Which has a bigger cup — Kelly 7C or Monette Cornet AP2.5 S3?

The Kelly 7C has a cup diameter of 16.51 mm / 0.6500 in compared to 16.40 mm / 0.6457 in on the Monette Cornet AP2.5 S3 — a difference of 0.11 mm / 0.0043 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Kelly 7C and Monette Cornet AP2.5 S3?

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

Kelly 7C vs Monette Cornet AP2.5 S3

Name: Monette Cornet AP2.5 S3
Brand: Monette

The Kelly 7C 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

Kelly 7C

• Cornet

General

BackboreS

Best suited for

🎵All-round versatile — balanced cup for general playing

📋Beginner / intermediate

Mouthpiece B

Monette Cornet AP2.5 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 Kelly 7C details Monette Cornet AP2.5 S3 details Kelly 7C equivalents Monette Cornet AP2.5 S3 equivalents

Kelly 7C vs Monette Cornet AP2.5 S3

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

Compare Kelly 7C with others

Compare Monette Cornet AP2.5 S3 with others

Popular Cornet comparisons

Kelly vs Monette

Browse by specification