Which has a bigger cup — Denis Wick 12CS or Yamaha SL-48L?

The Yamaha SL-48L has a cup diameter of 25.25 mm / 0.9941 in compared to 24.50 mm / 0.9646 in on the Denis Wick 12CS — a difference of 0.75 mm / 0.0295 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Denis Wick 12CS and Yamaha SL-48L?

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

Denis Wick 12CS vs Yamaha SL-48L

Name: Yamaha SL-48L
Brand: Yamaha

The Yamaha SL-48L has a wider cup diameter, the Yamaha SL-48L has a larger throat opening.

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

The taper behind the throat leading to the shank. Affects projection and tone character.

Mouthpiece A

Denis Wick 12CS

• Trombone

BackboreV-type

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Yamaha SL-48L

• Trombone

BackboreSemi-narrow

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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Denis Wick 12CS vs Yamaha SL-48L

Playing Characteristics

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What Changes If You Switch?

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