$Product details The JP374 Sterling is JP's flagship 4 valve fully compensating professional level Bb Euphonium. Created in collaboration with Paul Riggett of Sterling Brass, the JP374 Sterling represents a fusion of professional level Sterling components and design with the affordability and durability normally associated with the JP brand. Unique benefits The JP374T Sterling Bb Trigger Euphonium features: ---Constructed from high grade 80:20 brass throughout ---exclusively designed trademark Sterling leadpipe ---12" bell for superior sound projection ---Easier and more ergonomic tuning with the addition of a tuning slide Trigger ---Fully compensating ---3+1 bottom sprung valve system enabling an alternative fingering system With high quality components and a Pedigree many other makers ca.