SIGMA GUITARS Series Se Gme
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Manufacturer Information
Sigma
https://www.sigma-guitars.com
hankins@sigma-guitars.com
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SAICO SAS
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A Grand OM Designed for Balance and Versatility
With the GME, Sigma relies on a proven formula: a highly versatile Grand OM format combined with a solid top for responsiveness, and mahogany for warmth. This combination positions the GME as a folk guitar capable of covering a wide range, from pick playing to fingerpicking, while remaining comfortable over long sessions. The natural satin finish enhances the "wood" feel to the touch and gives the instrument a sober, effective, and timeless aesthetic.
For Whom and Which Styles?
The Sigma GME is aimed both at the serious beginner guitarist seeking an expressive first folk guitar and at the intermediate level player wanting a reliable guitar for band playing or recording. The Grand OM format excels in pop, folk, variety, country, and vocal accompaniment, with a response precise enough for fingerstyle. Its wider nut promotes right-hand comfort and note separation in arpeggios.
Sound Characteristics
The solid Sitka spruce top delivers a clear attack, a great dynamic range, and projection that remains clear as intensity increases. The mahogany back and sides balance everything with warm mids and more controlled lows, ideal for maintaining definition in the mix. The Grand OM format offers a very musical compromise: enough volume for accompaniment while preserving precise articulation for playing nuances. The bone components (according to supplier information: nut and "bridge") contribute to good vibration transmission, with natural sustain and a crisper attack.
Recommended Compatible Accessories
To make the most of its folk format, this guitar is compatible with steel string acoustic guitar sets (common examples: light to medium gauge depending on your touch). If you use a capo, opt for a folk guitar model covering a nut width of 44.5 mm / 1.75" to ensure even pressure across all strings.
Technical specifications
| Model | GME | Scale length | 25.4" / 645 mm |
| Format | Grand OM | Nut width | 44.5 mm / 1.75" |
| Top | solid Sitka spruce | Tuners | oil-bath, chrome-plated |
| Back and sides | mahogany | Nut and bridge | bone (supplier information) |
| Finish | natural satin | Preamp | Sigma EQ |
| Neck | mahogany | Tuner | built-in |
| Fingerboard | micarta | ||
Questions frequently asked
Is the Sigma GME suitable for fingerstyle and vocal accompaniment?
The Grand OM body shape combines accompaniment volume with note articulation for fingerstyle playing. The 44.5 mm nut width promotes string spacing ideal for arpeggios.
What is the body composition of the GME?
The top is made of solid Sitka spruce, while the back and sides are mahogany. This combination delivers a sharp attack, warm midrange, and controlled bass.
Does the guitar have an electro-acoustic system?
An integrated Sigma EQ preamp with a built-in tuner is included. This setup allows for amplification of the guitar and simplifies tuning.
What is the scale length of this Sigma folk guitar?
The scale length measures 645 mm, or 25.4 inches. The neck is mahogany and the fingerboard is micarta.
Which capo and strings should be used with the GME?
Steel acoustic guitar strings can be used, ranging from light to medium gauge depending on preference. For a capo, a folk guitar model covering 44.5 mm at the nut ensures even pressure. The chrome oil-bath tuners contribute to tuning stability.



