Which has a bigger cup — Denis Wick SFL or GR Technologies 67FD?

The GR Technologies 67FD has a cup diameter of 17.00 mm / 0.6693 in compared to 16.00 mm / 0.6299 in on the Denis Wick SFL — a difference of 1.00 mm / 0.0394 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Denis Wick SFL and GR Technologies 67FD?

The GR Technologies 67FD has a deep cup while the Denis Wick SFL has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Denis Wick SFL vs GR Technologies 67FD

Name: GR Technologies 67FD
Brand: GR Technologies

The GR Technologies 67FD has a wider cup diameter, the GR Technologies 67FD features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material

Surface plating or treatment (e.g. silver plate, gold trim). Affects feel, durability, and appearance.

Mouthpiece A

Denis Wick SFL

• Flugelhorn

Finish—

Best suited for

🎵All-round versatile — balanced cup for general playing

📣High-volume projection — open throat for power

Mouthpiece B

GR Technologies 67FD

• Flugelhorn

Finish—

Best suited for

🎻Orchestral playing — large cup for full, dark tone

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.

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Denis Wick SFL vs GR Technologies 67FD

Playing Characteristics

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