ST series comparison chart

Some of these I have measured, and others are from catalog descriptions & specifications.

  94 95 96 97 98   99 100
A     Bach 15E
Giard 6M
         
B         Giard 5M     Bach 8B
Giard 4M
C Bach 22 Bach 17 Bach 15C
Bach 12C
Schilke 45
Wick 12CS
Bach 11C   Bach 7C
Wick 10CS
Bach 6C Yamaha 48
D     Giard 6D Bach 11 Giard 5D   Conn 3
Wick 9BS
Conn CL5
Wick 7CS
E     Bach 12     Bach 7 Bach 9 Bach 6AL
Giard 4D
Schilke 50
Wick 6BS
Wick 6BL
inch .940 .950 .960 .970 .980 .985 .990 1.000
mm 23.9 24.1 24.4 24.6 24.9 25.02 25.15 25.4

Do not take diameter or depth measurements too seriously. The measurements are done on curves, and are subject to varying interpretation. A lot of other factors influence how a mouthpiece feels and plays.

Compiled by Doug Elliott, 2000-2001

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