Bach 15 vs Denis Wick SM6
The Denis Wick SM6 has a wider cup diameter, the Bach 15 features a deeper cup, the Denis Wick SM6 has a larger throat opening.
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
Bach 15
• Baritone / Euphonium
Backbore—
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
vs
Mouthpiece B
Denis Wick SM6
• Baritone / Euphonium
Backboremedium
Best suited for
High-volume projection — open throat for power
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.