Bruno Tilz 210-S 11 vs Bruno Tilz 210-S 12
the Bruno Tilz 210-S 12 has a larger throat opening.
Mouthpiece A
Bruno Tilz 210-S 11
• Flugelhorn
CatalogCup diameter17.00 mm / 0.6693 in
Cup depth
Rim width—
Throat diameter3.80 mm / 0.1496 in
Backbore—
Finish—
Material—
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
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
Cup Diameter
Both mouthpieces have virtually identical cup diameters at 17.00 mm / 0.6693 in.
Throat Diameter
The Bruno Tilz 210-S 12 has a wider throat (3.90 mm / 0.1535 in vs 3.80 mm / 0.1496 in). A wider throat allows more air through, increasing volume and projection but reducing resistance.
Which is better?
Both mouthpieces are categorized as "Catalog" — the physical dimensions above will determine which suits your embouchure and playing style better.