The Sigma Acoustic features a solid Sitka Spruce top with layered back and side panels to deliver dark, warm tones that gain more character over time. The Mahogany construction offers a tone that has plenty of presence in the midrange, creating thick, dynamic mid frequencies. The Spruce top provides a broad dynamic range, creating crisp articulations and powerful tones.
The Sigma JM-SG45 Electro Acoustic Guitar incorporates the unique and powerful Fishman Sonicore onboard pre-amp system which provides crisp, untainted and accurate reproduction of the iconic Sigma guitar tone. With rotary controls for volume and tone, the soundhole mounted preamp in all the essential features allowing you to plug in and play through any amplifier, PA or DI box without the need of additional tonal shaping tools.