Bach 9D vs Curry 1.5 VC
The Curry 1.5 VC has a wider cup diameter, the Curry 1.5 VC features a deeper cup, the Curry 1.5 VC has a larger throat opening.
Cup Diameter
The Curry 1.5 VC has a cup diameter of 17.02 mm / 0.6700 in compared to 16.05 mm / 0.6319 in on the Bach 9D — a difference of 0.97 mm / 0.0381 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Curry 1.5 VC has a very deep cup while the Bach 9D has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Throat Diameter
The Curry 1.5 VC has a wider throat (4.31 mm / 0.1697 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.