Jupiter JEP1120S 4-Valve Compensating Euphonium (Silver-Plated)The JEP1120S euphonium features a traditional 3+1 valve configuration with compensating system. The hand crafted 12. 2" yellow brass bell produces a warm, resonant tone with great clarity and focus. JEP1120S is suitable for all performance applications. Features Silver Plated Brass Body is made from the highest quality brass and finished with a bright silver plate ensuring fine playability and tonal brilliance Stress free assembly facilitates improved