MARTIN D-28 Authentic 1937 Guatemalan Aged Martin J.W. Eastman This humidity control material for

This humidity control material for classical guitars provides the right amount of humidity by simply wetting the moisturizer and inserting it into the sound hole

●Microphone input

and center click point of the knobs and buttons

made from plastic

MARTIN D-28 Authentic 1937 Guatemalan Aged Martin J.W. Eastman This humidity control material forD 28 Authentic 1937 Guatemalan Aged This is the ultimate reissue model, a 1937 D 28 reproduced by the skilled craftsmen of the Martin Custom Shop. The top is made of VTS treated Adirondack spruce, and the back and sides are made of Guatemalan rosewood, which has acoustic properties similar to Jacaranda. In order to reproduce the sound of that time, measurements were taken from the original 1937 model owned by the Martin Museum, and the design was