Bob Reeves 43.5/SV/692 vs Marcinkiewicz E14B. Shew #1
The Bob Reeves 43.5/SV/692 has a wider cup diameter, the Marcinkiewicz E14B. Shew #1 features a deeper cup.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Bob Reeves 43.5/SV/692
• Trumpet
Cup diameter17.26 mm / 0.6795 in
vs
Mouthpiece B
Marcinkiewicz E14B. Shew #1
• Trumpet
Cup diameter16.81 mm / 0.6618 in
Best suited for
Orchestral playing — large cup for full, dark tone
Cup Diameter
The Bob Reeves 43.5/SV/692 has a cup diameter of 17.26 mm / 0.6795 in compared to 16.81 mm / 0.6618 in on the Marcinkiewicz E14B. Shew #1 — a difference of 0.45 mm / 0.0177 in. A wider cup generally produces a fuller, darker tone but requires more air support.
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.