AUSTRALIA'S #1 ACOUSTIC GUITAR SPECIALIST

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40/SE-OMJM

Martin OMJM 'John Mayer' Acoustic Guitar: Custom Signature Series

Includes Hardshell Case

The Martin OMJM John Mayer Signature model is a refined, stage-ready acoustic-electric built to meet the exacting standards of a Grammy-winning artist. Featuring a responsive Engelmann spruce top and East Indian rosewood back and sides, this Orchestra Model delivers a lush, articulate voice with crisp treble, full bass, and remarkable sustain. Hybrid scalloped X-bracing ensures dynamic tonal response and clear projection whether fingerpicking or strumming, while the vintage-toned gloss finish evokes classic Martin aesthetics.

Designed for comfort and performance, the select hardwood neck features a low-profile carve and 1.6875" nut width for fast, easy fretting. The solid ebony fingerboard is adorned with mother-of-pearl inlays and John Mayer’s signature at the 20th fret. Factory-installed Fishman Gold Plus electronics offer natural-sounding amplified tones, making this an excellent choice for both studio work and live gigs. With a signed label, deluxe hardshell case, and timeless OM body shape, the OMJM is an exceptional instrument built for discerning players.

  • Signature Martin OM with Engelmann spruce top and East Indian rosewood back and sides

  • Hybrid scalloped X-bracing for balanced, resonant tone with strong projection

  • Comfortable low-profile neck with 1.6875" nut for fast playability

  • Factory-installed Fishman Gold Plus Natural I electronics for lifelike plugged-in tone

  • Ebony fingerboard with John Mayer’s inlaid signature and vintage-inspired appointments

  • Body Shape OMJM John Mayer

  • Top Wood Engelmann Spruce

  • Back & Sides Wood Solid East Indian Rosewood

  • Top Finish Polished Gloss with Vintage Toner

  • Neck Wood Select Hardwood

  • Neck Shape Low Profile

  • Neck Finish Satin

  • Scale Length 25.4"

  • Fingerboard Material Solid Black Ebony

  • Fingerboard Radius 16"

  • Fingerboard Inlay Mother of Pearl

  • Number of Frets 20 (14 clear)

  • Nut Width 1.6875"

  • Nut Material Bone

  • Saddle Material White Tusq

  • Bridge Material Solid Black Ebony

  • Bracing Hybrid X Scalloped, 5/16" Sitka Spruce

  • Binding Grained Ivoroid

  • Tuning Machines Gotoh Nickel Open-Geared with Butterbean Knobs

  • Electronics Martin Gold Plus Natural I

  • Strings Lifespan 2.0 92/8 Phosphor Bronze, .012–.054

  • Case Hardshell Case

  • Manufacturer Part Number 10OMJMJOHNMAYER

Acoustic Centre offers free shipping on all new items to most locations within Australia on all orders over $99, excluding Western Australia, Northern Territory and Far North Queensland. Used items have a flat rate shipping fee of $59 within our usual shipping locations. We also offer competitive Express shipping options at checkout.

Customers located in Western Australia, Northern Territory and Far North Queensland recieve free shipping on all accessory orders over $99, but will incur a flat rate instrument or large item shipping charge of $179 (or $299 for Express shipping).

Used instruments fall outside of our usual shipping policy, and shipping to most addresses will be $69 - $99, as shown at checkout.

Occasionally due to issues with delivering to remote or unusual destinations, we aren't able to offer free postage. We reserve the right to retract the offer if freight costs exceed 15% of your purchase. We will always notify you if there is an issue and offer a full refund or arrange alternative delivery options.

All strings and accessories will be shipped with tracking via courier or Australia Post. Other items including guitars and amplification equipment will be shipped using our courier service providers, with a tracking number and signature on delivery.

The Acoustic Centre ships goods Australia-wide, however at this time we are unable to accept international orders.

Zip Money - Buy Now, Pay Later.

We offer 3 Months interest free on purchases under $1000, and 6 Months interest free on purchases over $1000.

Click here for more information and Application form - it only takes a minute!

Studio 19 RentalsWe rent the things people love.

Studio19 Rentals operates Australia’s foremost in-store Rental program for musical instrument retailers, and allows you to have the gear of your dreams now for a low monthly price. 

Studio19 offers:

  •  Low monthly payments
  •  Apply to buy at any time
  •  Protection plan available
  •  Return anytime after the minimum rental period
  •  No ongoing account keeping fees or charges

Click here  for more details.

We endeavour to show the actual instrument in stock whenever possible, but the guitar in stock may differ slightly from the one shown on our website. Materials used can look different from guitar to guitar, including timber grain and colour, parts colours and finishing. If an instrument is a one-of-a-kind or preowned guitar, the picture will always be of the actual guitar in stock, but production models may have slight variations to the picture shown.

If you're after a particular look, feel free to email us at info@acousticcentre.com.au or send us a message through our chat service to request photos of the actual guitar in stock. We are more than happy to send through pictures of all in-stock guitars, to make your choice easier.

Please note that returns will not be accepted for variations in timber grain /  colouring, finish variations and parts colouring, unless there is a fault with the instrument. If you have any questions at all regarding an instrument's appearance, just drop us a line - we're always happy to send photos, and if we have more than one instrument in stock you'll be able to choose the exact guitar that you receive!

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