SIGMA GUITARS Omt-28H
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- This item is covered for 3 years
Essential Information About the OMT-28H Guitar
Essential Information About the OMT-28H Guitar
- Orchestra Model Format: a comfortable, precise, and balanced body, ideal for fingerstyle playing as well as accompaniment.
- Solid Sitka Spruce Top: clear attack, beautiful dynamics, and excellent projection.
- Bone Nut and Saddle: better vibration transmission, richer sustain, and enhanced note-by-note definition.
- Refined Vintage Look: "chevrons" binding and glossy natural finish, complemented by nickel-plated open Grover tuners.
Manufacturer Information
Sigma
https://www.sigma-guitars.com
hankins@sigma-guitars.com
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Safety manager:
SAICO SAS
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An Orchestra Model Designed in the Spirit of Traditional Folk Guitars
The Orchestra Model format has become a standard for guitarists seeking a versatile folk guitar capable of remaining clear in a mix while offering excellent responsiveness to nuances. With its "chevrons" aesthetic (often associated with classic finishes) and open tuners, the OMT-28H clearly fits within this lineage: a timeless style guitar focused on balance, precision, and playing comfort.
For Which Guitarists and Styles?
The OMT-28H is well suited for intermediate guitarists looking for an expressive folk guitar, as well as motivated beginners seeking a serious instrument from the start. The OM format highlights fingerstyle, pop, folk, blues, and chordal playing with great clarity. Its long scale length provides slightly firmer string tension, appreciated for open chords that "hold" and crisp pick attacks.
Sound Characteristics
The solid Sitka spruce top is the acoustic heart of the instrument: it promotes precise attack, a wide dynamic range, and solid projection, with clear highs and good volume reserve when playing louder. The tilia back and sides offer generally even response, with smooth mids and a balanced character that emphasizes musicality over aggressiveness. The Orchestra Model format, narrower than a dreadnought, helps maintain excellent string-to-string definition, very pleasant for arpeggios. Finally, the bone nuts and saddle enhance attack precision and sustain, while the micarta fingerboard provides a smooth and stable feel, conducive to fluid playing along the entire neck.
Recommended Compatible Accessories
To get the most out of this folk guitar, you can pair it with universal accessories such as a tuner, a guitar stand, a set of picks suited to your attack, and a humidifier (useful for preserving the instrument during dry periods).
Technical specifications
| Model | OMT-28H | Nut | bone |
| Format | Orchestra Model | Saddle | bone |
| Top | solid Sitka spruce | Scale length | 25.4" / 645 mm |
| Back and sides | tilia | Nut width | 44.5 mm / 1.75" |
| Binding | chevrons | Tuners | Grover open nickel-plated |
| Neck | mahogany | Finish | glossy natural |
| Fingerboard | micarta | ||
Questions frequently asked
Is the Sigma Guitars OMT-28H suitable for fingerstyle?
The Orchestra Model body shape enhances string-to-string clarity, especially suited for fingerpicking and fingerstyle. The solid Sitka spruce top delivers precise attack and a wide dynamic range.
What are the scale length and nut width?
The scale length is 25.4 inches (645 mm), with a nut width of 44.5 mm (1.75 inches). This setup provides a firmer string tension, favored for open chords and pick attack.
What woods make up this folk guitar?
The top is solid Sitka spruce, while the back and sides are made of basswood. The neck is mahogany and the fingerboard is micarta.
Does the guitar feature bone nuts?
Both the nut and saddle are made from bone. This material contributes to precise attack and sustain.
What tuning machines are fitted on this model?
The instrument is equipped with nickel-plated Grover open-gear tuners, paired with a natural gloss finish and a herringbone binding.



