Miraphone M5050 Bb-Euphonium, model Ambassador Edition, compensating system, 4 perinet valves (3+1), Ø 310 mm bell, 15,50 mm to 16,20 mm bore, nickelsilver slides, 1st and 3rd slide waterkey, goldbrass leadpipe, brass body, silver plated, small parts are gold plated, weight: 4,65 kg, height: 67 cm, width: 47 cm, incl. BT18 mouthpiece, without case