Bach 5C vs Bruno Tilz 300-1 1/2 CE
The Bruno Tilz 300-1 1/2 CE has a wider cup diameter, the Bach 5C features a deeper cup, the Bach 5C has a larger throat opening.
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
Bach 5C
• Trumpet
Throat diameter3.66 mm / 0.1441 in
Best suited for
All-round versatile — balanced cup for general playing
vs
Mouthpiece B
Bruno Tilz 300-1 1/2 CE
• Trumpet
CatalogThroat diameter3.60 mm / 0.1417 in
Best suited for
Screamer / high notes — tight throat with shallow cup
Throat Diameter
The Bach 5C has a wider throat (3.66 mm / 0.1441 in vs 3.60 mm / 0.1417 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.