Which has a bigger cup — Bruno Tilz 305-4 or Bruno Tilz 306-5 GS?

The Bruno Tilz 306-5 GS has a cup diameter of 26.00 mm / 1.0236 in compared to 25.50 mm / 1.0039 in on the Bruno Tilz 305-4 — a difference of 0.50 mm / 0.0197 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bruno Tilz 305-4 and Bruno Tilz 306-5 GS?

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

Bruno Tilz 305-4 vs Bruno Tilz 306-5 GS

Name: Bruno Tilz 306-5 GS
Brand: Bruno Tilz

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

Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.

Mouthpiece A

Bruno Tilz 305-4

• Trombone

Catalog

Material—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Bruno Tilz 306-5 GS

• Trombone

Catalog

Material—

Best suited for

📣High-volume projection — open throat for power

Which is better?

Both mouthpieces are categorized as "Catalog" — the physical dimensions above will determine which suits your embouchure and playing style better.

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Bruno Tilz 305-4 vs Bruno Tilz 306-5 GS

Playing Characteristics

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Which is better?

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