Giardinelli 2G vs Giardinelli Sym. B.
The Giardinelli Sym. B. has a wider cup diameter.
Mouthpiece A
Giardinelli 2G
• Trombone
Cup diameter26.50 mm / 1.0433 in
Cup depthVery deep
Rim width—
Throat diameter7.15 mm / 0.2815 in
Backbore9/32 (.281)"
Finish—
Material—
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
vs
Mouthpiece B
Giardinelli Sym. B.
• Trombone
Cup diameter26.70 mm / 1.0512 in
Cup depthVery deep
Rim width—
Throat diameter7.15 mm / 0.2815 in
Backbore9/32 (.281)"
Finish—
Material—
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
Cup Diameter
The Giardinelli Sym. B. has a cup diameter of 26.70 mm / 1.0512 in compared to 26.50 mm / 1.0433 in on the Giardinelli 2G — a difference of 0.20 mm / 0.0079 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
Both mouthpieces share a very deep cup depth, so the sound character from depth alone will be very similar.
Throat Diameter
Throat diameters are essentially identical at 7.15 mm / 0.2815 in, so resistance feel will be comparable.
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.