Which has a bigger cup — Bach 1½C or Monette B1-2L S1?

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

How does cup depth compare between Bach 1½C and Monette B1-2L S1?

The Bach 1½C has a medium cup while the Monette B1-2L 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 B1-2L S1

Name: Monette B1-2L S1
Brand: Monette

the Bach 1½C features a deeper cup.

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

The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.

Mouthpiece A

Bach 1½C

• Trumpet

Rim width—

Mouthpiece B

Monette B1-2L S1

• Trumpet

Rim width—

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.