Conn Precision 3A vs Giardinelli Sym. T
the Conn Precision 3A features a deeper cup.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Conn Precision 3A
• Trombone
GeneralCup diameter—
Best suited for
General trombone use
Good round tone in all registers; all-around
vs
Mouthpiece B
Giardinelli Sym. T
• Trombone
Cup diameter25.80 mm / 1.0157 in
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.