Detail 01
Golden Era forward-shifted scalloped X-bracing
The bracing is described as increasing top movement, output, sustain, and tonal balance.
Product detailSKU #1500000449446
MartinJ-40 Standard Jumbo Left-Handed Acoustic Guitar Natural
brightarticulatedynamicfolksinger songwriter
1/7
Independent shopping perspective
The Korena take
For left-handed players seeking a jumbo acoustic, the J-40 Standard pairs a solid spruce top with East Indian rosewood back and sides. Golden Era forward-shifted scalloped X-bracing is described as giving the large body strong projection and sustain while retaining clarity across the range. The genuine mahogany GE Modified Low Oval neck, High-Performance Taper, and Plek setup concentrate on smooth action and accurate intonation. Abalone detailing, antique white binding, gold open-gear tuners, and a hardshell case complete the package.
Strong match
Who this is for
- Left-handed singer-songwriters accompanying their own voice with a projecting jumbo acoustic.
- Stage and studio work where a powerful, balanced acoustic response is called for.
- Transport and storage using the supplied hardshell case.
Consider the trade-offs
When to look elsewhere
- Right-handed players, because this is a left-handed guitar.
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
Plek setup
The frets are described as computer leveled for smooth action and accurate intonation.
Detail 03
1-3/4-inch nut width and 25.4-inch scale length
These are the stated neck dimensions for this model.
Final check
Know before you order
- 01Confirm that you need a left-handed instrument before ordering.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Is the J-40 Standard left-handed?
Yes. Its orientation is left-handed.
02Does it include a case?
A hardshell case is listed.
03What bracing does it use?
It uses Golden Era forward-shifted scalloped X-bracing.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
7 detailsPlayability
- Nut Material
- Bone
- Strings
- Authentic Acoustic Lifespan 2.0 - Medium MA550T
- Orientation
- Left handed
- Number of Strings
- Authentic Acoustic Lifespan 2.0 - Medium MA550T
- Fingerboard Width At Nut
- 1-3/4 inch
- Scale Length
- 25.4
- Neck Shape
- GE modified low oval
20 detailsBody & build
- Color
- Natural
- Saddle Material
- Compensated bone
- Bridge Material
- Ebony
- Fingerboard Wood
- Ebony
- Binding
- Antique white
- Bridge Pin Material
- Bone with abalone dots
- Fingerboard Inlay
- Reduced hexagon
- Body Size
- J-14 fret
- Top Material
- Spruce
- Body Finish
- Gloss
- Finish
- Gloss
- Neck Wood
- Genuine mahogany
- Fingerboard Material
- Ebony
- Back and Sides Wood
- East Indian rosewood
- Body Style
- GE modified low oval
- Bracing Material
- Spruce
- Bridge Style
- GE modern belly drop-in saddle
- Tuning Machines
- Gold open gear
- Body Shape
- GE modified low oval
- Neck Taper
- High performance taper
1 detailsIn the box
- Case or Gig Bag
- Hardshell
2 detailsOther
- Pleked
- Yes
- Bracing Pattern
- Forward shifted X brace
