The Yamaha YEP842S Compensating Euphonium offers the professional level player a high performance instrument to meet their playing needs. The 842S features a .591-.661-inch bore compensating design for superior intonation. The 11.8-inch upright bell is made to be more responsive and the use of nickel silver slide tubes makes sure that this instrument will last a lifetime. Developed with some of the worlds finest soloists, the 842 euphonium will help make sure all musical messages are conveyed to the audience. The Yamaha YEP842S Compensating Euphonium includes a case and mouthpiece and is available in silver finish with gold trim.