Which has a bigger cup — Bach 1¼C or Monette BP1-4 S6?

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

How does cup depth compare between Bach 1¼C and Monette BP1-4 S6?

The Monette BP1-4 S6 has a deep cup while the Bach 1¼C has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Bach 1¼C vs Monette BP1-4 S6

Name: Monette BP1-4 S6
Brand: Monette

the Monette BP1-4 S6 features a deeper cup.

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

Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.

Mouthpiece A

Bach 1¼C

• Trumpet

Material—

Mouthpiece B

Monette BP1-4 S6

• Trumpet

Material—

Best suited for

🎻Orchestral playing — large cup for full, dark tone

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.