Product Overview
Wedge two part backbores consist of an upper section, which can be regular or heavy weight, and a lower shank that can be of different lengths to adjust the gap, or for improving the pitch on a C trumpet. The two part systems provided great versatility in adjusting the backbore to your specific needs.
Large - This is our largest backbore, similar to a Bach 24. This produces a broad orchestral sound when paired with the appropriate top.
THROAT - #27
