בריטון 4 שסתומיםCerveny CEP531-4-0   Key: Bb Valves: 4 rotary valves Material: Yellow brass Bore: 16,2 mm (.638″) Bell: 300 mm (11,8″) Height: 800 mm (31,4″) Weight: 3480 g (7,6 lbs) Mouthpipe: Nickel silver Finish: Lacquered Outfit: Silver-plated mouthpiece, hard case