Sigma GME – Grand Jumbo Acoustic‑Electric Guitar

The Sigma GME is a full-scale Grand Jumbo acoustic-electric guitar offering bold projection and rich tonal depth. With a solid Sitka spruce top and laminated mahogany back & sides, it delivers powerful resonance and balanced clarity—ideal for strumming and stage performance. A low-profile mahogany neck, Micarta fingerboard & bridge, and bone nut & saddle ensure smooth playability and long sustain. The onboard Sigma preamp with built-in tuner and tone controls makes it instantly stage-ready. Finished in satin with chrome die-cast tuners, this visually striking jumbo combines vintage tone with modern playability and reliability.

Specifications:

• Body Size: Grand Jumbo – 14-fret neck joint

• Construction: Dovetail neck joint

• Top: Solid Sitka Spruce

• Back & Sides: Laminated Mahogany

• Neck: Mahogany, Low Profile

• Fingerboard & Bridge: Micarta

• Scale Length: 25.4″ (645 mm)

• Nut Width: 42.9 mm (1‑11/16″)

• Nut & Saddle: Bone (Compensated Saddle)

• Frets: 20

• Truss Rod: Two‑Way Adjustable

• Electronics: Sigma Preamp with Built‑In Tuner and Tone Controls

• Tuners: Chrome Die‑Cast

• Finish: Satin PU‑Lacquer

• Strings: D’Addario EXP16