Martin Custom OM-45 John Mayer Platinum 20th Anniversary Acoustic Guitar

£14,999.00

Celebrating 20 years of John Mayer and his signature Martin OM-28JM, Martin have presented us with another exclusive John Mayer 20th Anniversary acoustic guitar, but this one is glamorously distinct. The Martin Custom OM-45 John Mayer Platinum acoustic guitar is the high-end anniversary exclusive that showcases the very best craftsmanship produced by the Martin Luthiers. […]

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Description

Celebrating 20 years of John Mayer and his signature Martin OM-28JM, Martin have presented us with another exclusive John Mayer 20th Anniversary acoustic guitar, but this one is glamorously distinct. The Martin Custom OM-45 John Mayer Platinum acoustic guitar is the high-end anniversary exclusive that showcases the very best craftsmanship produced by the Martin Luthiers. For this anniversary model, the border has been enhanced to a fine silver aluminium outline that really makes the grey sunburst pop, adding extra shine to an already stunning guitar. The standout finish really sets this guitar apart from the original with an exquisite grey sunburst that celebrates the 20th anniversary of the OM-28JM. Staying accurate to John’s personal Martin guitar, this model has been constructed using the original specification tonewoods of Engelmann Spruce and Indian Rosewood to supply you with a vibrant, warm, and powerful mid-range giving you that exemplary John Mayer tone. Boasting an Engelmann Spruce top, OM-45 Platinum exerts dynamic ranges of tone by boosting immense clarity giving you the capability to play fingerstyle patterns or vibrant chord progressions.

Martin’s standard taper low-neck profile pins you closer to the fretboard facilitating a variety in playability and comfortability that will enable you to play Mayer’s famous combination of techniques, whether you’re playing fingerstyle or slap and strum. This signature acoustic will give you the ability to experiment and expand the way you play, featuring a unique and limited-edition finish that will be the pride and joy of your guitar collection.

Key Features

  • Platinum John Mayer Anniversary Signature – Designed in collaboration with John Mayer himself, this acoustic guitar features the same specs as his original OM-28JM with an exclusive finish that is unique by design.
  • Low-Neck-Profile – Martin’s standard neck profile provides dynamic functionality to seamlessly move around the neck in a comfortable fashion allowing for a versatile range of different playing styles.
  • Limited Edition – A limited edition run showcasing some of the best craftsmanship in the acoustic guitar world, combining traditional and contemporary techniques to build a one-of-a-kind short run of John Mayer signature guitars.

Specifications

Body

  • Body Style: Orchestral
  • Body Size: 000-14 Fret
  • Body Material: Guatemalan Rosewood
  • Top Material: Engelmann Spruce
  • Top Colour: Grey Sunburst
  • Brace Shape: Scalloped
  • Bracing Pattern: X-Brace
  • Body Finish: Gloss

Neck

  • Neck Material: Mahogany
  • Neck Profile: Standard Taper
  • Scale Length: 25.4”
  • Neck Finish: Gloss
  • Fingerboard Material: Ebony
  • Nut Width: 1 11/16”
  • Number of Frets: 20
  • Inlays: Custom Inlay

Hardware

  • Tuning Machines: Nickel Open Gear
  • Bridge Material: Ebony
  • Saddle: Compensated Bone
  • Pickguard: Ebony

Miscellaneous

  • Case: Moulded Case (Included)
  • Strings: Martin Authentic Acoustic Lifespan 2.0 Light

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About the manufacturer

Martin

Martin is one of the most revered names in acoustic guitar history, renowned for its unmatched craftsmanship, tone, and tradition. Founded in 1833 by Christian Frederick Martin, the company pioneered many of the design features that define the modern acoustic guitar, including the dreadnought body shape and X-bracing. Handmade in Nazareth, Pennsylvania, Martin guitars are celebrated for their rich, resonant sound and exceptional build quality. Favoured by artists from Johnny Cash and Neil Young to Ed Sheeran, a Martin guitar embodies timeless tone and heritage, offering players an instrument that only gets better with age.

More info about this Product

Acoustic Guitars

Acoustic guitars produce their sound naturally through the vibration of the strings and body, offering a direct and expressive playing experience. They come in a wide range of styles, including steel string and classical designs, each with its own feel and tonal character. Body shape, wood choice, and construction all influence warmth, projection, and balance, making acoustics suitable for everything from gentle fingerstyle to confident strumming. Whether used for songwriting, practice, or performance, acoustic guitars provide a simple, honest connection between the player and the music.

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