Bach 11 vs Denis Wick 5AL
The Denis Wick 5AL has a wider cup diameter, the Bach 11 features a deeper cup, the Denis Wick 5AL has a larger throat opening.
Cup Diameter
The Denis Wick 5AL has a cup diameter of 25.73 mm / 1.0130 in compared to 24.70 mm / 0.9724 in on the Bach 11 — a difference of 1.03 mm / 0.0406 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Bach 11 has a deep cup while the Denis Wick 5AL has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Throat Diameter
The Denis Wick 5AL has a wider throat (7.30 mm / 0.2874 in vs 5.85 mm / 0.2303 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.