The Advanced Acoustic series represents a significant step forward in the long and storied tradition of the acoustic guitar. Designed from the ground up to deliver a richer and brighter, tone with an unprecedentedly wide dynamic range, these instruments offer a fully reimagined acoustic experience. The reinvented design achieves a superb, powerful sound, and thanks to the extensive consideration given to ergonomics, these instruments are extremely comfortable to play. The Advanced Acoustic series pushes the acoustic guitar to new heights, promising an exciting new experience for all players. Specifications SeriesAAD Number of strings12 ColorOpen Pore Natural Body shapeGrand Dreadnought Body topSolid Sitka Spruce Body sidesOkoume Body backOkoume Body finishSatin Polyurethane Soundhole rosetteWooden Multi BracingX-M Bracing NeckThermo Aged™ Nyatoh Scale (mm)651 Neck typeLow Oval Grip with Rounded Fretboard Edge Neck thickness (1st fret, mm)22,5 Neck thickness (7th fret, mm)23 Neck finishSatin Polyurethane Neck jointDovetail Neck joint position14th fret joint NutPlastic Nut width (mm)48 End width (mm)60 FretboardOvangkol Fretboard radius (mm)400 InlayWhite dot Number of frets20 Other pickupIbanez AP11 Magnetic PreampIbanez Custom Electronics w/ Volume and Tone Control Controls, pickup selector1 Volume, 1 Tone Output jack1/4" Endpin Jack BridgeOvangkol scalloped SaddlePlastic String spacing (mm)11 Bridge pinsIbanez Advantage™ Machine headsChrome Die-cast tuners (18:1 gear ratio) String gauges (from top to bottom).010/.010/.014/.014/.023/.008/.030/.012/.039/.018/.047/.027 Special feature 1Grand Dreadnought body Special feature 2X-M Bracing Special feature 3Functional Tapered Headstock Made inChina Recommended caseIAB540-BK Other item(s) includedHex wrench, Bridge pin Total length (mm)1077 Body length (mm)515 Body Width (mm)412,4 Body thickness (mm)125