Featuring a solid spruce top and flame maple back and sides, the GJ72CE produces all the volume and robust sound that players expect from a jumbo guitar. The slim mahogany neck and 12”-radius bound laurel fingerboard provide great feel and playability, while the onboard Takamine TK-40D preamp system gives you a built-in tuner, three-band EQ and gain controls, mid contour switch, notch filter and EQ bypass switch for the ultimate in versatility and sound quality. Other great features include a synthetic bone nut and split bridge saddle, laurel headcap, abalone rosette, abalone reversed mountain inlay at the 12th fret, gold die-cast tuners with pearl buttons, and a beautiful gloss finish.  Specifications Top: Solid Spruce Back: Flame Maple Sides: Flame Maple Neck: Maple Finger Board: Laurel Nut Width: 1.6875 (42.8 mm) Electronics: N/A Finish: Brown Sunburst