Bach 8½A vs Conn Connstellation 5CN
The Conn Connstellation 5CN has a wider cup diameter, the Conn Connstellation 5CN features a deeper cup.
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
Bach 8½A
• Cornet
Backbore—
vs
Mouthpiece B
Conn Connstellation 5CN
• Cornet
OrchestralBackbore—
Best suited for
Trumpet players seeking precise matched dimensions
Size 5 (16.76mm); larger cup; fuller lower register; Narrow rim; smaller inner radius; sharper bite.
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.