Yamaha YEP-642II Neo Series Compensating Euphonium Silver
YEP-642II Neo Series Compensating Euphonium Silver. Professional Euphonium; key of Bb/F; compensating system; 3 top action and 4th side action monel pistons; .591"-.661" bore; 11.8" upright; two-piece yellow brass bell; large shank mouthpiece receiver, EPC-62 case, L51 mouthpiece