Bob Reeves DR SOLO 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 DR SOLO
• Trombone
Cup diameter25.55 mm / 1.0059 in
Cup depthMedium
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 25.55 mm / 1.0059 in on the Bob Reeves DR SOLO — a difference of 0.25 mm / 0.0098 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 DR SOLO has a medium 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.