Bob Reeves 43M Trumpet Mouthpiece
43/64" Semi-round with a soft bite. 43 rim is functionally similar to Bach 2 3/4 C, 3, 3E, 3F, and Schilke 16 rims.
Cup: M - 0.242" proprietary cup depth
Medium bowl shaped cup
Standard backbore. More centered than a Bach #10 with excellent tone color and intonation. This backbore works well on all cups. It was the 2nd backbore Bob ever made.
Standard - other sizes available.
Big band, commercial, amplified, concert band, pit orchestra. Crossover piece that is great for quasi-lead playing such as found in musicals and pops concerts.