Compensated B-flat euphonium, JUPITER XO ??series model 1270. Lacquered finish. Key: B-flat. Graduated bore from 15 mm to 16.8 mm. 310 mm bell. Bell material: yellow brass. Vertical bell position. Four stainless steel valves. Valve positions: 3 top + 1 side. The Jupiter XO 1270 features a compensated tuning system and is notable for the precision of its action, with stainless steel pistons and the WATER COLLECTION detachable valve system.
