Sigma GMC-1E elektroakustinen kitara 

Body Size: Grand OM-14 Fret, Cutaway
Construction: Dovetail Neck Joint
Top: Solid Sitka Spruce
Back & Sides: Mahogany
Neck: Mahogany, Low Profile
Nut & Saddle: Bone
Fingerboard: Micarta
Scale Length: 25.4” (645 mm)
Neck width at nut: 1-3/4” (44,5 mm)
Tuning Machines: Chrome, diecast
Electronics: Fishman Presys II (with Tuner)
Finish: High Gloss
Strings: D´Addario EXP16