Bach 1B vs Conn Connstellation 5BN
The Bach 1B has a wider cup diameter, the Conn Connstellation 5BN features a deeper cup.
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
Bach 1B
• Cornet
Backbore—
Best suited for
Orchestral playing — large cup for full, dark tone
vs
Mouthpiece B
Conn Connstellation 5BN
• Cornet
OrchestralBackbore—
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
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.