08-EDD

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Dot-Guide for 8-EDD instruments

8-EDD Fretboard is based on the formula (Scale_Length/(2^(x/8))). In 8-EDD, a very simple dot-guide can be sufficient for orientation into the fretboard, like this :

8-EDO_Dot-Guide_0.png
8-EDD Dot-Guide

The dots are in the places 3· 5· 8: 11· 13· 16: denoting the scale of 2L1s 3;2 Relation, 3 2 3.

Step Purdal size Cent size
1 1237,5 150
2 2475 300
3712,5 450
4 4950 600
6187,5 750
6 7425 900
7 8662,5 1050
8\0: 9900\0 1200\0