Yamaha s Air Seal System shell ensures a perfectly round shell for a lifetime A 45 degree bearing edge Air Seal System hoop provide accurate tuning Lug casings reinforced with a zinc, die cast construction for high tension tuning Nylon and steel washers to minimize friction A 9 ply Birch shell for a lightweight design Steel claw hooks with a solid rib design to ensure shape retention and eliminate excess stress Sound Impact Strips eliminate unwanted overtones and prod
A 45 degree bearing edge
Air Seal System hoop provide accurate tuning
Lug casings reinforced with a zinc, die cast construction for high tension tuning