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

The GR Technologies 67FL 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 67FL?

Both mouthpieces share a medium cup depth, so the sound character from depth alone will be very similar.

Denis Wick SFL vs GR Technologies 67FL

Name: GR Technologies 67FL
Brand: GR Technologies

The GR Technologies 67FL has a wider cup diameter.

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

The taper behind the throat leading to the shank. Affects projection and tone character.

Mouthpiece A

Denis Wick SFL

• Flugelhorn

Backboreopen

Best suited for

🎵All-round versatile — balanced cup for general playing

📣High-volume projection — open throat for power

Mouthpiece B

GR Technologies 67FL

• Flugelhorn

Backbore—

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 67FL

Playing Characteristics

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