Which has a bigger cup — Denis Wick 10CS or Yamaha SL-47L?

The Denis Wick 10CS has a cup diameter of 25.00 mm / 0.9843 in compared to 24.98 mm / 0.9835 in on the Yamaha SL-47L — a difference of 0.02 mm / 0.0008 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Denis Wick 10CS and Yamaha SL-47L?

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

Denis Wick 10CS vs Yamaha SL-47L

Name: Yamaha SL-47L
Brand: Yamaha

The Denis Wick 10CS has a wider cup diameter, the Denis Wick 10CS 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

Denis Wick 10CS

• Trombone

Material—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Yamaha SL-47L

• 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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Denis Wick 10CS vs Yamaha SL-47L

Playing Characteristics

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