Bach 22 vs Schilke SH-IIF
The Schilke SH-IIF has a wider cup diameter, the Bach 22 features a deeper cup, the Bach 22 has a larger throat opening.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Bach 22
• Tuba
Cup diameter31.60 mm
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Schilke SH-IIF
• Tuba
Cup diameter32.76 mm
Best suited for
High-volume projection — open throat for power
Cup Diameter
The Schilke SH-IIF has a cup diameter of 32.76 mm compared to 31.60 mm on the Bach 22 — a difference of +1.16 mm. A wider cup generally produces a fuller, darker tone but requires more air support.
Which is better?
Neither mouthpiece clearly dominates the other — the right choice depends on your embouchure, playing style, and the sound you're after. Try both if possible.