Bob Reeves 4G-5G vs Giardinelli 2G
The Giardinelli 2G has a wider cup diameter, the Giardinelli 2G features a deeper cup.
How deep the cup is, from shallow (brighter, easier high register) to deep (darker, fuller sound).
Mouthpiece A
Bob Reeves 4G-5G
• Trombone
Cup depthDeep
Best suited for
Orchestral playing — large cup for full, dark tone
vs
Mouthpiece B
Giardinelli 2G
• Trombone
Cup depthVery deep
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
Cup Depth
The Giardinelli 2G has a very deep cup while the Bob Reeves 4G-5G has a deep 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.