Conn Connstellation 5CW vs Conn Imp. Precision 2
The Conn Connstellation 5CW has a wider cup diameter.
Mouthpiece A
Conn Connstellation 5CW
• Cornet
OrchestralCup diameter16.76 mm / 0.6598 in
Cup depth
Rim width—
Throat diameter—
Backbore—
Finish—
MaterialSilver-plated brass
Best suited for
Trumpet players seeking precise matched dimensions
Size 5 (16.76mm); larger cup; fuller lower register; Wide rim; larger rounded inner radius; less bit
vs
Mouthpiece B
Conn Imp. Precision 2
• Cornet
GeneralCup diameter16.41 mm / 0.6461 in
Cup depth
Rim width—
Throat diameter—
Backbore—
Finish—
MaterialSilver-plated brass
Best suited for
Players wanting volume; narrower rim than Model 1
Plenty of volume; big tone
Cup Diameter
The Conn Connstellation 5CW has a cup diameter of 16.76 mm / 0.6598 in compared to 16.41 mm / 0.6461 in on the Conn Imp. Precision 2 — a difference of 0.35 mm / 0.0138 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
Both mouthpieces share a — cup depth, so the sound character from depth alone will be very similar.
Material
Both mouthpieces share the same listed material (Silver-plated brass).
Which is better?
The Conn Connstellation 5CW is designed for orchestral playing, while the Conn Imp. Precision 2 targets general use. Your best choice depends on your musical context.