Conn Imp. Precision 1 vs Denis Wick 1L
the Conn Imp. Precision 1 features a deeper cup.
Mouthpiece A
Conn Imp. Precision 1
• Tuba
OrchestralCup diameter—
Cup depth
Rim width—
Throat diameter—
Backbore—
Finish—
MaterialSilver-plated brass
Best suited for
BBb bass / sousaphone orchestral
Exceptionally full deep rich tone
vs
Mouthpiece B
Denis Wick 1L
• Tuba
Cup diameter32.50 mm / 1.2795 in
Cup depthVery deep
Rim width7.48 mm / 0.2945 in
Throat diameter8.43 mm / 0.3319 in
Backboreopen
Finish—
Material—
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
Cup Depth
The Conn Imp. Precision 1 has a — cup while the Denis Wick 1L has a very deep cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Material
The Conn Imp. Precision 1 is described as Silver-plated brass, and the Denis Wick 1L as unspecified. Material affects mass, warmth, and how quickly the piece responds.
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.