Which has a bigger cup — Bob Reeves 40/S/692s or GR Technologies 62S?

The Bob Reeves 40/S/692s has a cup diameter of 15.88 mm / 0.6252 in compared to 15.75 mm / 0.6201 in on the GR Technologies 62S — a difference of 0.13 mm / 0.0051 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bob Reeves 40/S/692s and GR Technologies 62S?

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

Bob Reeves 40/S/692s vs GR Technologies 62S

Name: GR Technologies 62S
Brand: GR Technologies

The Bob Reeves 40/S/692s has a wider cup diameter.

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

The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.

Mouthpiece A

Bob Reeves 40/S/692s

• Trumpet

Throat diameter—

Best suited for

🎺Lead / commercial — shallow cup for brightness and range

Mouthpiece B

GR Technologies 62S

• Trumpet

Throat diameter—

Best suited for

🎺Lead / commercial — shallow cup for brightness and range

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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Bob Reeves 40/S/692s vs GR Technologies 62S

Playing Characteristics

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