Yamaha’s Custom series tubas are used by many of the world’s greatest artists. Featuring a broad warm sound, yet with a pure & focused tonal center, they can be heard in some of the top orchestras as well as on a majority of important recordings. They offer precise intonation & a comfortable, balanced response which is consistent in all registers. Meticulously h&-crafted by experienced artisans the Custom series represent the pinnacle of the ‘ Art of the Tuba’. The YCB-861 offers a warm deep sound with an abundance of tonal colors, & excellent intonation. * In C * 4/4 size * Front action valves: 5 rotors * Bell: 450mm (17-3/4) * Bore: 20.7mm (0.815) * Finish: Clear lacquer * Mouthpiece: 67C4