Which has a bigger cup — Bach 5GB (small shank) or Schilke 38D?

The Bach 5GB (small shank) has a cup diameter of 25.50 mm / 1.0039 in compared to 19.73 mm / 0.7768 in on the Schilke 38D — a difference of 5.77 mm / 0.2272 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 5GB (small shank) and Schilke 38D?

The Bach 5GB (small shank) has a very 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.

Bach 5GB (small shank) vs Schilke 38D

Name: Schilke 38D
Brand: Schilke

The Bach 5GB (small shank) has a wider cup diameter, the Bach 5GB (small shank) features a deeper cup.

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

The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.

Mouthpiece A

Bach 5GB (small shank)

• Baritone / Euphonium

Rim width—

Best suited for

🎻Orchestral playing — large cup for full, dark tone

📣High-volume projection — open throat for power

Mouthpiece B

Schilke 38D

• Baritone / Euphonium

Rim width—

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 5GB (small shank) details Schilke 38D details Bach 5GB (small shank) equivalents Schilke 38D equivalents

Bach 5GB (small shank) vs Schilke 38D

Playing Characteristics

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What Changes If You Switch?

Which is better?

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