Martin Super HD-28 Standard Series Acoustic Guitar - Aging Toner 808 Day! A fixed internal overtone control

A fixed internal overtone control focuses the tonal response of the drum

Spatifier decorrelates the signal in the left and right channels while retaining the “mono compatibility”

Versatile Soft or Hard LFO

spring reverbs

crank or ratchet

Martin Super HD-28 Standard Series Acoustic Guitar - Aging Toner 808 Day! A fixed internal overtone controlThe Martin Super HD 28 expands on the legendary Style 28 Dreadnought with a larger than life design. With 20% more internal air volume than a standard Dreadnought, this Super D body offers thunderous bass and unmatched projection. A solid spruce top, paired with solid East Indian rosewood back and sides, delivers rich overtones and a complex sound that will only open up over time. Forward shifted Golden Era scalloped X bracing, as featured on the