Which has a bigger cup — Bach 3E or Monette Cornet D4S S2?

The Bach 3E has a cup diameter of 16.30 mm / 0.6417 in compared to 16.20 mm / 0.6378 in on the Monette Cornet D4S S2 — 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 3E and Monette Cornet D4S S2?

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

Bach 3E vs Monette Cornet D4S S2

Name: Monette Cornet D4S S2
Brand: Monette

The Bach 3E 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 3E

• Cornet

Material—

Mouthpiece B

Monette Cornet D4S S2

• Cornet

Material—

Best suited for

🎺Lead / commercial — shallow cup for brightness and range

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.