Bruno Tilz 213- S 2 vs Bruno Tilz 304- A 1
The Bruno Tilz 213- S 2 has a wider cup diameter, the Bruno Tilz 213- S 2 features a deeper cup, the Bruno Tilz 213- S 2 has a larger throat opening.
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
Bruno Tilz 213- S 2
• Baritone / Euphonium
CatalogBackbore—
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Bruno Tilz 304- A 1
• Baritone / Euphonium
CatalogBackbore—
Best suited for
High-volume projection — open throat for power
Which is better?
Both mouthpieces are categorized as "Catalog" — the physical dimensions above will determine which suits your embouchure and playing style better.