Eastman E20OM-mr-TC Madagascar Rosewood & Thermo Cured Adirondack
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Eastman
https://www.eastmanguitars.com
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An "Orchestra Model" Spirit: Tradition and Premium Finishes
With its OM (Orchestra Model) body size, this guitar follows the line of versatile acoustics designed to offer more comfort and precision without sacrificing dynamics. The combination of selected solid woods, hand-scalloped bracing, and refined appointments (herringbone purfling, abalone inlays, mother-of-pearl logo) makes it an instrument built to last, as enjoyable to play as to admire.
For Which Guitarists and Styles?
The E20OM-TC-MR is aimed at intermediate to advanced guitarists seeking an expressive and responsive acoustic. The OM format highlights playing nuances: fingerstyle, folk, blues, acoustic pop, vocal accompaniment, as well as pick playing with excellent definition. Its traditional "C" neck profile and comfortable nut width promote finger precision.
Sound Characteristics
The thermo-cured Adirondack solid spruce top delivers a lively response, plenty of dynamics, and strong performance under aggressive playing, while maintaining clarity on the attack. The solid Madagascar rosewood back and sides enrich the spectrum with ample lows, singing highs, and naturally long sustain. The hand-scalloped X bracing enhances projection and sound openness, while the ebony hardware and bone components (nuts) improve precision, stability, and vibration transmission.
Recommended Compatible Accessories
To stay as close as possible to the original setup, opt for Phosphor Bronze acoustic strings in .012 - .053 gauge (identical to the D'Addario XT Phosphor Bronze .012 - .053 set).
Technical specifications
| Format | OM | Scale length | 24.9" / 632.5 mm |
| Body dimensions | 15" / 381 mm x 4-1/4" / 108 mm | Nut width | bone 1 3/4" / 44.5 mm |
| Top | thermo-cured Adirondack solid spruce | Frets | 20 Jescar-FW43080 |
| Back and sides | solid Madagascar rosewood | Truss rod | double action |
| Bracing | hand-scalloped X bracing | Bridge/Saddle | ebony/bone |
| Rosette | classic | Bridge string spacing | 2-5/32" / 54.8 mm |
| Binding | top/back | Bridge pins | ebony with abalone inlay |
| Purfling material | herringbone | Tuners | Gotoh SXB510-06M-N |
| Body finish | gloss finish | Hardware color | nickel |
| Back and sides finish | gloss finish | Strings | D'Addario XT Phosphor Bronze .012 - .053 |
| Pickguard | tortoiseshell | Logo | mother-of-pearl headstock |
| Color options | Traditional | Inlay | abalone snowflakes |
| Neck material | mahogany | Side dot color | white |
| Neck profile | traditional "C" | Action height (12th fret) | 3/32" / 2.38 mm on bass side and 2/32" / 1.59 mm on treble side |
| Fingerboard | ebony | Truss rod wrench | 4 mm Allen |
| Fingerboard radius | 12" / 304.8 mm | Case | Hardshell Case |
Questions frequently asked
Is the Eastman E20OM-mr-TC suitable for fingerstyle?
The OM format, the nut width of 44.5 mm, and the 54.8 mm string spacing at the bridge favor finger precision. The solid Adirondack spruce top with thermal treatment provides a clear attack and dynamic response.
What sound does the solid Madagascar rosewood provide?
The solid Madagascar rosewood back and sides enrich the spectrum with full lows, singing highs, and long sustain.
What are the dimensions and neck comfort of this OM guitar?
The body measures 381 mm in width and 108 mm in depth. The mahogany neck adopts a traditional C profile, with a 632.5 mm scale length and an ebony fingerboard with a 304.8 mm radius. The action measured at the 12th fret is 2.38 mm on the bass side and 1.59 mm on the treble side.
Which strings should be installed on this Eastman OM?
The original setup uses D'Addario XT Phosphor Bronze .012-.053. Using Phosphor Bronze acoustic strings of the same gauge will keep the setup close to the specified adjustment.
Is a case provided with the guitar?
A hard Hardshell Case is included.



