Which has a bigger cup — Bach 3C or Monette AP1-1D?

The Monette AP1-1D has a cup diameter of 17.00 mm / 0.6693 in compared to 16.30 mm / 0.6417 in on the Bach 3C — 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 3C and Monette AP1-1D?

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

Bach 3C vs Monette AP1-1D

Name: Monette AP1-1D
Brand: Monette

The Monette AP1-1D 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 3C

• Trumpet

Backbore—

Best suited for

🎵All-round versatile — balanced cup for general playing

Mouthpiece B

Monette AP1-1D

• Trumpet

Backbore—

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.