Bach 1B vs Curry 7 P
The Bach 1B has a wider cup diameter, the Bach 1B features a deeper cup, the Curry 7 P has a larger throat opening.
Cup Diameter
The Bach 1B has a cup diameter of 17.00 mm / 0.6693 in compared to 16.56 mm / 0.6520 in on the Curry 7 P — a difference of 0.44 mm / 0.0173 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Bach 1B has a deep cup while the Curry 7 P has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Throat Diameter
The Curry 7 P has a wider throat (3.70 mm / 0.1455 in vs 3.66 mm / 0.1441 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.