Which has a bigger cup — Schilke 52D or Yamaha SL-48S-GP?

The Schilke 52D has a cup diameter of 25.78 mm / 1.0150 in compared to 25.25 mm / 0.9941 in on the Yamaha SL-48S-GP — a difference of 0.53 mm / 0.0209 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Schilke 52D and Yamaha SL-48S-GP?

The Schilke 52D has a deep cup while the Yamaha SL-48S-GP has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Schilke 52D vs Yamaha SL-48S-GP

Name: Yamaha SL-48S-GP
Brand: Yamaha

The Schilke 52D has a wider cup diameter, the Schilke 52D features a deeper cup, the Yamaha SL-48S-GP has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material

Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.

Mouthpiece A

Schilke 52D

• Trombone

Material—

Best suited for

🎻Orchestral playing — large cup for full, dark tone

📣High-volume projection — open throat for power

Mouthpiece B

Yamaha SL-48S-GP

• Trombone

Material—

Best suited for

📣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.

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Schilke 52D vs Yamaha SL-48S-GP

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