How does cup depth compare between Bach 1½C and Monette Cornet C2LD S1?

The Bach 1½C has a medium cup while the Monette Cornet C2LD S1 has a very shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Bach 1½C vs Monette Cornet C2LD S1

Name: Monette Cornet C2LD S1
Brand: Monette

the Bach 1½C features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material

The internal diameter of the cup, measured at the widest point inside the rim.

Mouthpiece A

Bach 1½C

• Cornet

Cup diameter17.00 mm / 0.6693 in

Mouthpiece B

Monette Cornet C2LD S1

• Cornet

Cup diameter17.00 mm / 0.6693 in

Cup Diameter

Both mouthpieces have virtually identical cup diameters at 17.00 mm / 0.6693 in.

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.