Which has a bigger cup — Bob Reeves 43/SV/692sL or Giardinelli 3S?

The Bob Reeves 43/SV/692sL has a cup diameter of 17.07 mm / 0.6720 in compared to 17.00 mm / 0.6693 in on the Giardinelli 3S — a difference of 0.07 mm / 0.0028 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bob Reeves 43/SV/692sL and Giardinelli 3S?

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

Bob Reeves 43/SV/692sL vs Giardinelli 3S

Name: Giardinelli 3S
Brand: Giardinelli

The Bob Reeves 43/SV/692sL has a wider cup diameter.

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

Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.

Mouthpiece A

Bob Reeves 43/SV/692sL

• Cornet

Material—

Mouthpiece B

Giardinelli 3S

• Cornet

Material—

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.