Monette D4D S3 vs Yamaha TR-14B4

The Yamaha TR-14B4 has a wider cup diameter, the Monette D4D S3 features a deeper cup, the Monette D4D S3 has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
    Monette D4D S3
    • Trumpet
    Throat diameter3.66 mm / 0.1441 in
    Best suited for
    🎵All-round versatile — balanced cup for general playing
    vs
    Mouthpiece B
      Yamaha TR-14B4
      • Trumpet
      Throat diameter3.65 mm / 0.1437 in

      Throat Diameter

      The Monette D4D S3 has a wider throat (3.66 mm / 0.1441 in vs 3.65 mm / 0.1437 in). A wider throat allows more air through, increasing volume and projection but reducing resistance.

      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 Monette D4D S3 details Yamaha TR-14B4 details Monette D4D S3 equivalents Yamaha TR-14B4 equivalents