Bach 6¾C vs Denis Wick SM2M
The Denis Wick SM2M has a wider cup diameter, the Denis Wick SM2M features a deeper cup, the Denis Wick SM2M has a larger throat opening.
Cup Diameter
The Denis Wick SM2M has a cup diameter of 27.00 mm compared to 25.00 mm on the Bach 6¾C — a difference of +2.00 mm. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Denis Wick SM2M has a very deep cup while the Bach 6¾C has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Throat Diameter
The Denis Wick SM2M has a wider throat (7.40 mm vs 5.85 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.