11/10

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Interval information
Ratio 11/10
Monzo |-1 0 -1 0 1>
Size in cents 165.00423
Name(s) large neutral second
Color name 1og2, logu 2nd

[sound info]

11/10, the large neutral second, is an interval favored by Ptolemy. Three of them are less than 4/3 by the wizardharry comma, 4000/3993.

Coincidentally, the interval between the most common tuning frequency (A440) and the second most common AC electrical frequency (50hz) is exactly 44/5, or three octaves above an 11/10.

See also