Bob Reeves Piccolo 42/M/s vs Bob Reeves Piccolo 42/M/X
Both mouthpieces share similar core dimensions — the differences are in the details.
Mouthpiece A
Bob Reeves Piccolo 42/M/s
• Trumpet
Cup diameter16.67 mm / 0.6563 in
Cup depthMedium
Rim width—
Throat diameter—
Backbores
Finish—
Material—
Best suited for
All-round versatile — balanced cup for general playing
vs
Mouthpiece B
Bob Reeves Piccolo 42/M/X
• Trumpet
Cup diameter16.67 mm / 0.6563 in
Cup depthMedium
Rim width—
Throat diameter—
BackboreX
Finish—
Material—
Best suited for
All-round versatile — balanced cup for general playing
Cup Diameter
Both mouthpieces have virtually identical cup diameters at 16.67 mm / 0.6563 in.
Cup Depth
Both mouthpieces share a medium cup depth, so the sound character from depth alone will be very similar.
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.