Which has a bigger cup — Bach 10½C or Monette Unity E6M?

The Monette Unity E6M has a cup diameter of 16.30 mm / 0.6417 in compared to 15.90 mm / 0.6260 in on the Bach 10½C — a difference of 0.40 mm / 0.0157 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 10½C and Monette Unity E6M?

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

Bach 10½C vs Monette Unity E6M

Name: Monette Unity E6M
Brand: Monette

The Monette Unity E6M has a wider cup diameter.

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

The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.

Mouthpiece A

Bach 10½C

• Trumpet

Rim width—

Mouthpiece B

Monette Unity E6M

• Trumpet

Rim width—

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.