The second part of the Martin Guitar hyphenated nomenclature is usually a number. It refers to the ornamentation of the guitar, as well as cluing us in on what tone woods were used in its construction.

As the Style number increases, you will find more intricate ornamentation.

Style 18 is the most basic style of Dovetail Martin Guitars.

It is constructed with a Spruce Top and Mahogany Back and Sides.

You will have to dive deeper to find the exact species of Spruce and Mahogany.

Style 18 instruments are coveted for their balanced tone.