Which has a bigger cup — Curry 3 C. or GR Technologies 66MS?

The Curry 3 C. has a cup diameter of 16.89 mm / 0.6650 in compared to 16.76 mm / 0.6598 in on the GR Technologies 66MS — a difference of 0.13 mm / 0.0052 in. A wider cup generally produces a fuller, darker tone but requires more air support.

Curry 3 C. vs GR Technologies 66MS

Name: GR Technologies 66MS
Brand: GR Technologies

The Curry 3 C. has a wider cup diameter.

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

How deep the cup is, from shallow (brighter, easier high register) to deep (darker, fuller sound).

Mouthpiece A

Curry 3 C.

• Trumpet

Cup depthMedium

Mouthpiece B

GR Technologies 66MS

• Trumpet

Cup depthMedium

Cup Depth

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

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 Curry 3 C. details GR Technologies 66MS details Curry 3 C. equivalents GR Technologies 66MS equivalents

Curry 3 C. vs GR Technologies 66MS

Cup Depth

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

Compare Curry 3 C. with others

Compare GR Technologies 66MS with others

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