Denis Wick RW3FL vs Kelly 3W-MELLO
The Kelly 3W-MELLO has a wider cup diameter, the Kelly 3W-MELLO features a deeper cup, the Denis Wick RW3FL has a larger throat opening.
Cup Diameter
The Kelly 3W-MELLO has a cup diameter of 18.54 mm / 0.7299 in compared to 16.75 mm / 0.6594 in on the Denis Wick RW3FL — a difference of 1.79 mm / 0.0705 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Kelly 3W-MELLO has a — cup while the Denis Wick RW3FL has a very deep cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Throat Diameter
The Denis Wick RW3FL has a wider throat (4.58 mm / 0.1803 in vs 4.37 mm / 0.1720 in). A wider throat allows more air through, increasing volume and projection but reducing resistance.
Material
The Denis Wick RW3FL is described as unspecified, and the Kelly 3W-MELLO as Lexan polycarbonate. Material affects mass, warmth, and how quickly the piece responds.
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.