Which has a bigger cup — Bach 3C or Bob Reeves Piccolo 42/M/69?

The Bob Reeves Piccolo 42/M/69 has a cup diameter of 16.67 mm / 0.6563 in compared to 16.30 mm / 0.6417 in on the Bach 3C — a difference of 0.37 mm / 0.0146 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 42/M/69?

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

Bach 3C vs Bob Reeves Piccolo 42/M/69

Name: Bob Reeves Piccolo 42/M/69
Brand: Bob Reeves

The Bob Reeves Piccolo 42/M/69 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

Bach 3C

• Trumpet

Backbore—

Best suited for

🎵All-round versatile — balanced cup for general playing

Mouthpiece B

Bob Reeves Piccolo 42/M/69

• Trumpet

Backbore69

Best suited for

🎵All-round versatile — balanced cup for general playing

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 42/M/69

Playing Characteristics

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