Which has a bigger cup — Denis Wick 6BM or Yamaha AH-38D4?

The Denis Wick 6BM has a cup diameter of 25.40 mm / 1.0000 in compared to 18.90 mm / 0.7441 in on the Yamaha AH-38D4 — a difference of 6.50 mm / 0.2559 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Denis Wick 6BM and Yamaha AH-38D4?

The Yamaha AH-38D4 has a deep cup while the Denis Wick 6BM has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Denis Wick 6BM vs Yamaha AH-38D4

Name: Yamaha AH-38D4
Brand: Yamaha

The Denis Wick 6BM has a wider cup diameter, the Yamaha AH-38D4 features a deeper cup, the Denis Wick 6BM has a larger throat opening.

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

Surface plating or treatment (e.g. silver plate, gold trim). Affects feel, durability, and appearance.

Mouthpiece A

Denis Wick 6BM

• Baritone / Euphonium

Finish—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Yamaha AH-38D4

• Baritone / Euphonium

Finish—

Best suited for

🎻Orchestral playing — large cup for full, dark tone

📣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 6BM vs Yamaha AH-38D4

Playing Characteristics

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