Bach 19 vs Denis Wick TH2
The Bach 19 has a wider cup diameter, the Denis Wick TH2 features a deeper cup, the Bach 19 has a larger throat opening.
Cup Diameter
The Bach 19 has a cup diameter of 24.00 mm compared to 19.00 mm on the Denis Wick TH2 — a difference of +5.00 mm. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Denis Wick TH2 has a very deep cup while the Bach 19 has a deep cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Throat Diameter
The Bach 19 has a wider throat (5.85 mm vs 5.20 mm). 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.