Which has a bigger cup — Marcinkiewicz 25 or Yamaha BB-BOBO-SOLO-GP?

The Yamaha BB-BOBO-SOLO-GP has a cup diameter of 32.20 mm / 1.2677 in compared to 31.24 mm / 1.2299 in on the Marcinkiewicz 25 — a difference of 0.96 mm / 0.0378 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Marcinkiewicz 25 and Yamaha BB-BOBO-SOLO-GP?

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

Marcinkiewicz 25 vs Yamaha BB-BOBO-SOLO-GP

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

The Yamaha BB-BOBO-SOLO-GP has a wider cup diameter, the Marcinkiewicz 25 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

Marcinkiewicz 25

• Tuba

Backbore—

Best suited for

📣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 Marcinkiewicz 25 details Yamaha BB-BOBO-SOLO-GP details Marcinkiewicz 25 equivalents Yamaha BB-BOBO-SOLO-GP equivalents

Marcinkiewicz 25 vs Yamaha BB-BOBO-SOLO-GP

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

Compare Marcinkiewicz 25 with others

Compare Yamaha BB-BOBO-SOLO-GP with others

Popular Tuba comparisons

Marcinkiewicz vs Yamaha

Browse by specification