Bach 1X vs Curry 2 VC
The Bach 1X has a wider cup diameter, the Curry 2 VC has a larger throat opening.
Cup Diameter
The Bach 1X has a cup diameter of 17.00 mm / 0.6693 in compared to 16.97 mm / 0.6680 in on the Curry 2 VC — a difference of 0.03 mm / 0.0013 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
Both mouthpieces share a very deep cup depth, so the sound character from depth alone will be very similar.
Throat Diameter
The Curry 2 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.