Details of the specialist guitars (dimensions in millimetres)

	Bass	Requinto	Quint	Soprano
Pitch	Octave Below Standard	Perfect 4th   Above Standard	Perfect 5th Above Standard	Octave Above Standard
Scale length	750	600	540	400
String Type/Make Used	Hannabach 841MT	Hannabach Quart 837MT	Hannabach Quint 839MT	Hannabach Octave 8351MT
Strings Scale Length Range	750 – 760	540 – 600	530 – 550	380 – 440
Body length (B)	540	470	420	330
Total Length (F)	1110	950	865	695
Upper Bout Width (C)	300	265	255	220
Lower Bout Width (D	420	350	325	290
Body Depth (G) – Upper Bout	110	95	80	75
Body Depth (H) – Lower Bout	110	105	86	82
Waist Width (C)	250	220	205	200
Fret Board Width	56 at nut to 68 at sound hole	52 at nut to 65 at sound hole	51 at nut to 65 at sound hole	52 at nut to 63 at sound hole
Sound Hole Diameter	92	85	84	75
No. of Frets	18 1/2	19 1/2	19 1/2	18 1/2
Wood Used	Mahogany/Cedar Rosewood/Ebony	B.E Maple/Spruce Rosewood/Ebony	B.E Maple/Spruce Rosewood/Ebony	B.E Maple/Spruce Rosewood/Ebony

The range of the guitars compared to a piano keyboard (Open 6th string to 12th fret on the 1st string)