Which has a bigger cup — Curry 128G or Yamaha BB-BOBO-SOLO-GP?

The Curry 128G has a cup diameter of 32.51 mm / 1.2800 in compared to 32.20 mm / 1.2677 in on the Yamaha BB-BOBO-SOLO-GP — a difference of 0.31 mm / 0.0123 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Curry 128G and Yamaha BB-BOBO-SOLO-GP?

The Curry 128G has a deep cup while the Yamaha BB-BOBO-SOLO-GP has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Curry 128G vs Yamaha BB-BOBO-SOLO-GP

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

The Curry 128G has a wider cup diameter, the Curry 128G features a deeper cup, the Curry 128G 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

Curry 128G

• Tuba

Backbore—

Best suited for

🎻Orchestral playing — large cup for full, dark tone

📣High-volume projection — open throat for power

Mouthpiece B

Yamaha BB-BOBO-SOLO-GP

• Tuba

BackboreStandard

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 Curry 128G details Yamaha BB-BOBO-SOLO-GP details Curry 128G equivalents Yamaha BB-BOBO-SOLO-GP equivalents

Curry 128G vs Yamaha BB-BOBO-SOLO-GP

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

Compare Curry 128G with others

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