Yamaha TR-14B4 vs Yamaha TR-14C4
The Yamaha TR-14C4 has a wider cup diameter, the Yamaha TR-14C4 features a deeper cup.
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
Yamaha TR-14B4
• Trumpet
BackboreSemi-narrow
vs
Mouthpiece B
Yamaha TR-14C4
• Trumpet
BackboreSemi-narrow
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.