Basic data of assembly dimensions for cello accessories
Name and Model: 4/4 3/4 1/2 1/4 1/8
Effective chord length 690 637 602 533 465
Fingerboard projection height 81 76 70 65 63
String pillow string distance 23 21 20 19 19
Qin Ma string spacing 46 43 41 39 36
Bottom width of Qinma 92 86 80 75 69
Bottom thickness of Qinma 11 11 10 10 10
Top thickness of qin ma 22 20 19 18 17
Chord axis exposed 22 20 19 18 17
Sound column diameter 11 10 9 9 8
String to fingerboard height 1 string 5 4.5 4 3.7 3.5
String to fingerboard height 4 strings 7 6.5 6 5.7 5.5
