Which has a bigger cup — Bach 10 or Monette Cornet C4S FL?

The Monette Cornet C4S FL has a cup diameter of 16.20 mm / 0.6378 in compared to 16.00 mm / 0.6299 in on the Bach 10 — a difference of 0.20 mm / 0.0079 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 10 and Monette Cornet C4S FL?

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

Bach 10 vs Monette Cornet C4S FL

Name: Monette Cornet C4S FL
Brand: Monette

The Monette Cornet C4S FL has a wider cup diameter.

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 10

• Cornet

Finish—

Mouthpiece B

Monette Cornet C4S FL

• Cornet

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.