Bob Reeves 11C vs Giardinelli Sym. T
The Giardinelli Sym. T has a wider cup diameter, the Giardinelli Sym. T features a deeper cup.
Mouthpiece A
Bob Reeves 11C
• Trombone
Cup diameter24.80 mm / 0.9764 in
Cup depthShallow
Rim width—
Throat diameter—
Backbore—
Finish—
Material—
vs
Mouthpiece B
Giardinelli Sym. T
• Trombone
Cup diameter25.80 mm / 1.0157 in
Cup depthDeep
Rim width—
Throat diameter6.40 mm / 0.2520 in
Backbore1/4 (.250)"
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. T has a cup diameter of 25.80 mm / 1.0157 in compared to 24.80 mm / 0.9764 in on the Bob Reeves 11C — a difference of 1.00 mm / 0.0394 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Giardinelli Sym. T has a deep cup while the Bob Reeves 11C has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
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.