Denis Wick 3 vs Kelly 6V
The Denis Wick 3 has a wider cup diameter, the Kelly 6V features a deeper cup, the Denis Wick 3 has a larger throat opening.
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
Denis Wick 3
• Cornet
Throat diameter4.57 mm / 0.1799 in
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Kelly 6V
• Cornet
Dark/DeepThroat diameter4.06 mm / 0.1598 in
Best suited for
High-volume projection — open throat for power
Deep V-cup to fill out cornet sound
Throat Diameter
The Denis Wick 3 has a wider throat (4.57 mm / 0.1799 in vs 4.06 mm / 0.1598 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.