–569¢–955¢
Step intervals 5/4, 10/9, 5/4
Step cents 386¢, 182¢, 386¢
Prime limit 5
Genus 32⋅53 (1125)
Intervallic odd limit 125
Otonal odd limit 125
Utonal odd limit 125
Consistent edos (d ≥ 2) 6edo*, 19edo**, 25edo*, 34edo*, …

In meantone, this chord is tempered to be equivalent to a tempered 128:160:180:225.

In septimal meantone, it is tempered to be equivalent to 20:25:28:35.