The Yamaha YBB-321/321S is an excellent choice for those who demand a high quality BBb tuba sound, yet must consider their budget. It features a strong warm tone, and is easy to play, with accurate intonation.
Body: Yellow brass
Bell Diameter: 443mm (17 1/2")
Bore Size: 18.5-19.5mm (0.728-0.768")
Valves: 4 top pistons
Finish: Clear lacquer / Silver-plated