Bach 24W vs Bach 7
The Bach 7 has a wider cup diameter.
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
Bach 24W
• Tuba
Throat diameter9.00 mm / 0.3543 in
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Bach 7
• Tuba
Throat diameter9.00 mm / 0.3543 in
Best suited for
High-volume projection — open throat for power
Throat Diameter
Throat diameters are essentially identical at 9.00 mm / 0.3543 in, so resistance feel will be comparable.
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.