Bruno Tilz 300-3 DE vs Yamaha TR-14B4
The Bruno Tilz 300-3 DE has a wider cup diameter, the Yamaha TR-14B4 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
Bruno Tilz 300-3 DE
• Trumpet
CatalogRim width—
Best suited for
Screamer / high notes — tight throat with shallow cup
vs
Mouthpiece B
Yamaha TR-14B4
• Trumpet
Rim width—
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.