Which has a bigger cup — Denis Wick 5AL or Denis Wick 9BS?

The Denis Wick 5AL has a cup diameter of 25.73 mm / 1.0130 in compared to 25.00 mm / 0.9843 in on the Denis Wick 9BS — a difference of 0.73 mm / 0.0287 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Denis Wick 5AL and Denis Wick 9BS?

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

Denis Wick 5AL vs Denis Wick 9BS

Name: Denis Wick 9BS
Brand: Denis Wick

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

Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.

Mouthpiece A

Denis Wick 5AL

• Trombone

Material—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Denis Wick 9BS

• 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 5AL vs Denis Wick 9BS

Playing Characteristics

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