Which has a bigger cup — Bach 3C or Monette E4L rim?

The Bach 3C has a cup diameter of 16.30 mm / 0.6417 in compared to 16.20 mm / 0.6378 in on the Monette E4L rim — a difference of 0.10 mm / 0.0039 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 3C and Monette E4L rim?

Both mouthpieces share a medium cup depth, so the sound character from depth alone will be very similar.

Bach 3C vs Monette E4L rim

Name: Monette E4L rim
Brand: Monette

The Bach 3C has a wider cup diameter.

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 3C

• Trumpet

Material—

Best suited for

🎵All-round versatile — balanced cup for general playing

Mouthpiece B

Monette E4L rim

• Trumpet

Material—

Best suited for

🎵All-round versatile — balanced cup for general playing

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.