Bach 19 vs Schilke 44E4
The Schilke 44E4 has a wider cup diameter, the Schilke 44E4 features a deeper cup, the Schilke 44E4 has a larger throat opening.
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
Bach 19
• Trombone
Backbore—
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
vs
Mouthpiece B
Schilke 44E4
• Trombone
Backbore15/64 .2344"
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
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.