29-EDD

Dot-Guide for 29-EDD instruments

29-EDD Fretboard is based on the formula (Scale_Length/(2^(x/29))). This EDD have a pretty accurate with the 3/2 interval, being the 2nd EDD with that interval more stretched after of 12-EDD, by the side of Pythagorean family, comforms with the common 2L3s dot-guide:

29-EDD Dot-guide

The dots are in the places 7· 12· 17· 22· 29: 36· 41· 46· 51· 58: 65· denoting its 7;5 relation, 7 5 5 5 7.

Step	Purdal size	Cent size
01	341,4	41.38
02	682,8	82.76
03	1024,1	124.14
04	1365,5	165.52
05	1706,9	206.9
06	2048,3	248.28
07·	2389,7	289.66
08	2731	331.03
09	3072,4	372.41
10	3413,8	413.79
11	3755,2	455.17
12·	4096,6	496.55
13	4437,9	537.93
14	4779,3	579.31
15	5120,7	620.69
16	5462,1	662.07
17·	5803,4	703.45
18	6144,8	744.83
19	6486,2	786.21
20	6827,6	827.59
21	7169	868.97
22·	7510,3	910.34
23	7851,7	951.72
24	8193,1	993.1
25	8534,5	1034.48
26	8875,9	1075.86
27	9217,2	1117.24
28	9558,6	1158.62
29\0:	9900\0	1200\0

A variant of the same dot-guide looks like this:

29-EDD "El Duplé" Dot-Guide

The dots are in the places 5· 6· 11· 12· 17· 18· 23· 24· 29: 34· 35· 40· 41· 46· 47· 52· 53· 58: 63· 64· denoting a scale of 5L4s 5;1 relation, 5 1 5 1 5 1 5 1 5.

Step	Purdal size	Cent size
01	341,4	41.38
02	682,8	82.76
03	1024,1	124.14
04	1365,5	165.52
05·	1706,9	206.9
06·	2048,3	248.28
07	2389,7	289.66
08	2731	331.03
09	3072,4	372.41
10	3413,8	413.79
11·	3755,2	455.17
12·	4096,6	496.55
13	4437,9	537.93
14	4779,3	579.31
15	5120,7	620.69
16	5462,1	662.07
17·	5803,4	703.45
18·	6144,8	744.83
19	6486,2	786.21
20	6827,6	827.59
21	7169	868.97
22	7510,3	910.34
23·	7851,7	951.72
24·	8193,1	993.1
25	8534,5	1034.48
26	8875,9	1075.86
27	9217,2	1117.24
28	9558,6	1158.62
29\0:	9900\0	1200\0