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40/RS-OMC13E-JM

Martin OMC-13E John Mayer Custom Artist Road Series 000 14-Fret Orchestra Acoustic Guitar w/ Pickup & Cutaway

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Product Information

The Martin OMC-13E John Mayer is a signature cutaway acoustic-electric guitar from the Custom Artist Road Series, combining John Mayer's distinctive acoustic sound and playing preferences with the versatility of a modern performance instrument. Featuring premium solid tonewoods, signature appointments and a comfortable OM cutaway body, this model brings the character of John Mayer's Martin guitars to a wider range of musicians.

The OMC-13E John Mayer features a solid Engelmann spruce top with aging toner, paired with solid black walnut back and sides. This combination delivers a responsive, balanced acoustic voice with warmth, clarity and rich tonal character. Scalloped X-bracing supports the guitar's natural resonance and dynamic response, making it well suited to expressive fingerstyle techniques, detailed chord voicings and powerful strumming.

Its 000 14-fret cutaway body provides the familiar feel and balanced sound of an Orchestra Model guitar while offering easier access to the higher frets. This makes the OMC-13E particularly appealing to players who incorporate melodic lead passages, extended chord voicings and expressive upper-register playing into their acoustic performances.

Inspired by John Mayer's preferred specifications, the guitar features a 25.4-inch scale length, a 1 11/16-inch nut width and Martin's Performing Artist neck profile. The select hardwood neck has a smooth satin finish, while the ebony fingerboard provides a comfortable playing surface across all 20 frets. Custom fingerboard inlays featuring John Mayer's signature give the instrument a distinctive personal touch.

The gloss-finished body is complemented by antique white binding and a faux tortoise pickguard, creating an elegant appearance that reflects Martin's acoustic guitar heritage. Nickel open-gear tuning machines, an ebony bridge and a white TUSQ saddle complete the guitar's traditional appointments.

Equipped with Martin E1 electronics, the OMC-13E John Mayer is ready for amplified performances, rehearsals and recording applications. The onboard electronics provide a convenient way to reproduce the guitar's acoustic sound through a compatible amplifier or PA system, while the included softshell case offers practical protection during transportation and storage.

Combining solid Engelmann spruce and black walnut construction, comfortable cutaway access, signature John Mayer details and reliable Martin electronics, the OMC-13E John Mayer is an excellent choice for guitarists seeking expressive acoustic tone with enhanced upper-fret accessibility.

Features

  • John Mayer signature acoustic-electric guitar from the Martin Custom Artist Road Series
  • 000 14-fret cutaway body provides comfortable access to higher frets
  • Solid Engelmann spruce top delivers responsive and balanced acoustic tone
  • Solid black walnut back and sides provide warmth, clarity and rich acoustic character
  • Scalloped X-bracing enhances resonance and dynamic response
  • Aging toner top colour with an elegant gloss finish
  • Gloss-finished black walnut back and sides
  • Antique white binding provides refined visual detailing
  • Performing Artist neck profile inspired by John Mayer's preferred specifications
  • Select hardwood neck with a smooth satin finish
  • 25.4-inch scale length provides a familiar acoustic playing feel
  • Ebony fingerboard with 20 frets
  • Custom fingerboard inlays featuring John Mayer's signature
  • 1 11/16-inch nut width for comfortable fretting and chord work
  • Nickel open-gear tuning machines
  • Ebony bridge with white TUSQ saddle
  • Faux tortoise pickguard complements the classic acoustic styling
  • Martin E1 electronics for amplified performances
  • Cutaway design supports melodic lead playing and extended chord voicings
  • Recommended for use with Martin Authentic Acoustic Lifespan 2.0 Light strings
  • Left-handed version available
  • Includes softshell case for protection and transportation
  • Ideal for songwriting, fingerstyle playing, recording and live performance

Specifications

General

  • Brand: Martin
  • Model: OMC-13E John Mayer
  • SKU: 40/RS-OMC13E-JM
  • Series: Custom Artist Road Series
  • Product Type: Acoustic-Electric Guitar
  • Artist: John Mayer
  • Body Size: 000 14-Fret Cutaway
  • Cutaway: Yes
  • UPC: 729789724753
  • Left-Handed Availability: Yes

