Bruno Tilz 300-1/2 C vs Bruno Tilz 300-1/2 E
Both mouthpieces share similar core dimensions — the differences are in the details.
Mouthpiece A
Bruno Tilz 300-1/2 C
• Trumpet
CatalogCup diameter17.00 mm / 0.6693 in
Cup depthDeep
Rim width—
Throat diameter3.70 mm / 0.1457 in
Backbore—
Finish—
Material—
Best suited for
Orchestral playing — large cup for full, dark tone
vs
Mouthpiece B
Bruno Tilz 300-1/2 E
• Trumpet
CatalogCup diameter17.00 mm / 0.6693 in
Cup depthDeep
Rim width—
Throat diameter3.70 mm / 0.1457 in
Backbore—
Finish—
Material—
Best suited for
Orchestral playing — large cup for full, dark tone
Cup Diameter
Both mouthpieces have virtually identical cup diameters at 17.00 mm / 0.6693 in.
Cup Depth
Both mouthpieces share a deep cup depth, so the sound character from depth alone will be very similar.
Throat Diameter
Throat diameters are essentially identical at 3.70 mm / 0.1457 in, so resistance feel will be comparable.
Which is better?
Both mouthpieces are categorized as "Catalog" — the physical dimensions above will determine which suits your embouchure and playing style better.