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The 45 equal divisions of the [[4/1|fourth harmonic]] is a tuning system equvalent to 22.5edo, representing every second step of [[45edo]]. | The 45 equal divisions of the [[4/1|fourth harmonic]] is a tuning system equvalent to 22.5edo, representing every second step of [[45edo]]. | ||
Revision as of 20:45, 5 October 2022
| ← 43ed4 | 45ed4 | 47ed4 → |
The 45 equal divisions of the fourth harmonic is a tuning system equvalent to 22.5edo, representing every second step of 45edo.
Its step size is very close to the Alpharabian quarter tone 33/32. In addition, it tempers out the tritrizo comma in the 4.7/6 subgroup, and along with it the quartisma in the 33/32.7/6 subgroup.