Which has a bigger cup — Bruno Tilz 306-5 GS or Schilke 50?

The Bruno Tilz 306-5 GS has a cup diameter of 26.00 mm / 1.0236 in compared to 25.40 mm / 1.0000 in on the Schilke 50 — a difference of 0.60 mm / 0.0236 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 50?

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 50

Name: Schilke 50
Brand: Schilke

The Bruno Tilz 306-5 GS 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

The taper behind the throat leading to the shank. Affects projection and tone character.

Mouthpiece A

Bruno Tilz 306-5 GS

• Trombone

Catalog

Backbore—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Schilke 50

• Trombone

Backbore17/64 .2656"

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 50

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

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