Martin - OMJM John Mayer 20th Anniversary
To commemorate the 20th anniversary of John Mayer’s popular OM-28JM model, Martin collaborated again with John Mayer to offer this tasteful anniversary Orchestra Model. It exhibits the same versatility for today’s diverse contemporary musical styles and includes a unique label with Mayer’s electronic signature. This model will only be available through August 2024, so make sure to check it out soon! If you’re looking for something with a little more bling, check out the OM-45 John Mayer 20th Anniversary, which is also new for 2023.
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The Nantel Verdict
The Nantel Verdict
Compact size with sophisticated tone projection and balanced frequency response
Less projection than dreadnoughts in large venues; versatile enough for most players
Martin has been defining what an acoustic guitar should sound like since 1833 - that's nearly 200 years of building wisdom refined into every brace, every joint, and every curve of wood in this instrument. The signature Martin voice - balanced, warm, and effortlessly authoritative - is immediately recognizable whether you hear it on a Nashville recording, a folk festival stage, or a living room couch. These guitars are built to last generations, and they reward that longevity by actually sounding better with age - the solid wood tops vibrate and mature over years of playing, developing a complexity and richness that new guitars simply cannot match. Owning a Martin isn't buying a guitar; it's beginning a musical relationship that deepens year after year.
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Overview |
|
| Recommended Strings | Authentic Acoustic Lifespan® 2.0 Guitar Strings Phosphor Bronze - Light |
| Body Size | 000-14 Fret |
| Finish Top | Gloss |
| Construction | Simple Dovetail Neck Joint |
| Back and Side Finish | Gloss |
| Bracing Pattern | X-Brace |
| Scale Length | 25.4" |
| Brace Shape | Scalloped |
| Fingerboard Width at Nut | 1 11/16'' |
| Top Material | Engelmann Spruce |
| Neck Shape | Low Profile |
| Back Material | East Indian Rosewood |
| Neck Taper | Standard Taper |
| Side Material | East Indian Rosewood |
| Electronics | Yes |
| Electronics Options | Fishman Gold Plus Natural I |
Top |
|
| Top Color | Platinum Gray Burst |
| Bridge Style | Modern Belly - Drop in Saddle |
| Binding | Antique White |
| Bridge String Spacing | 2 1/8'' |
| Top Inlay Material | Bold Herringbone |
| Bridge Material | Ebony |
| Top Detail | None |
| Bridge Pin Material | White Plastic |
| Pickguard | Black Acrylic |
| Bridge Pin Dots | Abalone |
| Pickguard Inlay | None |
| Saddle | Compensated White Tusq |
| Rosette | Abalone with Multi-Stripe |
| Saddle Radius | 16" |
Body |
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| Brace Material | Spruce |
| Back and Sides Color | None |
| Brace Size | 5/16" |
| Back Detail | None |
| Back Purfling/Strip | Zig-Zag |
| Back Inlay Material | Multi-Stripe |
| Heelcap | Antique White |
| Side Detail | None |
| Endpiece | Antique White |
| Side Inlay Material | None |
| Endpiece Inlay | Multi-Stripe |
Neck |
|
| Neck Material | Mahogany |
| Fingerboard Material | Ebony |
| Finish Neck | Satin |
| Fingerboard Width at 12th Fret | 2 1/8'' |
| Neck Color | Dark Mahogany |
| Fingerboard Inlay Style | Custom |
| Number of Frets Total | 20 |
| Fingerboard Inlay Material | Mother-of-Pearl |
| Neck Joins Body At | 14th Fret |
| Fingerboard Binding Material | None |
| Side Dots | White |
Headstock |
|
| Headstock Shape | Solid with Square Taper and Diamond |
| Tuning Machines | Nickel Open Gear |
| Headplate Material | East Indian Rosewood |
| Knob | Butterbean |
| Headplate Logo Style | Script Old Style Overlay |
| Nut Material | Bone |
| Headplate Binding Material | None |
| Headplate Detail | None |
Misc |
|
| Case | Ply Hardshell |
| Left Handed Availability | true |
| Label | Embossed Paper Label with CFM IV and John Mayer Pre-Printed Signatures, Numbered in Sequence with No Total |
Martin
AUTHORIZED DEALERAvailable in store & online — Nantel Musique
Martin is one of the most recognized names in musical instruments worldwide. Known for exceptional build quality, innovative design, and reliable performance across every price range, Martin instruments are trusted by beginners and touring professionals alike.
at nantel musique, we carry a curated selection of martin acoustic guitars — each one inspected, set up, and backed by our expert team. every purchase includes our satisfaction guarantee and dedicated after-sales support.

