Which has a bigger cup — Bob Reeves 43.5/S/69 or Giardinelli 1VS?

The Giardinelli 1VS has a cup diameter of 17.50 mm / 0.6890 in compared to 17.26 mm / 0.6795 in on the Bob Reeves 43.5/S/69 — a difference of 0.24 mm / 0.0094 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bob Reeves 43.5/S/69 and Giardinelli 1VS?

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

Bob Reeves 43.5/S/69 vs Giardinelli 1VS

Name: Giardinelli 1VS
Brand: Giardinelli

The Giardinelli 1VS 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

Bob Reeves 43.5/S/69

• Cornet

Backbore69

Mouthpiece B

Giardinelli 1VS

• Cornet

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.