Marcinkiewicz E14B. Shew #1 vs Yamaha TR-11B4-GP
The Marcinkiewicz E14B. Shew #1 has a wider cup diameter, the Marcinkiewicz E14B. Shew #1 features a deeper cup, the Yamaha TR-11B4-GP has a larger throat opening.
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
Marcinkiewicz E14B. Shew #1
• Trumpet
Throat diameter3.56 mm / 0.1402 in
Best suited for
Orchestral playing — large cup for full, dark tone
vs
Mouthpiece B
Yamaha TR-11B4-GP
• Trumpet
Throat diameter3.65 mm / 0.1437 in
Throat Diameter
The Yamaha TR-11B4-GP has a wider throat (3.65 mm / 0.1437 in vs 3.56 mm / 0.1402 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.