07-EDD

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Dot-Guide for 7-EDD instruments

7-EDD Fretboard is based on the formula (Scale_Length/(2^(x/7))). A simple 7-EDD dot-guiding, is like this:

7-EDD Fretboard.png
7-EDD dot-guide

The dots are in the places 3· 4· 7: 10· 11· & 14: marking a MOS Scale of 2L1s 3;1 Relation, 3 1 3.

Step Purdal size Cent size
1 1414,3 171.43
2 2828,6 342.86
4242,9 514.29
5657,1 685.71
5 7071,4 857.14
6 8485,7 1028.57
7\0: 9900\0 1200\0