Which has a bigger cup — Schilke 42B or Yamaha SL-53L?

The Yamaha SL-53L has a cup diameter of 25.91 mm / 1.0201 in compared to 22.99 mm / 0.9051 in on the Schilke 42B — a difference of 2.92 mm / 0.1150 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Schilke 42B and Yamaha SL-53L?

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

Schilke 42B vs Yamaha SL-53L

Name: Yamaha SL-53L
Brand: Yamaha

The Yamaha SL-53L has a wider cup diameter, the Yamaha SL-53L 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 42B

• Trombone

Material—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Yamaha SL-53L

• 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 42B vs Yamaha SL-53L

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

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