Conn Imp. Precision 1 vs Curry 1.5 DC
The Curry 1.5 DC has a wider cup diameter, the Conn Imp. Precision 1 features a deeper cup.
Cup Diameter
The Curry 1.5 DC has a cup diameter of 17.02 mm / 0.6700 in compared to 16.56 mm / 0.6520 in on the Conn Imp. Precision 1 — a difference of 0.46 mm / 0.0180 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Conn Imp. Precision 1 has a — cup while the Curry 1.5 DC has a very deep cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Material
The Conn Imp. Precision 1 is described as Silver-plated brass, and the Curry 1.5 DC as unspecified. Material affects mass, warmth, and how quickly the piece responds.
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.