About the Model 20KSB
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.
Historic design in sousaphones, 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. Satin silver finish.