Bach 24W vs Conn Imp. Precision 4
the Conn Imp. Precision 4 features a deeper cup.
How deep the cup is, from shallow (brighter, easier high register) to deep (darker, fuller sound).
Mouthpiece A
Bach 24W
• Tuba
Cup depthMedium
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Conn Imp. Precision 4
• Tuba
GeneralCup depthDeep
Best suited for
Small Eb bass
Full rich tone
Cup Depth
The Conn Imp. Precision 4 has a deep cup while the Bach 24W has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
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.