Martin Guitar J-40

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Martin Guitar J-40

Martin Guitar

J-40

4.6 Expert Rating

Product Info

Article Number: 556330
Model: J-40
Price: $6,048.90

* Prices may vary. Check retailer for current pricing and availability.

The J-40 is a powerhouse – a jumbo Martin with all-solid woods, built for serious volume and sustain. It's a fantastic choice for players who need a big, resonant sound, especially those in bluegrass, folk, or blues settings where projection is key. Expect a commanding presence and a truly premium feel.

Product Description

  • Martin Guitar J40
  • Acoustic Guitar
  • Style: Jumbo
  • Top: solid spruce
  • Back and sides: solid rosewood
  • Neck: Mahogany
  • Headstock: Rosewood
  • Fingerboard: Ebony
  • Abalone Reduced Hexagon fingerboard inlays
  • Abalone with multi-stripe rosette
  • Scale: 645 mm (25.4")
  • Nut width: 44.5 mm (1.75")
  • Bone nut
  • 20 Frets
  • Tortoise pickguard
  • Ebony bridge with compensated bone saddle
  • Open
  • gold-plated tuners
  • Factory strings: MA550T Authentic Treated Medium (art. #473904#)
  • Colour: Natural
  • high-gloss
  • Incl. ply hard case
  • Made in USA
PROS
  • • Solid rosewood back & sides deliver a rich, complex, and powerful low-end response.
  • • The solid spruce top provides exceptional clarity and projection across the tonal spectrum.
  • • Ebony fingerboard offers a smooth, fast playing experience and excellent note definition.
  • • Open-gear tuners ensure precise and stable tuning, crucial for jumbo body guitars.
CONS
  • • The jumbo body size can be unwieldy for smaller players or those preferring comfort.
  • • High-gloss finish, while beautiful, may feel less 'vintage' and require more care.
  • • The price point positions it firmly in the premium-priced acoustic guitar market.

Product Video

Key Features

Top Wood Solid Spruce
Back & Sides Solid Rosewood
Neck Material Mahogany
Fingerboard Ebony
Scale Length 645 mm (25.4")
Frets 20
Electronics None
Weight Approximately 6.8 lbs (3.1 kg)

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Frequently Asked Questions

The J-40 has a noticeably boomier, more resonant low-end due to its larger body, while the D-28 is more balanced and versatile.
The 1.75" nut width offers a relatively generous string spacing, but the jumbo body might feel a bit cumbersome overall.
Expect a gradual opening up of the tone over the first few months, with increased warmth and complexity as the wood settles.

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