Bach 6½AL (small shank) vs Denis Wick SM3.5
The Denis Wick SM3.5 has a wider cup diameter, the Denis Wick SM3.5 features a deeper cup, the Denis Wick SM3.5 has a larger throat opening.
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
Bach 6½AL (small shank)
• Baritone / Euphonium
Throat diameter6.63 mm / 0.2610 in
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
vs
Mouthpiece B
Denis Wick SM3.5
• Baritone / Euphonium
Throat diameter7.62 mm / 0.3000 in
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
Throat Diameter
The Denis Wick SM3.5 has a wider throat (7.62 mm / 0.3000 in vs 6.63 mm / 0.2610 in). A wider throat allows more air through, increasing volume and projection but reducing resistance.
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.