Bruno Tilz 213- A 2 vs Schilke 38D
The Bruno Tilz 213- A 2 has a wider cup diameter, the Schilke 38D features a deeper cup.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Bruno Tilz 213- A 2
• Baritone / Euphonium
CatalogCup diameter23.00 mm / 0.9055 in
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Schilke 38D
• Baritone / Euphonium
Cup diameter19.73 mm / 0.7768 in
Cup Diameter
The Bruno Tilz 213- A 2 has a cup diameter of 23.00 mm / 0.9055 in compared to 19.73 mm / 0.7768 in on the Schilke 38D — a difference of 3.27 mm / 0.1287 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.