C.F. Martin & Co D-15M

Essential Information About the Martin D-15M Guitar

• All mahogany (top, back, and sides) for a warm, woody, and very musical tone.


• Dreadnought format: large acoustic volume, solid projection, and present bass.


• X bracing with Sitka spruce top bracing for a clear response and good dynamics.


• Modern comfort: "Modified Low Oval" neck and pleasant satin finish to the touch.

The D-15M: the "all mahogany" spirit in the Martin dreadnought family

The D-15M follows the tradition of folk dreadnought guitars with a sober and authentic character, featuring a construction focused on essentials: effective lutherie, smooth playability, and a sound identity marked by mahogany. Its natural presentation, satin finish, and classic details (open tuners, "diamonds & squares" inlays) make it an acoustic guitar with a timeless look, designed for long and frequent playing.

For whom, and for which styles?

This 6-string metal-string folk guitar is well suited for intermediate to advanced guitarists seeking an expressive and organic dreadnought, but it remains accessible if you are starting out on a dreadnought format. It excels in strumming (rhythm playing), folk, Americana, blues, country, and pop, while also feeling comfortable with fingerpicking when you want a woodier and less "bright" sound than a spruce top.

Sound characteristics

With a mahogany top, the D-15M emphasizes a rich midrange and a direct attack: the sound is warm, slightly compressed, and very balanced, ideal for supporting vocals or blending into a mix without harshness. The mahogany back and sides reinforce this woody color, with round lows and a softer high end. The dreadnought format provides projection and body, while the X bracing (Sitka spruce top bracing) contributes to good responsiveness and effective dynamics, both with a pick and fingerstyle.

Recommended compatible accessories

To maintain the original feel and balance, you can stick with the Martin SP Lifespan Phosphor Bronze Medium (SP7200) strings (factory-installed set). The guitar comes with a gig bag, and regular string changes along with careful storage will help maintain stability and clarity of sound daily.

Technical specifications

Category	Steel String Shaped Body	Nbrs of frets	20
Format	Dreadnought	Scale (mm)	645 mm
Left handed	No	Tuning pegs	Open, nickel finish, Butterbean buttons
Cutaway	No	Bridge	East Indian rosewood
Strings	Steel	Nut	Bone 42.9 mm (Head), offset bone radius 406 mm (Bridge)
Nbr of strings	6	Original Strings	Martin SP Lifespan Phosphor Bronze Medium (SP7200)
Top	Mahogany	Cover/case	Cover
Back&Sides	Mahogany	Headstock	Massive, With straight collar, East Indian rosewood
Bracing	X	Neck Type	Glued
Nets	Boltaron	Electroacoustic	No
Neck	Mahogany	Color	Brown
Neck format	Modified low oval	Finishing	Satin varnish
Nut Width	42.9 mm	Hardware	Nickel
Marker	Style diamonds & squares

Body type	dreadnought, body/neck joint at the 14th fret	Fingerboard	East Indian rosewood
Back & sides	Mahogany	Inlays	Diamonds & squares style
Top bracing	Sitka spruce	Number of frets	20
Rosette	multiple rings	Scale length	25.4" / 645 mm
Pickguard	faux tortoise	Fingerboard width at 12th fret	54 mm / 2.13"
Binding	Boltaron	Nuts	Bone 42.9 mm (headstock), compensated bone radius 16" / 406 mm (bridge)
Finish	Satin varnish	Bridge type	glued, Belly style
Back & sides finish	satin varnish, dark mahogany finish	String spacing at bridge	54 mm / 2.13"
Neck shape	Modified low oval	Bridge pins	ebony
Neck finish	satin varnish	Tuners	Open gear, nickel finish, Butterbean buttons
Body/neck joint	glued, single dovetail joint