Medium-sharp Edge, Vivid and Full Tones With their finely crafted designs and seemingly endless size and shape combinations to fit every unique embouchure, its only natural that students and professionals the world over trust their tone to Bach Trumpet Mouthpieces. Bachs 5B Trumpet Mouthpiece is no exception, sporting a medium-depth cup with a 16.25mm diameter and a medium-wide rim thats lowered toward the outside with a medium-sharp edge. This construction is tailor-made for players searching for a mouthpiece with a precise rim, fairly large cup, and a tone thats both vivid and full. When it comes to meeting the uncompromising demands of whatever piece youre playing, Bach Trumpet Mouthpieces will consistently deliver.Top-performing mouthpieces for players of all skill levels From a young age, Vincent Schrotenbach showed a natural talent for instruments of all kinds, and was subsequently drawn to the trumpet in his teenage years. After immigrating to the U.S.