Schilke 52E2 vs Yamaha SL-48L-GP
The Schilke 52E2 has a wider cup diameter, the Schilke 52E2 features a deeper cup.
Mouthpiece A
Schilke 52E2
• Trombone
Cup diameter25.91 mm / 1.0201 in
Cup depthVery deep
Rim width—
Throat diameter—
BackboreJ.277
Finish—
Material—
Best suited for
Orchestral playing — large cup for full, dark tone
vs
Mouthpiece B
Yamaha SL-48L-GP
• Trombone
Cup diameter25.25 mm / 0.9941 in
Cup depthMedium
Rim width—
Throat diameter6.62 mm / 0.2606 in
BackboreSemi-narrow
Finish—
Material—
Best suited for
High-volume projection — open throat for power
Cup Diameter
The Schilke 52E2 has a cup diameter of 25.91 mm / 1.0201 in compared to 25.25 mm / 0.9941 in on the Yamaha SL-48L-GP — a difference of 0.66 mm / 0.0260 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Schilke 52E2 has a very deep cup while the Yamaha SL-48L-GP has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
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.