Allora 400 Series instruments provide great quality at an affordable price and are perfect for schools and advancing students. The A59-450 Sousaphone features a 0.689" bore and a 26" bell, and its remarkable tone and playability make it a perfect addition to any marching ensemble. It comes ready to play with a mouthpiece and hardshell case, and the three year limited warranty means Allora stands behind every instrument.