Bach 7C vs Giardinelli 6M
The Bach 7C has a wider cup diameter, the Giardinelli 6M features a deeper cup, the Bach 7C has a larger throat opening.
Cup Diameter
The Bach 7C has a cup diameter of 24.75 mm compared to 24.50 mm on the Giardinelli 6M — a difference of +0.25 mm. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Giardinelli 6M has a medium cup while the Bach 7C has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Throat Diameter
The Bach 7C has a wider throat (5.85 mm vs 5.75 mm). 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.