Which has a bigger cup — Bach 3C or Bob Reeves Piccolo 43/M/2?

The Bob Reeves Piccolo 43/M/2 has a cup diameter of 17.07 mm / 0.6720 in compared to 16.30 mm / 0.6417 in on the Bach 3C — a difference of 0.77 mm / 0.0303 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 3C and Bob Reeves Piccolo 43/M/2?

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

Bach 3C vs Bob Reeves Piccolo 43/M/2

Name: Bob Reeves Piccolo 43/M/2
Brand: Bob Reeves

The Bob Reeves Piccolo 43/M/2 has a wider cup diameter.

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

The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.

Mouthpiece A

Bach 3C

• Trumpet

Rim width—

Best suited for

🎵All-round versatile — balanced cup for general playing

Mouthpiece B

Bob Reeves Piccolo 43/M/2

• Trumpet

Rim width—

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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Bach 3C vs Bob Reeves Piccolo 43/M/2

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