Which has a bigger cup — Bach 8½BW or Schilke 38D?

The Bach 8½BW has a cup diameter of 24.75 mm / 0.9744 in compared to 19.73 mm / 0.7768 in on the Schilke 38D — a difference of 5.02 mm / 0.1976 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 8½BW and Schilke 38D?

The Schilke 38D has a medium cup while the Bach 8½BW has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Bach 8½BW vs Schilke 38D

Name: Schilke 38D
Brand: Schilke

The Bach 8½BW has a wider cup diameter, the Schilke 38D 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

Bach 8½BW

• Baritone / Euphonium

Material—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Schilke 38D

• Baritone / Euphonium

Material—

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 Bach 8½BW details Schilke 38D details Bach 8½BW equivalents Schilke 38D equivalents

Bach 8½BW vs Schilke 38D

Playing Characteristics

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Which is better?

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