Bach 12E vs Schilke 50
The Schilke 50 has a wider cup diameter, the Schilke 50 features a deeper cup, the Schilke 50 has a larger throat opening.
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
Bach 12E
• Trombone
Throat diameter5.85 mm / 0.2303 in
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Schilke 50
• Trombone
Throat diameter6.75 mm / 0.2657 in
Best suited for
High-volume projection — open throat for power
Throat Diameter
The Schilke 50 has a wider throat (6.75 mm / 0.2657 in vs 5.85 mm / 0.2303 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.