Which has a bigger cup — Denis Wick 5AL or Giardinelli 4M?

The Denis Wick 5AL has a cup diameter of 25.73 mm / 1.0130 in compared to 25.40 mm / 1.0000 in on the Giardinelli 4M — a difference of 0.33 mm / 0.0130 in. A wider cup generally produces a fuller, darker tone but requires more air support.

Denis Wick 5AL vs Giardinelli 4M

Name: Giardinelli 4M
Brand: Giardinelli

The Denis Wick 5AL has a wider cup diameter, the Denis Wick 5AL has a larger throat opening.

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

How deep the cup is, from shallow (brighter, easier high register) to deep (darker, fuller sound).

Mouthpiece A

Denis Wick 5AL

• Trombone

Cup depthMedium

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Giardinelli 4M

• Trombone

Cup depthMedium

Best suited for

📣High-volume projection — open throat for power

Cup Depth

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

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 5AL vs Giardinelli 4M

Cup Depth

Playing Characteristics

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What Changes If You Switch?

Which is better?

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Denis Wick vs Giardinelli

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