Which has a bigger cup — Schilke 42 or Yamaha SL-45C2S?

The Yamaha SL-45C2S has a cup diameter of 24.26 mm / 0.9551 in compared to 23.22 mm / 0.9142 in on the Schilke 42 — a difference of 1.04 mm / 0.0409 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Schilke 42 and Yamaha SL-45C2S?

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

Schilke 42 vs Yamaha SL-45C2S

Name: Yamaha SL-45C2S
Brand: Yamaha

The Yamaha SL-45C2S has a wider cup diameter, the Schilke 42 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 42

• Trombone

Material—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Yamaha SL-45C2S

• 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 42 vs Yamaha SL-45C2S

Playing Characteristics

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