YAMAHA YSL-640 Tenor Bass Trombone Medium Tube Yellow Brass Bell
Description
・YSL-456G...Bell gold brass, slide outer tube material yellow brass, gold lacquer finish, dual bore, bell size 204mm・YSL-640...Bell/slide outer tube material yellow brass, gold lacquer finish, medium narrow tube, bell size 214mm・YSL-620...Bell/slide outer tube material: yellow brass, gold lacquer finish, thick tube, bell size 214mmThere is a 300 series tenor trombone, but it is not in the tenor bass trombone lineup.