Which has a bigger cup — Bob Reeves Piccolo 40/SV/692 or Yamaha TR-14B4?

The Yamaha TR-14B4 has a cup diameter of 16.85 mm / 0.6634 in compared to 15.88 mm / 0.6252 in on the Bob Reeves Piccolo 40/SV/692 — a difference of 0.97 mm / 0.0382 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bob Reeves Piccolo 40/SV/692 and Yamaha TR-14B4?

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

Bob Reeves Piccolo 40/SV/692 vs Yamaha TR-14B4

Name: Yamaha TR-14B4
Brand: Yamaha

The Yamaha TR-14B4 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

Bob Reeves Piccolo 40/SV/692

• Trumpet

Rim width—

Best suited for

🎺Lead / commercial — shallow cup for brightness and range

Mouthpiece B

Yamaha TR-14B4

• 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.

Open in interactive tool + Add third mouthpiece Bob Reeves Piccolo 40/SV/692 details Yamaha TR-14B4 details Bob Reeves Piccolo 40/SV/692 equivalents Yamaha TR-14B4 equivalents

Bob Reeves Piccolo 40/SV/692 vs Yamaha TR-14B4

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

Compare Bob Reeves Piccolo 40/SV/692 with others

Compare Yamaha TR-14B4 with others

Popular Trumpet comparisons

Bob Reeves vs Yamaha

Browse by specification