Conn Precision 2 vs Kelly 18
the Conn Precision 2 features a deeper cup.
Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.
Mouthpiece A
Conn Precision 2
• Tuba
GeneralMaterialSilver-plated brass
Best suited for
BBb bass; general use
Full rich tone in all registers
vs
Mouthpiece B
Kelly 18
• Tuba
GeneralMaterialLexan polycarbonate
Best suited for
Orchestral playing — large cup for full, dark tone
Industry-standard tuba
Material
The Conn Precision 2 is described as Silver-plated brass, and the Kelly 18 as Lexan polycarbonate. Material affects mass, warmth, and how quickly the piece responds.
Which is better?
Both mouthpieces are categorized as "General" — the physical dimensions above will determine which suits your embouchure and playing style better.