What do the letters and numbers mean in your model names?
Martin Guitar’s basic model designation system begins with a letter or 0 which denotes the body size including 0, 00, 000, 0000, Jumbo, D, Performing Artist, and Grand Jumbo. The following number designates the appointment level. For example, the 15 series includes mahogany, no bindings, and a satin finish. 16, 18, and 28 represent the upgrade to rosewood back and sides. H designates herringbone and scalloped braces. 35, 40, 41, 42 and 45 add represent the addition of pearl. 50 and 100 include highly decorative inlay. The number is also used indicate the price of the instrument. E indicates the model is an acoustic electric.