Martin OMJM John Mayer 20th Anniversary (532)

The OMJM John Mayer brings together signature style and stage-ready tone in a guitar designed with one of Martin’s most iconic modern artists. Based on Mayer’s original limited-edition OM-28JM, this Orchestra Model blends many of the same high-end features with wider availability and a more accessible price point—much like the 000-28EC did for Eric Clapton fans. With an Engelmann spruce top and East Indian rosewood back and sides, it delivers a balanced, expressive sound that’s perfect for today’s wide range of musical styles. It features a long 25.4" scale length for added projection, a Low Profile neck for smooth playability, and elegant details like bold herringbone trim, an abalone rosette, and custom inlays—including John’s signature on the fingerboard. Optional Fishman® electronics make it a versatile performer, and it comes with a hardshell case. Whether you’re a longtime fan or just love a finely crafted OM, the OMJM is a tribute to more than two decades of collaboration between Martin and one of the most influential guitarists of his generation.

Body Size: 000-14 Fret
Construction: Simple Dovetail Neck Joint
Top Material: Engelmann Spruce
Top Finish: Gloss
Top Color: Antique Toner
Top Inlay Material: Bold Herringbone
Binding: Antique White
Back Material: East Indian Rosewood
Side Material: East Indian Rosewood
Back & Side Finish: Gloss
Back Purfling/Strip: Zig-Zag
Back Inlay Material: Multi-Stripe
Bracing Pattern: X-Brace
Brace Shape: Scalloped
Brace Material: Spruce
Brace Size: 5/16" with 1/4" Tone Bars
Endpiece: Antique White
Endpiece Inlay: Multi-Stripe
Rosette: Abalone with Multi-Stripe
Pickguard: Tortoise Pattern
Bridge Material: Ebony
Bridge Style: Modern Belly - Drop-In Saddle
Bridge String Spacing: 2 1/8"
Bridge Pin Material: White Plastic
Bridge Pin Dots: Abalone
Saddle: Compensated White TUSQ®
Saddle Radius: 16"
Neck Material: Select Hardwood
Neck Shape: Low Profile
Neck Taper: Standard Taper
Neck Color: Dark Mahogany
Neck Finish: Satin
Scale Length: 25.4"
Number of Frets: 20
Neck Joins Body At: 14th Fret
Heelcap: Antique White
Fingerboard Material: Ebony
Fingerboard Width at Nut: 1 11/16"
Fingerboard Width at 12th Fret: 2 1/8"
Fingerboard Inlay Style: Custom
Fingerboard Inlay Material: Mother-of-Pearl
Fingerboard Binding: None
Side Dots: White
Headstock Shape: Solid with Square Taper and Diamond
Headplate Material: East Indian Rosewood
Headplate Logo Style: Script Old Style Overlay
Headplate Binding: None
Tuning Machines: Nickel Open Gear
Tuner Knobs: Butterbean
Nut Material: Bone
Case: Ply Hardshell with Embroidery
Recommended Strings: Authentic Acoustic Lifespan® 2.0 Phosphor Bronze - Light