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Martin OM21 Special Acoustic Guitar

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Historically, 21 styling has represented the most simple appointments offered with rosewood back and sides and a spruce top. The OM-21 Special closely replicates this plain but beautiful style by blen... Click To Read More About This Product

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Historically, 21 styling has represented the most simple appointments offered with rosewood back and sides and a spruce top. The OM-21 Special closely replicates this plain but beautiful style by blending rosewood bindings, a fine patterned Herringbone rosette, a nitrate tortoise pickguard and ebony fingerboard and pyramid bridge. The result is a stunning guitar that pays homage to the Golden Era styling.


  • Construction: Mahogany Blocks/Dovetail Neck Joint
  • Body size: 000-14 Fret
  • Top: Solid Sitka Spruce
  • Rosette: Fine Herringbone
  • Top bracing pattern: Standard X Scalloped
  • Top braces: Solid Sitka Spruce 1/4''
  • Back material: Solid East India Rosewood
  • Back purfling: Fine Herringbone
  • Side material: Solid East India Rosewood
  • Endpiece: Solid Black Ebony
  • Endpiece inlay: Maple
  • Binding: Solid East India Rosewood
  • Top inlay style: Black/Maple/Black Fiber
  • Side inlay: None
  • Back inlay: Maple
  • Neck material: Select Hardwood
  • Neck shape: Low Profile
  • Nut material: Bone
  • Headstock: Solid/Square Taper
  • Headplate: Solid East India Rosewood w/ Large Old-Style Logo
  • Heelcap: Solid Black Ebony
  • Fingerboard material: Solid Black Ebony
  • Scale length: 25.4
  • # of frets clear: 14
  • # of frets total: 20
  • Fingerboard width at nut: 1-3/4''
  • Fingerboard width at 12th fret: 2-1/4''
  • Fingerboard position inlays: Abalone Squares
  • Fingerboard binding: None
  • Finish back & sides: Polished Gloss
  • Finish top: Polished Gloss w/Vintage Toner
  • Finish neck: Satin
  • Bridge material: Solid Black Ebony
  • Bridge style: Pyramid w/ Drop-in Saddle
  • Bridge string spacing: 2-5/16"
  • Saddle: 16" radius/ Compensated/Bone
  • Tuning machines: Gotoh Nickel w/ Open-Geared
  • Recommended strings: Martin MSP 4100 Phosphor Bronze
  • Bridge & endpins: Black Ebony w/ Grained Ivoroid Dots
  • Pickguard: Tortoise Color
  • Case: 533E Geib style
  • Interior label: None
Pro Coverage
Manufacturer's Warranty
One year warranty on Martin Backpackers, Little Martins and Ukuleles. Limited lifetime on other Martin guitars.

Customer Reviews
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Review Snapshot

by PowerReviews

(based on 2 reviews)

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Reviewed by 2 customers

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(14 of 18 customers found this review helpful)


amazing guitar!!!!

By Brandon Lanning

from Dayton, Ohio

I recently received one of these guitars. I have tried out hundreds of acoustic guitars and none come close to having the dynamics of this guitar. The only thing that came close was a Collings, which are twice the price. This thing is perfect, the only thing that I can think of that people who use open tunings without a capo will not like this guitar. The bracing in this guitar is super light and brittle and cannot withstand tuning your strings up and will snap the bracing. So tune down and use a capo! other than that this guitar is simply amazing..

(13 of 13 customers found this review helpful)


OM-21 Special is a feast for the senses.


from Woodland, California

My new OM-21 special acoustic guitar is the most beautiful, magnificent guitar I have ever owned. It replaces another OM-21 that was stolen from my home. I loved that guitar, and thought I would never find one I could love more, but I have. This guitar sounds wonderful, feels wonderful, looks beautiful, and even smells inspirational feast for the senses. Everything written about it is is a "stunning" guitar in every way.

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