Which has a bigger cup — Bach 14½D or Schilke 38D?

The Bach 14½D has a cup diameter of 24.50 mm / 0.9646 in compared to 19.73 mm / 0.7768 in on the Schilke 38D — a difference of 4.77 mm / 0.1878 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 14½D and Schilke 38D?

The Schilke 38D has a medium cup while the Bach 14½D has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Bach 14½D vs Schilke 38D

Name: Schilke 38D
Brand: Schilke

The Bach 14½D 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

The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.

Mouthpiece A

Bach 14½D

• Baritone / Euphonium

Throat diameter5.85 mm / 0.2303 in

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Schilke 38D

• Baritone / Euphonium

Throat diameter—

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 14½D details Schilke 38D details Bach 14½D equivalents Schilke 38D equivalents

Bach 14½D vs Schilke 38D

Playing Characteristics

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Which is better?

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