Which has a bigger cup — Monette BP4 S3 or Yamaha TR-16C4?

The Yamaha TR-16C4 has a cup diameter of 17.00 mm / 0.6693 in compared to 16.20 mm / 0.6378 in on the Monette BP4 S3 — a difference of 0.80 mm / 0.0315 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Monette BP4 S3 and Yamaha TR-16C4?

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

Monette BP4 S3 vs Yamaha TR-16C4

Name: Yamaha TR-16C4
Brand: Yamaha

The Yamaha TR-16C4 has a wider cup diameter, the Monette BP4 S3 has a larger throat opening.

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

Monette BP4 S3

• Trumpet

Backbore—

Best suited for

🎵All-round versatile — balanced cup for general playing

Mouthpiece B

Yamaha TR-16C4

• Trumpet

BackboreSemi-narrow

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.