The Conn 20K is the brass version of the "original" sousaphone. This large bore sousaphone has the most sought after sound for the marching field. Ergonomically friendly as well as improved bracing over time for the demands of todays marching activity. Instrument only.
The Conn 20K originated from the concepts of John Philip Sousa in the early 1900's. This large bore .734" with a 26" bell sousaphone offers great ergonomics and durability. Improved bracing along with short action, offset pistons offers great versatility for any sousaphone section. The Conn 20KSP comes in a silver plated finish but it otherwise identical to the 20K.