Which has a bigger cup — Bach 3C or Monette BP3L S1?

Both mouthpieces have virtually identical cup diameters at 16.30 mm / 0.6417 in.

How does cup depth compare between Bach 3C and Monette BP3L S1?

The Bach 3C has a medium cup while the Monette BP3L S1 has a very shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Bach 3C vs Monette BP3L S1

Name: Monette BP3L S1
Brand: Monette

the Bach 3C features a deeper cup.

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

Surface plating or treatment (e.g. silver plate, gold trim). Affects feel, durability, and appearance.

Mouthpiece A

Bach 3C

• Trumpet

Finish—

Best suited for

🎵All-round versatile — balanced cup for general playing

Mouthpiece B

Monette BP3L S1

• Trumpet

Finish—

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.