The Interstellar Tone Traveler has followed John Mayer's relationship with tone long enough to understand that it isn't casual — it is a lifelong pursuit of the exact right sound, the exact right feel, the exact right instrument for the moment. More than two decades of collaboration between Mayer and Martin have produced some of the most celebrated acoustic guitars of the modern era, and the OMJM carries that lineage forward in a form that honors its origins while welcoming a broader audience into the conversation. Where the original limited-edition OM-28JM was reserved for the few, the OMJM distills those same high-end sensibilities — bold herringbone trim, abalone rosette, East Indian rosewood back and sides, and custom mother-of-pearl fingerboard inlays bearing Mayer's own signature — into a guitar that more players can find their way to. The Engelmann spruce top is the tonal centerpiece: softer and more dynamically sensitive than Sitka, it responds with a warmth, complexity, and quickness of attack that makes every touch feel deeply personal, ideally suited to the expressive, blues-influenced style that defines Mayer's playing. Antique toner top color adds a vintage cast to the gloss finish, while antique white binding and tortoise pattern pickguard complete an aesthetic that is timelessly elegant without being ostentatious.

The long 25.4" scale length of the Orchestra Model gives the OMJM a projection and authority that the shorter-scale 000 body doesn't quite reach — a fuller voice that carries beautifully in live settings while retaining the articulation and note separation that fingerstyle and chord-melody players demand. A Low Profile neck with standard taper keeps playability smooth and effortless across the full 20 frets, and the Simple Dovetail neck joint anchors the whole instrument with the structural integrity Martin has trusted for generations. Fishman Gold Plus Natural electronics make the transition from acoustic room to amplified stage completely transparent — one of the most natural-sounding under-saddle systems available, delivering the OMJM's voice to a PA without coloring or compressing what makes it special. For the longtime Mayer devotee or the player who simply recognizes a beautifully crafted Orchestra Model when they encounter one, this is a guitar built to inspire the kind of playing that turns heads in any galaxy.

Top: Engelmann Spruce 
Finish Top: Gloss
Top Color: Antique Toner 
Top Inlay Material: Bold Herringbone 
Top Detail: None
Binding: Antique White 
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
Pickguard: Tortoise Pattern
Pickguard Inlay: None
Rosette: Abalone with  Multi-Stripe
Saddle: Compensated White Tusq
Saddle Radius: 16"
Body Size: 000-14 Fret
Construction: Simple Dovetail Neck Joint 
Back Material: East Indian Rosewood
Side Material: East Indian Rosewood 
Body 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
Heel Cap: Antique White
Endpiece: Antique White
Endpiece Inlay: Multi-Stripe
Neck Shape: Low Profile
Neck Taper: Standard Taper
Neck Material: Genuine Mahogany
Neck Color: Dark Mahogany
Neck Finish: Satin
Scale Length: 25.4"
Number of Frets: 20
Neck Joins Body: 14 Fret
Fingerboard Material: Ebony
Fingerboard Width at 12th Fret: 2 1/8"
Nut Width: 1 11/16"
Inlay Style: Custom
Fingerboard Inlay Material: MOP
Fingerboard Binding: None
Headstock Shape: Solid with Square and Taper and Diamond
Headplate Material: East Indian Rosewood
Headplate Logo Style: Stylized Old Style Overlay
Headplate Binding Material: None
Headplate Detail: None
Tuning Machines: Nickel Open Gear
Knob: Butterbean
Nut Material: Bone
Electronics: Fishman Gold Plus Natural
Case: Hardshell