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Interval information
Ratio 2430/2401
Monzo [1 5 1 -4
Size in cents 20.78509
Name(s) nuwell comma
FJS name dd-3549,49
open this interval in xen-calc

2430/2401, the nuwell comma, 20.8 cents is a small, 7-limit comma. It is amount by which four septimal minor thirds 7/6 fall short of a major seventh 15/8. Tempering it out leads to the nuwell family of temperaments.

See also