Giardinelli 5D vs Marcinkiewicz 7C
The Marcinkiewicz 7C has a wider cup diameter, the Giardinelli 5D has a larger throat opening.
Cup Diameter
The Marcinkiewicz 7C has a cup diameter of 25.12 mm / 0.9890 in compared to 25.00 mm / 0.9843 in on the Giardinelli 5D — a difference of 0.12 mm / 0.0047 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
Both mouthpieces share a deep cup depth, so the sound character from depth alone will be very similar.
Throat Diameter
The Giardinelli 5D has a wider throat (6.00 mm / 0.2362 in vs 5.94 mm / 0.2339 in). A wider throat allows more air through, increasing volume and projection but reducing resistance.
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.
Compare Giardinelli 5D with others
Compare Marcinkiewicz 7C with others
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