About the Model 36KW The King sousaphone is a standard sousaphone that is durable and economical for any school. It has a slightly smaller bore than the 20K and also has a removable valve section for ease of repair. This Conn sousaphone is a standard sousaphone that is durable and economical for any school. It has a slightly smaller bore than the 20K and also has a removable valve section for ease of repair and cleaning. The fiberglass bell and body provide a lightweight, lower cost alternative to an all-brass horn. Nickel plated pistons provide smooth, quick action and unmatched durability. Heavy duty wheeled case. Available without case as model 36K.
