Bach 24AW vs Bach Mega Tone Tuba 24AW
Both mouthpieces share similar core dimensions — the differences are in the details.
Mouthpiece A
Bach 24AW
• Tuba
Cup diameter31.25 mm
Cup depthVery deep
Rim width—
Throat diameter9.00 mm
Backbore—
Finish—
Material—
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
vs
Mouthpiece B
Bach Mega Tone Tuba 24AW
• Tuba
Cup diameter31.25 mm
Cup depthVery deep
Rim width—
Throat diameter9.00 mm
Backbore—
Finish—
Material—
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
Cup Diameter
Both mouthpieces have virtually identical cup diameters at 31.25 mm.
Cup Depth
Both mouthpieces share a very deep cup depth, so the sound character from depth alone will be very similar.
Throat Diameter
Throat diameters are essentially identical at 9.00 mm, 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.