Pricing and availability
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Average Price: $4,300
High-end/Boutique
$200
$1001+
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Price History
Based on price data from 5 merchants for "Martin OM-28JM John Mayer Signature". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
The OM-28JM John Mayer Signature Edition is a harmonious blend of craftsmanship and artistry, capturing the essence of John Mayer’s soulful sound and aesthetic. Originally introduced by Martin in response to Mayer's expanding influence, this guitar is tailored for musicians seeking both performance and legacy in a single instrument. The solid spruce top with its unique "hybrid" bracing offers a rich, resonant tone, perfect for both stage and studio. The East Indian rosewood back and sides complement the spruce, delivering a warm, full-bodied sound that resonates with clarity and depth.
This guitar is more than just a tribute; it’s a testament to Mayer's impact on music and the meticulous craftsmanship of Martin. The select hardwood neck, combined with a sleek African ebony fingerboard, ensures smooth playability and comfort, while the inlaid John Mayer signature offers a touch of exclusivity. Equipped with the Fishman Gold Plus Natural I electronics, it provides an exceptional amplified sound, maintaining the guitar’s natural acoustic warmth.
Aesthetically, the OM-28JM is adorned with exquisite details: a Style 45 rosette with paua shell, herringbone trim, and a tortoiseshell pickguard. Each guitar is housed in a vintage-style hardshell case, complete with Mayer's unique monogram and an interior label signed by both John Mayer and Martin chairman C. F. Martin IV.
Key Features:
- Solid spruce top with hybrid bracing for rich sound
- East Indian rosewood back and sides for warm, resonant tones
- African ebony fingerboard with inlaid John Mayer signature
- Fishman Gold Plus Natural I electronics for detailed amplified sound
- Vintage-style hardshell case with embroidered monogram
- Signed and numbered interior label
- Gotoh open-geared tuners with butterbean knobs
Product specs
| String Type | Steel |
| Number of Strings | 6 |
| Left-/Right-handed | Right-handed |
| Body Shape | OMJM John Mayer |
| Back & Sides Wood | Solid East Indian Rosewood |
| Top Wood | Engelmann Spruce |
| Body Bracing | Hybrid X Scalloped, 5/16" Solid Sitka Spruce |
| Binding | Grained Ivoroid |
| Neck Wood | Select Hardwood |
| Neck Shape | Low Profile |
| Radius | 16" |
| Fingerboard Material | Solid Black Ebony |
| Fingerboard Inlay | Mother of Pearl (Dots: Single at 5th and 9th; Double at 9th and 12th)(Squares: Single at 15th and 17th) |
| Number of Frets | 20 (total), 14 (clear) |
| Scale Length | 25.4" |
| Nut Width | 1.6875" |
| Nut/Saddle Material | Bone/White Tusq |
| Bridge Material | Solid Black Ebony |
| Tuning Machines | Gotoh Nickel Open-Geared with Butterbean Knobs |
| Electronics | Martin Gold Plus Natural 1 |
| Strings | Lifespan 2.0 92/8 Phosphor Bronze, .012-.054 |
| Case/Gig Bag | Hardshell Case |
| Body Length | 19.375" |
| Body Width | 15" |
| Body Depth | 4.125" |
| Overall Length | 39.8125" |
FAQs
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What makes the Martin OM-28JM John Mayer Signature Edition unique compared to other acoustic-electric guitars?
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The Martin OM-28JM John Mayer Signature Edition features a unique blend of materials such as solid East Indian rosewood back and sides, and an Engelmann spruce top, offering a balanced, warm tone. Its low-profile neck and special fingerboard inlays are designed to John Mayer's specifications for enhanced playability and style.
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Is the Martin OM-28JM John Mayer Signature Edition suitable for live performances?
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Yes, the Martin OM-28JM John Mayer Signature Edition comes equipped with Martin Gold Plus Natural 1 electronics, making it ideal for live performances with clear, natural sound amplification.
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How does the neck profile of the Martin OM-28JM John Mayer Signature Edition affect playability?
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The guitar features a low-profile neck shape, which provides a comfortable grip and ease of playability, especially beneficial for intricate fingerstyle playing and fast chord changes.
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What type of strings does the Martin OM-28JM John Mayer Signature Edition use?
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The guitar is strung with Lifespan 2.0 92/8 Phosphor Bronze strings in gauges .012-.054, which offer a bright, long-lasting tone and are ideal for a variety of playing styles.
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Does the Martin OM-28JM John Mayer Signature Edition come with a case?
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Yes, the Martin OM-28JM John Mayer Signature Edition comes with a hardshell case, providing excellent protection for the guitar during transport and storage.
Videos
seminole224
Martin OM-28JM vs. OMJM vs. OM-42
Reviews
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Martin OM-28JM John Mayer Signature.
Value and pricing
User experience
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Owners express hesitation in selling due to the guitar's exceptional playability and emotional attachment, despite high resale values.
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Owners are hesitant to sell, indicating enduring satisfaction with the guitar's performance and emotional value, even after significant servicing like refretting the first 8 frets.
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The OM-28JM is often described as having a "friendly quality," making it feel like it naturally encourages musical creativity.
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Owners highlight the OM-28JM's exceptional resonance and articulate tone, described as being at the highest level of Martin craftsmanship.
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Use cases and applications
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Despite their collectible status, these guitars are highly valued for their playability and sound, enticing owners to keep playing rather than selling.
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Comparisons
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The OM-28JM is considered more collectible than the 45JM, largely due to its use by John Mayer on stage throughout his career.
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The OMJM 20th Anniversary is reported to play and sound slightly better than the OM-28JM, with its Engelmann tops providing exceptional tonal quality.
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The neck of the 00-45SC is notably larger, which may appeal to players who prefer a more substantial neck grip.
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The OM-28JM is compared to modern high-end acoustics like the Collings OM1, with a preference for its musicality and playability.
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5.0 out of 5
Based on 0 Reviews and 1 Rating
Artist usage
Add artist
2004 Martin OM-28JM limited signature edition. It's John Mayer's first Martin signature guitar.
In an Instagram Story where he shared his appreciation for Martin acoustic guitars and showed a few from his own collection, he writes this about the OM-28 JM:
This is the one, though. OM-28 JM Signature. Been with me since 2003.
He shared another image of it and continues to say:
And will be for life.
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
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