Which has a bigger cup — Bruno Tilz 304-H1 or Schilke 38D?

The Bruno Tilz 304-H1 has a cup diameter of 22.00 mm / 0.8661 in compared to 19.73 mm / 0.7768 in on the Schilke 38D — a difference of 2.27 mm / 0.0894 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bruno Tilz 304-H1 and Schilke 38D?

Both mouthpieces share a medium cup depth, so the sound character from depth alone will be very similar.

Bruno Tilz 304-H1 vs Schilke 38D

Name: Schilke 38D
Brand: Schilke

The Bruno Tilz 304-H1 has a wider cup diameter.

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

Bruno Tilz 304-H1

• Baritone / Euphonium

Catalog

Throat diameter4.40 mm / 0.1732 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.

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Bruno Tilz 304-H1 vs Schilke 38D

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

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