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Martin OMJM John Mayer Signature Acoustic-electric Guitar - Natural

Acoustic-electric Guitar, Signature, with Spruce Top, Rosewood Back and Sides, Select Hardwood Neck, and Ebony Fingerboard - Natural
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Item ID: OMJMJM
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Martin OMJM John Mayer Signature Acoustic-electric Guitar - Natural
Price:$4,199 and 99 cents
Special Financing - Ends Jun 30, 2026. $117/month with 36 month financing*

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Martin OMJM John Mayer Signature Acoustic-electric Guitar - Natural
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Price:$4,199 and 99 cents
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John Mayer Special Edition!

Back in 2002, John Mayer exploded onto the music scene with hits like "No Such Thing" and the following year, Martin introduced the OM-28JM John Mayer Signature Edition. Not surprisingly, even people who had never heard of John Mayer wanted to own this guitar and the limited edition of 404 instruments sold out completely. Mayer's Heavier Things album in late 2003 resulted in two more hit singles, one of which won a Grammy for Song of the Year and Mayer walked off with Best Male Pop Vocal of the Year honors. In 2005, he created the John Mayer Trio, playing electric blues in a series of memorable sold-out shows. With an expanding reputation and loyal fan base, the number of OM-28JM John Mayer Signature Edition guitars produced began to look awfully small. So, C. F. Martin & Co. asked John Mayer if he would create a second namesake guitar, one with many of the same attributes as his first, but which would be more affordable and more widely available. The end result? The OMJM John Mayer Signature.

Spruce top with vintage toner and lacquer finish

Like its predecessor, the OMJM John Mayer Signature features a top of solid spruce with specially designed "hybrid" bracing that enhances the rich, full sound. Body appointments are also similar, with a Style 45 rosette featuring a center ring of colorful paua (abalone) shell, bold herringbone around the top, grained ivoroid binding throughout and a traditional OM teardrop polished and beveled tortoiseshell pickguard. To enhance the beauty of the wood, a specially formulated vintage "aging" toner is applied and then the polished nitrocellulose gloss lacquer completes the picture.

East Indian rosewood back and sides for warm, rich tone

There was never a question about which tone woods to use for the OMJM John Mayer Signature Edition back and sides. East Indian rosewood is world renowned for its warm, rich tone. It has a wonderful harmonic structure that produces incredibly smooth overtones when combined with the spruce top and hybrid bracing. Black and white purfling surrounds the back, and there's an HD-style "zigzag" center strip. Other features include a black African ebony bridge with compensated TUSQ saddle, Style 45 white bridge pins inlaid with abalone and that jewel-like nitrocellulose gloss lacquer finish.

Select hardwood neck with African ebony fingerboard

The OMJM John Mayer Signature Edition's select hardwood neck with diamond volute is carved specifically with playing comfort in mind, combining a 1-11/16-inch width and a low profile shape for easy fretting. The East Indian rosewood headplate sports Martin's Old Style decal in silver rather than the familiar gold, along with nickel Gotoh open-geared tuners with butterbean knobs. The black African ebony fingerboard highlights 1/8-inch mother-of-pearl position markers and John Mayer's signature inlaid in pearl between the 19th and 20th frets.

Factory installed Gold Plus electronics

Many acoustics — and yes, even some premium quality instruments — come with optional electronics packages or even "off-the-shelf" units which can save some money, but ultimately compromises the amplified sound. For the OMJM John Mayer Signature Edition, the Martin luthiers carefully selected a Fishman Gold Plus Natural I system that would be factory installed in the guitar. This results in an amazingly detailed amplified sound that's never harsh or brittle sounding.

Includes vintage style case and signed/numbered interior label

Of course, a guitar this special comes with a special vintage Geib style hardshell case to protect your OMJM Signature Edition for years — or more accurately, decades to come. Making it even more distinctive, Mayer created a unique art deco inspired monogram that's embroidered right onto the case. What's more, each and every OMJM bears an interior label with the signatures of both John and Martin chairman C. F. Martin IV, and is individually numbered in sequence.

