Bach 1¼C vs Kelly SCREAMER-BUGLE
The Bach 1¼C has a wider cup diameter, the Bach 1¼C features a deeper cup, the Bach 1¼C has a larger throat opening.
How deep the cup is, from shallow (brighter, easier high register) to deep (darker, fuller sound).
Mouthpiece A
Bach 1¼C
• Trumpet
Cup depthMedium
vs
Mouthpiece B
Kelly SCREAMER-BUGLE
• Trumpet
LeadCup depthShallow
Best suited for
Lead / commercial — shallow cup for brightness and range
Screamer / high notes — tight throat with shallow cup
Lead bugle; high register
Cup Depth
The Bach 1¼C has a medium cup while the Kelly SCREAMER-BUGLE 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.