11edt

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11edt means the division of 3, the tritave, into 11 equal parts of 175.905 cents each, corresponding to 6.940 edo. It can therefore be seen as a very stretched version of 7edo, with octaves sharpened by ten and a third cents. The octave stretching makes the fifth in better tune, and of course the twelfth is the pure 3/1 tritave.

From a no-two point of view, it tempers out 49/45 and 15625/15309 in the 7-limit and 35/33 and 77/75 in the 11-limit.

Tuning in scala format is as follows:

! E:\cakewalk\scales\11_of_tritave.scl

!

11 in tritave

!

172.90500

345.81000

518.71500

691.62000

864.52500

1037.43000

1210.33500

1383.24000

1556.14500

1729.05000

3/1

Mozart's sonata #11 in A Major K331 in 11 EDT (using a 11 => 12 key mapping so octaves become tritaves)

Frozen Time Occupies Wall Street by Chris Vaisvil =>information about the piece

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