Martin OM-21, Ambertone

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  • High Performance Neck
  • Solid East Indian Rosewood Back And Sides
  • Sitka Spruce Top
  • Polished Gloss Finish
  • Hand-Fit Dovetail Neck

Martin OM-21, Ambertone


The Martin OM-21 has a sleek and modern High Performance Neck, making it a great model to play. It is constructed of solid East Indian rosewood back and sides, with a Sitka spruce top, polished gloss finish and hand-fit dovetail neck that is wider to accommodate fingerstyle players.

Product Ref: 44319

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Body & Bridge

  • Construction: Mahogany Blocks/Dovetail Neck Joint
  • Body Size: 000-14 Fret
  • Top: Solid Sitka Spruce
  • Rosette: Style 28
  • Finish Back & Sides: Polished Gloss
  • Back Material: Solid East Indian Rosewood
  • Back Purfling: Style 18
  • Side Material: Solid East Indian Rosewood
  • Endpiece: Tortoise Color
  • Binding: Tortoise Color
  • Bridge Material: Solid Black Ebony
  • Bridge Style: Solid Black Ebony

Neck & Fingerboard

  • Neck Material: Select Hardwood
  • Neck Shape: Modified Low Oval Profile w/ Performing Artist Taper
  • Fingerboard Material: Solid Black Ebony
  • Scale Length: 25.4''
  • Number Of Frets Total: 20
  • Fingerboard Position Inlays: Style 28
  • Finish Neck: Satin


  • Tuning Machines: Nickel Open-Geared w/ Butterbean Knobs
  • Recommended Strings: Martin Studio Performance Lifespan Phosphor Broze Light Gauge (MSP7100)
  • Bridge & End Pins: Black w/ White Dots
  • Pickguard: Delmar Tortoise Color

Please note: Martin do not ship their guitars with the strap button installed on the bottom of the guitar. They do this to avoid any impact cracks that may occur during shipping. You can find your strap button inside the case compartment.