Bach 5V vs Yamaha CR-8D2S
The Yamaha CR-8D2S has a wider cup diameter, the Bach 5V features a deeper cup.
How deep the cup is, from shallow (brighter, easier high register) to deep (darker, fuller sound).
Mouthpiece A
Bach 5V
• Cornet
Cup depthVery deep
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Yamaha CR-8D2S
• Cornet
Cup depthDeep
Best suited for
High-volume projection — open throat for power
Cup Depth
The Bach 5V has a very deep cup while the Yamaha CR-8D2S has a deep 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.