Bruno Tilz 210-S 12 vs Marcinkiewicz CH BSC FL
The Bruno Tilz 210-S 12 has a wider cup diameter, the Marcinkiewicz CH BSC FL has a larger throat opening.
Mouthpiece A
Bruno Tilz 210-S 12
• Flugelhorn
CatalogCup diameter17.00 mm / 0.6693 in
Cup depth
Rim width—
Throat diameter3.90 mm / 0.1535 in
Backbore—
Finish—
Material—
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Marcinkiewicz CH BSC FL
• Flugelhorn
Cup diameter16.74 mm / 0.6591 in
Cup depthVery shallow
Rim width—
Throat diameter4.39 mm / 0.1728 in
Backbore—
Finish—
Material—
Best suited for
High-volume projection — open throat for power
Cup Diameter
The Bruno Tilz 210-S 12 has a cup diameter of 17.00 mm / 0.6693 in compared to 16.74 mm / 0.6591 in on the Marcinkiewicz CH BSC FL — a difference of 0.26 mm / 0.0102 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Throat Diameter
The Marcinkiewicz CH BSC FL has a wider throat (4.39 mm / 0.1728 in vs 3.90 mm / 0.1535 in). A wider throat allows more air through, increasing volume and projection but reducing resistance.
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.