Bach 6½AL (large shank) vs Conn Connstellation 7CW
the Conn Connstellation 7CW features a deeper cup.
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
Bach 6½AL (large shank)
• Trombone
Backbore—
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
vs
Mouthpiece B
Conn Connstellation 7CW
• Trombone
GeneralBackbore—
Best suited for
Trombone players
Trombone size 7; larger cup; fuller lower register; Wide rim; larger rounded inner radius; less 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.