SIGMA GUITARS Sg Series Gjm-Sge Grand Jumbo Sunburst
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- This item is covered for 3 years
Essential Information About the Sigma GJM-SGE Guitar
Essential Information About the Sigma GJM-SGE Guitar
- Grand Jumbo Body for generous projection, ideal for accompaniment and pick playing.
- Solid Sitka Spruce Top: precise attack, beautiful dynamics, and good volume reserve.
- Mahogany Back and Sides: warm midrange, rounded bass, and natural balance for vocals.
- Sigma SE-PT Electronics with Built-in Tuner for easy transition from home to stage.
Manufacturer Information
Sigma
https://www.sigma-guitars.com
hankins@sigma-guitars.com
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SAICO SAS
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An Electro-Acoustic Grand Jumbo Designed for "Large Format" Playing
The GJM-SGE embodies the spirit of Grand Jumbo guitars: a large body designed to deliver air and depth, with a strong presence in the mix. With its satin sunburst finish, it aims for a sober and modern aesthetic while staying focused on the essentials: effective luthiery and practical amplification.
For Which Guitarist and Styles?
This electro-acoustic is particularly suited for beginner to intermediate guitarists seeking an expressive instrument, easy to use for both strumming and fingerpicking, and powerful enough to play without effort. The Grand Jumbo format is well suited to pop, acoustic rock, country, and folk, especially if you enjoy clear pick attacks and strong accompaniment.
Sound
The solid Sitka spruce top provides a quick response and good note definition: the more you play, the more the guitar can open up and gain nuance. The combination with the mahogany back and sides enhances the midrange and gives a warm character, with rounded lows and a clear treble. The Grand Jumbo format favors projection and breadth, helping to fill the sonic space in vocal-guitar settings. The bone nuts contribute to vibration transmission and attack precision, while the micarta fingerboard offers a smooth feel and good daily stability.
Technical specifications
| Model | GJM-SGE | Scale length | 25.4" / 645 mm |
| Format | Grand Jumbo | Nut width | 42.9 mm / 1.69" |
| Top | solid Sitka spruce | Nuts | bone |
| Back and sides | mahogany | Tuners | chrome oil-bath |
| Finish | satin sunburst | Preamp | Sigma SE-PT |
| Neck | mahogany | Tuner | built-in |
| Fingerboard | micarta | ||
Customer reviews
Based on 2 reviews
- 5 stars, 2 reviews
- 4 stars, 0 reviews
- 3 stars, 0 reviews
- 2 stars, 0 reviews
- 1 star, 0 reviews
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Great guitar nothing to say! At this price, it's tearing up, big brands have something to worry about.
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Great guitar in line with expectations deadlines respected bravo woodbrass
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Questions frequently asked
Is the Sigma GJM-SGE suitable for strumming and singing with guitar?
The Grand Jumbo body shape promotes projection and fullness, which is beneficial for sustained accompaniment. The solid Sitka spruce top offers a quick response, while the mahogany enhances the midrange frequencies.
What preamp does this Grand Jumbo Sigma feature?
This guitar is equipped with a Sigma SE-PT preamp featuring an integrated tuner. Tuning can thus be managed directly from the instrument.
What is the neck width of the GJM-SGE?
At the nut, the width is 42.9 mm (1.69 inches). The scale length measures 645 mm, or 25.4 inches.
Is the top of the Sigma GJM-SGE solid wood?
The top is made of solid Sitka spruce. The back and sides are mahogany, offering a warm character and rounded bass tones.
What finish and fingerboard materials are used?
The finish is a satin sunburst, and the fingerboard is made of micarta. The bone nuts contribute to vibration transfer and attack precision.



