Bach 5GB (small shank) vs Denis Wick 6BY
The Bach 5GB (small shank) has a wider cup diameter, the Bach 5GB (small shank) features a deeper cup, the Denis Wick 6BY has a larger throat opening.
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
Bach 5GB (small shank)
• Baritone / Euphonium
Throat diameter7.00 mm / 0.2756 in
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
vs
Mouthpiece B
Denis Wick 6BY
• Baritone / Euphonium
Throat diameter7.12 mm / 0.2803 in
Best suited for
High-volume projection — open throat for power
Throat Diameter
The Denis Wick 6BY has a wider throat (7.12 mm / 0.2803 in vs 7.00 mm / 0.2756 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.