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Denis Wick 4F vs GR Technologies 66.5FL Almeida

The GR Technologies 66.5FL Almeida has a wider cup diameter, the Denis Wick 4F features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
    Denis Wick 4F
    • Flugelhorn
    Cup diameter16.50 mm / 0.6496 in
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      GR Technologies 66.5FL Almeida
      • Flugelhorn
      Cup diameter16.89 mm / 0.6650 in

      Cup Diameter

      The GR Technologies 66.5FL Almeida has a cup diameter of 16.89 mm / 0.6650 in compared to 16.50 mm / 0.6496 in on the Denis Wick 4F — a difference of 0.39 mm / 0.0154 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.

      Open in interactive tool + Add third mouthpiece Denis Wick 4F details GR Technologies 66.5FL Almeida details Denis Wick 4F equivalents GR Technologies 66.5FL Almeida equivalents

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      Compare GR Technologies 66.5FL Almeida with others

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