Bruno Tilz 210-S 4 E vs Marcinkiewicz CH BSC FL
The Marcinkiewicz CH BSC FL has a wider cup diameter, the Bruno Tilz 210-S 4 E features a deeper cup, the Marcinkiewicz CH BSC FL 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
Marcinkiewicz CH BSC FL
• Flugelhorn
Cup diameter16.74 mm / 0.6591 in
Best suited for
High-volume projection — open throat for power
Cup Diameter
The Marcinkiewicz CH BSC FL has a cup diameter of 16.74 mm / 0.6591 in compared to 16.50 mm / 0.6496 in on the Bruno Tilz 210-S 4 E — a difference of 0.24 mm / 0.0094 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.