Which has a bigger cup — Denis Wick 4BS or Schilke 51?

The Denis Wick 4BS has a cup diameter of 25.90 mm / 1.0197 in compared to 25.63 mm / 1.0091 in on the Schilke 51 — a difference of 0.27 mm / 0.0106 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Denis Wick 4BS and Schilke 51?

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

Denis Wick 4BS vs Schilke 51

Name: Schilke 51
Brand: Schilke

The Denis Wick 4BS has a wider cup diameter, the Denis Wick 4BS 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 4BS

• Trombone

Backboremedium

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Schilke 51

• Trombone

BackboreJ .277"

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 4BS vs Schilke 51

Playing Characteristics

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What Changes If You Switch?

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