Which has a bigger cup — Bach 2½C or Monette Cornet B4 S3?

The Bach 2½C has a cup diameter of 16.40 mm / 0.6457 in compared to 16.20 mm / 0.6378 in on the Monette Cornet B4 S3 — 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 2½C and Monette Cornet B4 S3?

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

Bach 2½C vs Monette Cornet B4 S3

Name: Monette Cornet B4 S3
Brand: Monette

The Bach 2½C has a wider cup diameter.

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

The taper behind the throat leading to the shank. Affects projection and tone character.

Mouthpiece A

Bach 2½C

• Cornet

Backbore—

Best suited for

🎵All-round versatile — balanced cup for general playing

Mouthpiece B

Monette Cornet B4 S3

• Cornet

Backbore—

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.

Open in interactive tool + Add third mouthpiece Bach 2½C details Monette Cornet B4 S3 details Bach 2½C equivalents Monette Cornet B4 S3 equivalents

Bach 2½C vs Monette Cornet B4 S3

Playing Characteristics

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What Changes If You Switch?

Which is better?

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