Bruno Tilz 200-6 B vs Yamaha TR-14B4
The Yamaha TR-14B4 has a wider cup diameter, the Yamaha TR-14B4 has a larger throat opening.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Bruno Tilz 200-6 B
• Trumpet
CatalogCup diameter16.80 mm / 0.6614 in
Best suited for
Screamer / high notes — tight throat with shallow cup
vs
Mouthpiece B
Yamaha TR-14B4
• Trumpet
Cup diameter16.85 mm / 0.6634 in
Cup Diameter
The Yamaha TR-14B4 has a cup diameter of 16.85 mm / 0.6634 in compared to 16.80 mm / 0.6614 in on the Bruno Tilz 200-6 B — a difference of 0.05 mm / 0.0020 in. A wider cup generally produces a fuller, darker tone but requires more air support.
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.