Conn Imp. Precision 1 vs Denis Wick 5AL
the Conn Imp. Precision 1 features a deeper cup.
Mouthpiece A
Conn Imp. Precision 1
• Trombone
OrchestralCup diameter—
Cup depth
Rim width—
Throat diameter—
Backbore—
Finish—
MaterialSilver-plated brass
Best suited for
Large bore trombones; symphony
Good clear tone; large bore symphonic
vs
Mouthpiece B
Denis Wick 5AL
• Trombone
Cup diameter25.73 mm / 1.0130 in
Cup depthMedium
Rim width6.64 mm / 0.2614 in
Throat diameter7.30 mm / 0.2874 in
Backborebarrel
Finish—
Material—
Best suited for
High-volume projection — open throat for power
Cup Depth
The Conn Imp. Precision 1 has a — cup while the Denis Wick 5AL has a medium 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 5AL 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.