Jupiter JEP1000 Performance Series 4-Valve Euphonium Lacquer - The Jupiter JEP1000 Series offers an instrument that is easy to control and has excellent projection. This non-compensating euphonium features 4 top-action stainless steel valves for smooth action. removable valve section allows maintenance repairs. .570" bore 11" bell make this a great choice the advancing player. A favorite of players educators alike, series includes case mouthpiece available in lacquer or silver plate finish.Available models JEP1000S finishRemovable repairFour valvesSmall shank receiver band-and-orchestra, Euphoniums, Intermediate Euphoniums