Bach 7D vs Yamaha CR-14ES-GP
The Yamaha CR-14ES-GP has a wider cup diameter, the Yamaha CR-14ES-GP features a deeper cup, the Yamaha CR-14ES-GP has a larger throat opening.
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
Bach 7D
• Cornet
Backbore—
Best suited for
Lead / commercial — shallow cup for brightness and range
vs
Mouthpiece B
Yamaha CR-14ES-GP
• Cornet
BackboreStandard
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
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.