14-EDD

Dot-Guide for 14-EDD instruments

14-EDD Fretboard is based on the formula (Scale_Length/(2^(x/14))). Mark Allan Barnes, in his intuition, designed a Dot-Pattern that show us the middle step between two 7 EDDs :

14-EDD Mark Allan Barnes Dot-Guide

The 7-EDD dot-guide, no obstantly, can be resumed by this way :

14-EDD Dot-Guide, simplified form

The dots are in the places 3· 5· 7· 9· 11· 14: 17· 19· 21· 23· 25· 28: & 31· graphics a scale of 2L4s 3;2 Relation, 3 2 2 2 2 3.

Step	Purdal size	Cent size
01	707,1	85.71
02	1414,3	171.43
03·	2121,4	257.14
04	2828,6	342.86
05·	3535,7	428.57
06	4242,9	514.29
07·	4950	600
08	5657,1	685.71
09·	6364,3	771.43
10	7071,4	857.14
11·	7778,6	942.86
12	8485,7	1028.57
13	9192,9	1114.29
14\0:	9900\0	1200\0

Another way for a 14-EDD dot-guide, like a interesting decorative form, is like this:

14-EDD Dot-Guide, alterned form

By this way obtains a scale of 4L2s: 3 1 3 3 1 3, placing the dots in 3· 4· 7· 10· 11· 14: 17· 18· 21· 24· 25· 28: & 31·

Step	Purdal size	Cent size
01	707,1	85.71
02	1414,3	171.43
03·	2121,4	257.14
04·	2828,6	342.86
05	3535,7	428.57
06	4242,9	514.29
07·	4950	600
08	5657,1	685.71
09	6364,3	771.43
10·	7071,4	857.14
11·	7778,6	942.86
12	8485,7	1028.57
13	9192,9	1114.29
14\0:	9900\0	1200\0