Bach 12E vs Conn Connstellation 7CN
the Conn Connstellation 7CN features a deeper cup.
How deep the cup is, from shallow (brighter, easier high register) to deep (darker, fuller sound).
Mouthpiece A
Bach 12E
• Trombone
Cup depthShallow
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Conn Connstellation 7CN
• Trombone
GeneralCup depth
Best suited for
Trombone players
Trombone size 7; larger cup; fuller lower register; Narrow rim; smaller inner radius; sharper bite.
Cup Depth
The Conn Connstellation 7CN has a — cup while the Bach 12E has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
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.