Conn Imp. Precision 5 vs Marcinkiewicz 5*W (Endorsee)
the Conn Imp. Precision 5 features a deeper cup.
Mouthpiece A
Conn Imp. Precision 5
• Cornet
LeadCup diameter—
Cup depthShallow
Rim width—
Throat diameter—
Backbore—
Finish—
MaterialSilver-plated brass
Best suited for
Dance band / lead; standard on Conn 6B Victor
Bright tone; excellent in high register
vs
Mouthpiece B
Marcinkiewicz 5*W (Endorsee)
• Cornet
Cup diameter16.76 mm / 0.6598 in
Cup depthVery shallow
Rim width—
Throat diameter3.91 mm / 0.1539 in
Backbore—
Finish—
Material—
Best suited for
High-volume projection — open throat for power
Cup Depth
The Conn Imp. Precision 5 has a shallow cup while the Marcinkiewicz 5*W (Endorsee) has a very shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Material
The Conn Imp. Precision 5 is described as Silver-plated brass, and the Marcinkiewicz 5*W (Endorsee) 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.