Conn Connstellation 5BN vs Marcinkiewicz 5*W (Endorsee)
the Conn Connstellation 5BN features a deeper cup.
Mouthpiece A
Conn Connstellation 5BN
• Cornet
OrchestralCup diameter16.76 mm / 0.6598 in
Cup depthVery deep
Rim width—
Throat diameter—
Backbore—
Finish—
MaterialSilver-plated brass
Best suited for
Trumpet players seeking precise matched dimensions
Size 5 (16.76mm); smaller cup; more compact tone; Narrow rim; smaller inner radius; sharper bite. Fa
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 Diameter
Both mouthpieces have virtually identical cup diameters at 16.76 mm / 0.6598 in.
Cup Depth
The Conn Connstellation 5BN has a very deep 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 Connstellation 5BN 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.