Bach 1½C vs Conn Connstellation 7BW
The Bach 1½C has a wider cup diameter, the Conn Connstellation 7BW features a deeper cup.
How deep the cup is, from shallow (brighter, easier high register) to deep (darker, fuller sound).
Mouthpiece A
Bach 1½C
• Cornet
Cup depthMedium
vs
Mouthpiece B
Conn Connstellation 7BW
• Cornet
GeneralCup depthVery deep
Best suited for
Trumpet players seeking precise matched dimensions
Size 7 (16.42mm); smaller cup; more compact tone; Wide rim; larger rounded inner radius; less bite.
Cup Depth
The Conn Connstellation 7BW has a very deep cup while the Bach 1½C has a medium 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.