Which has a bigger cup — Bach 12C or Monette Cornet C4LVS?

The Monette Cornet C4LVS has a cup diameter of 16.20 mm / 0.6378 in compared to 15.20 mm / 0.5984 in on the Bach 12C — a difference of 1.00 mm / 0.0394 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 12C and Monette Cornet C4LVS?

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

Bach 12C vs Monette Cornet C4LVS

Name: Monette Cornet C4LVS
Brand: Monette

The Monette Cornet C4LVS 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 12C

• Cornet

Material—

Mouthpiece B

Monette Cornet C4LVS

• Cornet

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.