Giardinelli 12M vs Giardinelli 17C
The Giardinelli 12M has a wider cup diameter, the Giardinelli 17C features a deeper cup.
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
Giardinelli 12M
• Cornet
Backbore—
vs
Mouthpiece B
Giardinelli 17C
• Cornet
Backbore—
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.