Body

  • Top Material: Solid Engelmann Spruce
  • Top Colour: Aging Toner
  • Top Finish: Gloss
  • Back Material: Solid Black Walnut
  • Side Material: Solid Black Walnut
  • Back and Side Finish: Gloss
  • Bracing Pattern: X Brace
  • Brace Shape: Scalloped
  • Binding: Antique White

Neck & Fingerboard

  • Neck Material: Select Hardwood
  • Neck Shape: Performing Artist (PA)
  • Neck Finish: Satin
  • Fingerboard Material: Ebony
  • Fingerboard Inlay Style: Custom with John Mayer Signature
  • Scale Length: 25.4" (645.2 mm)
  • Number of Frets: 20
  • Fingerboard Width at Nut: 1 11/16" (42.9 mm)

Hardware

  • Tuning Machines: Nickel Open Gear
  • Bridge Material: Ebony
  • Saddle: White TUSQ
  • Pickguard: Faux Tortoise

Electronics

  • Electronics: Martin E1

Strings

  • Recommended Strings: Martin Authentic Acoustic Lifespan 2.0 Light (MA540T)

Accessories

  • Included Case: Softshell Case

Warranty

1 Year Warranty
Warranty & Support 

All products are backed by the original manufacturer’s warranty, giving you confidence that your purchase is protected. If you ever need to make a claim, the process is simple — just email us at warranty@belfieldmusic.com.au with the following info:

Name:
Invoice/Order Number:
Item:
Fault Description:
Serial Number:
Email:
Contact Number:
Address:
 
Our team will guide you through the next steps and arrange a repair, replacement, or refund where applicable. We aim to make the process quick and stress-free, so you can get back to enjoying your gear as soon as possible. 

 

Shipping Policy

All orders over $200 will be automatically eligible for FREE Shipping Australia Wide, if you order is under $200 there will be a flat rate of $12.

Belfield Music is well known for its top online customer service. We treat all online customers with the same excellent service we give to our in store customer. We will ensure that you receive all the support you need while your goods are in transit and ensure the goods arrive promptly. All of our shipments have tracking numbers available and we cover every single unit by our own shipping insurance.     

Online orders are normally processed within 1-3 business days. Once processed, your order should take between 1-8 business days to arrive depending on your location. Please note that your order may take up to 10 business days to arrive from the day you place your order. 

If it transpires that the product is out of stock due to a stock discrepancy and/or there will be a delay in shipment, we will contact you within 2 business days of placing your order and give you the option of waiting or cancelling your order. The products we advertise online should show if they are in stock or not. We do our best to keep the website stock count up to date, but there may be an occasional error.

If you wish to utilize an Express Delivery Service to receive your item, please contact us for a shipping quote before you place your order at admin@belfieldmusic.com.au or by using the Chat icon on the bottom right of the page.           

Deliver is made during the hours from 8:00am till 5:30pm Monday to Friday. As such, please ensure you nominate an address which is capable of receiving goods during 8am and 5.30pm.  Given the restrictions on PO Box deliveries we cannot deliver larger sized items to a PO Box.

If for any reason our selected carriers don't service your area we will contact you before processing your order if this applys to you.

 

Returns Policy

If you wish to return an item which is not damaged or faulty in any way and you have simply changed your mind or made the wrong decision, you must let us know within 7 days of receiving the item.  We will not agree to refund an item because you simply changed your mind or made the wrong decision if we have not been advised of your intention within 7 days of receiving your item. Once we have provided a return authority, it is the buyer’s responsibility to return the item, at their own costs within 30 days from original purchase. If the item is returned with any damage or alteration to its original packaging, we will refund the item subject to applying a minimum 15% restocking fee.  We will not refund the costs of the initial shipping charges.

It is in Belfield Music best interests to keep our customers happy with their purchases. If you are not happy with your purchase, please talk to us first. We will always attempt to resolve any problems you may have as best we can. To contact us please email us at admin@belfieldmusic.com.au or by using the Chat icon on the bottom right of the page.