Which has a bigger cup — Bach 12C or Monette Cornet AP6 Rim?

The Monette Cornet AP6 Rim has a cup diameter of 16.30 mm / 0.6417 in compared to 15.20 mm / 0.5984 in on the Bach 12C — a difference of 1.10 mm / 0.0433 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 12C and Monette Cornet AP6 Rim?

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

Bach 12C vs Monette Cornet AP6 Rim

Name: Monette Cornet AP6 Rim
Brand: Monette

The Monette Cornet AP6 Rim 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 12C

• Cornet

Finish—

Mouthpiece B

Monette Cornet AP6 Rim

• Cornet

Finish—

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.