Bruno Tilz 210-S 4 E vs Bruno Tilz 210-S 9 E
The Bruno Tilz 210-S 9 E has a wider cup diameter, the Bruno Tilz 210-S 9 E features a deeper cup, the Bruno Tilz 210-S 9 E has a larger throat opening.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Bruno Tilz 210-S 4 E
• Flugelhorn
CatalogCup diameter16.50 mm / 0.6496 in
Best suited for
Screamer / high notes — tight throat with shallow cup
vs
Mouthpiece B
Bruno Tilz 210-S 9 E
• Flugelhorn
CatalogCup diameter17.00 mm / 0.6693 in
Best suited for
Orchestral playing — large cup for full, dark tone
Cup Diameter
The Bruno Tilz 210-S 9 E has a cup diameter of 17.00 mm / 0.6693 in compared to 16.50 mm / 0.6496 in on the Bruno Tilz 210-S 4 E — a difference of 0.50 mm / 0.0197 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Which is better?
Both mouthpieces are categorized as "Catalog" — the physical dimensions above will determine which suits your embouchure and playing style better.