Which has a bigger cup — Bruno Tilz 310-M 12 or Yamaha BB-BOBO-SOLO-GP?

The Bruno Tilz 310-M 12 has a cup diameter of 32.50 mm / 1.2795 in compared to 32.20 mm / 1.2677 in on the Yamaha BB-BOBO-SOLO-GP — a difference of 0.30 mm / 0.0118 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bruno Tilz 310-M 12 and Yamaha BB-BOBO-SOLO-GP?

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

Bruno Tilz 310-M 12 vs Yamaha BB-BOBO-SOLO-GP

Name: Yamaha BB-BOBO-SOLO-GP
Brand: Yamaha

The Bruno Tilz 310-M 12 has a wider cup diameter, the Yamaha BB-BOBO-SOLO-GP 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 310-M 12

• Tuba

Catalog

Finish—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Yamaha BB-BOBO-SOLO-GP

• Tuba

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.

Open in interactive tool + Add third mouthpiece Bruno Tilz 310-M 12 details Yamaha BB-BOBO-SOLO-GP details Bruno Tilz 310-M 12 equivalents Yamaha BB-BOBO-SOLO-GP equivalents

Bruno Tilz 310-M 12 vs Yamaha BB-BOBO-SOLO-GP

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

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Compare Yamaha BB-BOBO-SOLO-GP with others

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