Which has a bigger cup — Schilke 38D or Yamaha AH-38D4?

The Schilke 38D has a cup diameter of 19.73 mm / 0.7768 in compared to 18.90 mm / 0.7441 in on the Yamaha AH-38D4 — a difference of 0.83 mm / 0.0327 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Schilke 38D and Yamaha AH-38D4?

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

Schilke 38D vs Yamaha AH-38D4

Name: Yamaha AH-38D4
Brand: Yamaha

The Schilke 38D has a wider cup diameter, the Yamaha AH-38D4 features a deeper cup.

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

Schilke 38D

• Baritone / Euphonium

Material—

Mouthpiece B

Yamaha AH-38D4

• Baritone / Euphonium

Material—

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.

Open in interactive tool + Add third mouthpiece Schilke 38D details Yamaha AH-38D4 details Schilke 38D equivalents Yamaha AH-38D4 equivalents

Schilke 38D vs Yamaha AH-38D4

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

Compare Schilke 38D with others

Compare Yamaha AH-38D4 with others

Popular Baritone / Euphonium comparisons

Schilke vs Yamaha

Browse by specification