Pricing and availability
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Average Price: $4,300
High-end/Boutique
$200
$1001+
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Budget
Standard
High-end
Price History
Based on price data from 5 merchants for "Martin OM28 JM". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
The Martin OM28 JM John Mayer Signature Edition is more than just an acoustic-electric guitar; it's a harmonious blend of craftsmanship, style, and musical legacy. This guitar brings you the best of both acoustic warmth and electric versatility, making it a coveted piece for musicians seeking quality and character. Inspired by Mayer's original custom OM-28JM, the OM28 JM offers a solid Engelmann spruce top paired with East Indian rosewood back and sides, producing a balanced tone with rich low-end warmth and clear highs. The OM body style offers a comfortable feel and dynamic range, suitable for both intricate fingerstyle and robust strumming.
Aesthetically, it captivates with its vintage-inspired herringbone trim, grained ivoroid binding, and a striking abalone and paua rosette. The tortoiseshell pickguard adds a classic touch, while John Mayer's signature on the ebony fingerboard personalizes this masterpiece. The Fishman Gold Plus Natural I electronics ensure that your sound is captured authentically when amplified, providing a natural and detailed acoustic tone.
For those who appreciate smooth playability, the select hardwood neck with a low-profile shape and ebony fingerboard offers a comfortable experience, ideal for all skill levels. The nickel Gotoh open-geared tuners and vintage style hard-shell case further accentuate its quality and attention to detail. Whether on stage or in the studio, the Martin OM28 JM is designed to deliver excellence in sound and style.
Key Features:
- Solid Engelmann spruce top for balanced, clear tones
- Indian rosewood back and sides for rich, warm sound
- Fishman Gold Plus Natural I electronics for authentic amplified tone
- Comfortable low-profile neck with ebony fingerboard
- Vintage-inspired design with abalone and paua rosette
- Includes a vintage style hard-shell case for protection and style
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 is the neck profile of the Martin OM28 JM?
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The Martin OM28 JM features a low profile neck shape, which offers comfortable playability for both fingerstyle and strumming techniques.
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What kind of wood is used for the back and sides of the Martin OM28 JM?
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The back and sides of the Martin OM28 JM are made from solid East Indian Rosewood, providing a rich, warm tone with excellent projection.
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Is the Martin OM28 JM suitable for live performances?
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Yes, the Martin OM28 JM is equipped with Martin Gold Plus Natural 1 electronics, making it an excellent choice for live performances with clear and natural amplified sound.
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What type of strings does the Martin OM28 JM come with?
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The Martin OM28 JM comes with Lifespan 2.0 92/8 Phosphor Bronze strings in a .012-.054 gauge, which are designed for durability and tonal richness.
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What is the body shape of the Martin OM28 JM?
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The Martin OM28 JM features an Orchestra Model (OM) body shape, known for its balanced tone and versatility across various playing styles.
Videos
seminole224
Martin OM-28JM vs. OMJM vs. OM-42
Martin OM-28JM vs. OMJM vs. OM-42
seminole224
Neon (Live in L.A. Nokia) - Martin OM28JM - John Mayer - Cover by Pompy
Pompy
Martin OM28-JM John Mayer Signature Acoustic (2003-2004)
seminole224
No Such Thing (Short) - John Mayer - Martin OM28JM - Cover by Pompy
Pompy
Martin John Mayer Style Guitars Comparison - Which Do You Like Best? OMJM 20th / OM-28JM / OM-42
Aaron Short Music
2003 Martin OM-28 John Mayer Signature Edition vs. 2006 Martin OMJM John Mayer Comparison
Tyler Herrin
Why the Martin OM28-JM is My Favorite Guitar Ever (Ft. Something Like Olivia)
Chad Willis
Reviews
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Martin OM28 JM.
Value and pricing
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A well-maintained OM28 JM can fetch nearly $30k, with values rising significantly for early production numbers and mint condition examples.
Source
Use cases and applications
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Owners often hesitate to sell due to the guitar's exceptional playability and sentimental value, despite high market prices.
Source
User experience
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The guitar is highly sought after, with some collectors searching for over five years to acquire one, indicating its desirability and rarity.
Source
Based on 0 Reviews and 0 Ratings
Artist usage
Add artist
In the YouTube video titled "John Mayer - Neon (HD)" by Otoniel Vieira, John Mayer is seen playing the Martin OM-28JM John Mayer Signature Model guitar. This guitar, based on Martin's classic OM design, features a distinctive blend of materials and craftsmanship, including a solid Engelmann spruce top, Indian rosewood back and sides, and unique inlays inspired by Mayer's personal style. The instrument also includes Fishman/Martin Gold+Plus Natural electronics for enhanced sound. Mayer's connection to this model is further highlighted by his signature inside the guitar, making it a personalized piece of his musical repertoire.
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
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