Air Seal System for Superior Shells The use of the original Air Seal System is, in part, responsible for the superior quality found in Yamaha drum shells. Select woods are cut into plies, positioned with staggered diagonal seams, and sealed together with evenly distributed air pressure. The resulting shells are perfectly round and of uniform thickness, delivering superior tone quality and exceptional durability. All Maple Shell The warm characteristic that maple offers is enhanced with the Air Seal System process. Select maple wood is cut in plies, positioned with staggered diagonal seams, and sealed together with evenly distributed air pressure. This process ensures that every drum shell is in round and of uniform thickness. It also provides superior tone quality and durability. Lugs The revolutionary design of the quick-release, minimal-contact lug casings found on the Absolute Nouveau series are fixed to the drum shell by snapping onto a post that is anchored at the nodal point. This allows the drum to vibrate freely. They allow the heads to be changed in less time and reduce the risk of losing tension rods or washers. A special nylon insert prevents tension rods from becoming loose during play.

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