Which has a bigger cup — Bruno Tilz 215-3 GS or Bruno Tilz 305-D 5?

The Bruno Tilz 215-3 GS has a cup diameter of 27.00 mm / 1.0630 in compared to 26.00 mm / 1.0236 in on the Bruno Tilz 305-D 5 — a difference of 1.00 mm / 0.0394 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bruno Tilz 215-3 GS and Bruno Tilz 305-D 5?

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

Bruno Tilz 215-3 GS vs Bruno Tilz 305-D 5

Name: Bruno Tilz 305-D 5
Brand: Bruno Tilz

The Bruno Tilz 215-3 GS has a wider cup diameter, the Bruno Tilz 215-3 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 215-3 GS

• Trombone

Catalog

Backbore—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Bruno Tilz 305-D 5

• Trombone

Catalog

Backbore—

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 215-3 GS vs Bruno Tilz 305-D 5

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

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