Martin OMJM John Mayer Signature Features:

  • The second signature Martin 6-string of Grammy-winning guitarist/songwriter John Mayer
  • Ultra-responsive Engelmann spruce top with touch-sensitive scalloped X-bracing
  • Beautiful East Indian rosewood back and sides resound with rich overtones and a firm, dense bass response
  • OM body style combines the comfort of a 000 with the versatility of a long 25.4-in. scale length
  • Fast-playing select hardwood neck in Martin’s comfortable Low Profile shape
  • Ebony fingerboard with inlaid John Mayer signature
  • Fishman Gold Plus Natural I electronics ensure stadium-ready plugged-in tones
  • Comfortable 1–11/16-in. nut width is sure to please players after a slight narrower feel
  • Vintage-inspired herringbone trim around the top and segmenting the back pieces
  • Top-quality Gotoh tuning machines

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Tech 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
  • Finish: Polished Gloss (top, back, and sides), Satin (neck)
  • Color: Natural with Vintage Toner
  • 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"
  • Manufacturer Part Number: 10OMJMJOHNMAYER

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Reviews

My all time favorite!
This has been my dream guitar since 2007. My wonderful wife surprised me with for my 40th birthday. I guess she got sick of me talking about it.

This guitar is perfect. The sustain. The playability. The neck.

This has became my primary guitar in my worship band at church. (Okay almost every Sunday. I will give it a break). It gets played daily. This guitar belongs in every collection.
My favorite guitar I have played in 60 years…
After a long period of consideration I purchased this guitar from Sweetwater with the help of Matthew in sales. It was seamless, painless, and really a great pleasure and a lot of fun to buy this guitar. It will be the final guitar in my 60+ years of playing. I have three other Martin's. It was actually hand-delivered to my house in an unmarked white van that came directly from the airport. Two people knocked on the door and presented it to me almost like it was a present. I was beaming. First of all it is absolutely gorgeous. Flawless. The prettiest Martin I've owned and maybe the prettiest one I've ever seen. After two weeks of playing I can say that it is special guitar. It has beautiful action, great detail, expression, and a rich warm tone that makes my other Martin sound a bit bright and forward. The guitar came Carefully inspected and restrung with to my preferred string set.
It is a real beauty and I will treasure it.
Music background: I am an established professional visual artist and professional musician many decades ago. I
Extraordinary guitar!
This is not the guitar for everyone, but for those who prefer an OM this is the finest! I don't fiddle around with the dials on my electronics once I'm satisfied with my setup, so the fact that there's no sound control on board is no big deal. I have a Martin headstock strap tie, so the fact that there is no strap button on the guitar's body is no big deal either. The OM invites you to "grab a stool and get busy," making a strap unnecessary. For what it's worth, I find it more comfortable to play with the strap being out of the way and connected at the neck. It's also "old school" which I kinda like.

So those are the 2 "features" you need to be aware of up front before investing.

Once you begin playing the OMJM, nothing else matters other than the sound and the action. Working the fingerboard is effortless joy. I have small fingers so I very much appreciate the low profile neck. The Engelman spruce top and Rosewood back and sides make this guitar sing. You never get tired of the depth and breath of the sound. I'm amazed every time I play it and it truly has inspired me to play more. You don't want to put it down.

The appearance of the OMJM is stunning! The fit and finish on mine invites me stop and stare and appreciate the view from time to time.

Last impression. I've been playing for 50+ years, and I have never seen a finer guitar case. It's beautiful.


I am convinced that this will be my "forever Martin."
Music background: singer/songwriter
Omjm

If you're a John Mayer fan and you have the money, it's a no brainer. I was able to get this during black Friday and had a plek setup on it. Well worth every penny. Neck feels great and it's the type of guitar that you want to keep playing. Sounds good, feels good, and looks good.

Pure delight from the OMJM!
The sustain got me first. Strum a chord and it just keeps ringing! Then the low end. The gorgeous thump of bass supports the whole range. Then the subtle brightness of the highs brings character to the top and the entire guitar sings a chorus! This instrument is wonderful! It frets easily, like it was made for my hands. It is lovely to look at with its inlays and signature. And it plays like the beast it is! To say I love this guitar is an understatement. Thank you to David Wharam, who did a masterful job of directing my attention to this guitar and then sharing his experience and knowledge with such grace. My Sweetwater experience was a joy!
Music background: Folk, rock, bluegrass, country. Flat picking and finger style.