Bach 12E vs Giardinelli Sym. B.
The Giardinelli Sym. B. has a wider cup diameter, the Giardinelli Sym. B. features a deeper cup, the Giardinelli Sym. B. has a larger throat opening.
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
Bach 12E
• Trombone
Backbore—
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Giardinelli Sym. B.
• Trombone
Backbore9/32 (.281)"
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.
Compare Bach 12E with others
Compare Giardinelli Sym. B. with others
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