Marcinkiewicz E14B. Shew #1 vs Yamaha TR-17D4
The Yamaha TR-17D4 has a wider cup diameter, the Yamaha TR-17D4 has a larger throat opening.
The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.
Mouthpiece A
Marcinkiewicz E14B. Shew #1
• Trumpet
Rim width—
Best suited for
Orchestral playing — large cup for full, dark tone
vs
Mouthpiece B
Yamaha TR-17D4
• Trumpet
Rim width—
Best suited for
Orchestral playing — large cup for full, dark tone
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.