Bach Back Trumpet Mouthpiece [Symphonic] 1C2524 Silver Plated Finish S6511C5

Bach's trumpet mouthpiece is the most commonly used in the world. Special mouthpieces that were previously available only by custom order are now available as the [Symphonic] series. As the name "symphonic" suggests, it is a popular specification for orchestras and soloists. Cup: 1C (Diameter 17.00mm/Depth: M/Rim: Medium). The large diameter and medium cup size makes it suitable for all-round use. Throat: No.25 (3.81mm). You can blow more air straight than the normal 27 (3.66mm). Backbore: No.24 “Symphonic” Dark and loud sound. Standard backbore for A cup. The most popular size for special mouthpieces.