Which has a bigger cup — Schilke 51 or Yamaha SL-48L?

The Schilke 51 has a cup diameter of 25.63 mm / 1.0091 in compared to 25.25 mm / 0.9941 in on the Yamaha SL-48L — a difference of 0.38 mm / 0.0150 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Schilke 51 and Yamaha SL-48L?

Both mouthpieces share a medium cup depth, so the sound character from depth alone will be very similar.

Schilke 51 vs Yamaha SL-48L

Name: Yamaha SL-48L
Brand: Yamaha

The Schilke 51 has a wider cup diameter, the Schilke 51 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 51

• Trombone

Material—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Yamaha SL-48L

• 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 51 vs Yamaha SL-48L

Playing Characteristics

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Which is better?

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