Which has a bigger cup — Schilke 58 or Yamaha SL-48L?

The Schilke 58 has a cup diameter of 27.68 mm / 1.0898 in compared to 25.25 mm / 0.9941 in on the Yamaha SL-48L — a difference of 2.43 mm / 0.0957 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Schilke 58 and Yamaha SL-48L?

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

Schilke 58 vs Yamaha SL-48L

Name: Yamaha SL-48L
Brand: Yamaha

The Schilke 58 has a wider cup diameter, the Schilke 58 has a larger throat opening.

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

Surface plating or treatment (e.g. silver plate, gold trim). Affects feel, durability, and appearance.

Mouthpiece A

Schilke 58

• Trombone

Finish—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Yamaha SL-48L

• Trombone

Finish—

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 58 vs Yamaha SL-48L

Playing Characteristics

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What Changes If You Switch?

Which is better?

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