Which has a bigger cup — Bruno Tilz 306-5 GS or Schilke 53?

The Schilke 53 has a cup diameter of 26.24 mm / 1.0331 in compared to 26.00 mm / 1.0236 in on the Bruno Tilz 306-5 GS — a difference of 0.24 mm / 0.0094 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bruno Tilz 306-5 GS and Schilke 53?

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

Bruno Tilz 306-5 GS vs Schilke 53

Name: Schilke 53
Brand: Schilke

The Schilke 53 has a wider cup diameter, the Bruno Tilz 306-5 GS has a larger throat opening.

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

Surface plating or treatment (e.g. silver plate, gold trim). Affects feel, durability, and appearance.

Mouthpiece A

Bruno Tilz 306-5 GS

• Trombone

Catalog

Finish—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Schilke 53

• Trombone

Finish—

Best suited for

📣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.

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Bruno Tilz 306-5 GS vs Schilke 53

Playing Characteristics

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