The Sigma GTCE is a grand orchestra-style (Grand OM-14 fret) acoustic-electric guitar featuring a cutaway body, a solid Sitka spruce top, and Tilia (basswood family) back and sides. 

Body Size:  Grand OM-14 Fret, Cutaway
Construction: Dovetail Neck Joint
Top:  Solid Sitka Spruce
Back & Sides:  Tilia
Neck:  Mahogany, Low Profile
Nut & Saddle:  Bone
Fingerboard & Bridge:  Micarta
Scale Length:  25.4” (645 mm)
Neck width at nut:  1-3/4” (44,5 mm)
Headstock inlay: Abalone, torch pattern
Truss Rod: Two way Truss Rod
Tuning Machines:  Chrome, diecast
Electronics:  Sigma Preamp (with Tuner)
Finish: Satin