Which has a bigger cup — Bach 1½C or Monette Cornet B3 S3?

The Bach 1½C has a cup diameter of 17.00 mm / 0.6693 in compared to 16.30 mm / 0.6417 in on the Monette Cornet B3 S3 — a difference of 0.70 mm / 0.0276 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 1½C and Monette Cornet B3 S3?

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

Bach 1½C vs Monette Cornet B3 S3

Name: Monette Cornet B3 S3
Brand: Monette

The Bach 1½C 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 1½C

• Cornet

Backbore—

Mouthpiece B

Monette Cornet B3 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.