Detail 01
X-bracing with spruce braces
The bracing supports the guitar’s structure and gives the koa top room to vibrate.
Product detailSKU #1500000456062
MartinCustom Shop 28 Style All Highly Flamed Koa Concert Acoustic Guitar Natural
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Independent shopping perspective
The Korena take
The Custom Shop 28 Style All Highly Flamed Koa Concert is built around a 0 concert body, with highly flamed koa used for the top, back, sides, and headplate. It is described as bright and focused, with a strong midrange, clear articulation, and a quick response that brings solo lines and soft passages forward. The 24.9-inch scale, modified low oval neck, ebony fingerboard, and 14-fret neck joint support extended fingerstyle sessions and precise melodic work. Gloss finish and antique white binding showcase the koa’s figure.
Strong match
Who this is for
- Extended fingerstyle sessions and precise melodic work on a compact concert-body acoustic.
- Small-venue or recording work needing clear articulation and an even response.
Consider the trade-offs
When to look elsewhere
- Left-handed players; this is a right-handed model.
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
Modern straight-line bridge with bone saddle
The bridge and saddle are part of the model’s stated intonation-focused setup.
Detail 03
Hardshell case
A hardshell case is provided for transport and storage.
Final check
Know before you order
- 01The scale length is 24.9 inches and the nut width is 1.75 inches.
- 02This model has no pickguard.
- 03It has 20 frets, with 14 frets clear of the body.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Is the koa used only for the top?
No. Highly flamed koa is used for the top, back, sides, and headplate.
02What body style does it have?
It uses a 0 concert body style.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
10 detailsPlayability
- Nut Material
- Bone
- Strings
- Authentic Acoustic Lifespan 2.0
- Orientation
- Right handed
- Nut Width
- 1.75
- Number of Frets to Body
- 14
- Number of Frets
- 20
- Number of Strings
- Authentic Acoustic Lifespan 2.0
- Bridge String Spacing
- 2.15625 inch
- Scale Length
- 24.9
- Neck Shape
- Modified low oval
20 detailsBody & build
- Bridge Type
- Modern straight line
- Color
- Natural
- Bridge and End Pin
- White with paua
- Top Finish
- Gloss
- Body Material
- Highly flamed koa
- Top Material
- Highly flamed koa
- Body Finish
- Gloss
- Top Bracing Pattern
- X brace
- Inlays
- Style 3 uke diamond and square
- Side Materials
- Highly flamed koa
- Neck Wood
- Select hardwood
- Top Braces
- Spruce
- Fingerboard Material
- Ebony
- Neck Joint
- Dovetail neck joint
- Pickguard
- None
- Back Material
- Highly flamed koa
- Body Style
- 0 concert
- Body Shape
- 0 concert
- Tuning Machines
- Grover nickel
- Neck Finish
- Satin
1 detailsIn the box
- Case or Gig Bag
- Hardshell
2 detailsOther
- Saddle
- Bone
- Product Type
- Acoustic guitar
