Which has a bigger cup — Schilke S-H or Yamaha BB-65?

The Schilke S-H has a cup diameter of 31.84 mm / 1.2535 in compared to 30.95 mm / 1.2185 in on the Yamaha BB-65 — a difference of 0.89 mm / 0.0350 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Schilke S-H and Yamaha BB-65?

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

Schilke S-H vs Yamaha BB-65

Name: Yamaha BB-65
Brand: Yamaha

The Schilke S-H has a wider cup diameter, the Yamaha BB-65 has a larger throat opening.

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

The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.

Mouthpiece A

Schilke S-H

• Tuba

Rim width—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Yamaha BB-65

• Tuba

Rim width—

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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Schilke S-H vs Yamaha BB-65

Playing Characteristics

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What Changes If You Switch?

Which is better?

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