Bach 1¼C vs Yamaha TR-14B4
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
Yamaha TR-14B4
• Trumpet
Cup depthShallow
Cup Depth
The Bach 1¼C has a medium cup while the Yamaha TR-14B4 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.