Yamaha MB6300 Marching Drum Powerlite Series - WhiteSize lineup Available in 16", 18", 20", 22", 24", 26", 28'' inches. Birch ply shell The birch ply shell provides a sharp attack with a full tone as well as shell strength in a lightweight design. New badge design New badge design offers a noble look. Heads with ring mute Heads incorporate a ring mute on the inner surface of the head to eliminate unwanted overtones and deliver greater sustain. For non competitive marching programs requiring less weight