Usually 3-5 Days. 45 Day Lowest Price - 100% Satisfaction Guarantee. Takamine's SuperNatural Series are voiced for players who appreciate brilliance and ambiance as much as depth and richness. The TAN16KOA features a solid Spruce top, solid Koa back and sides, Rosewood fingerboard, Cool Tube preamp system, and more. Includes a FREE GC1528 case!