The Deuterium Cab combines the open top end and three dimensional sound of an open back cabinet with the authoritative, punchy low end of a closed back cabinet. The bottom speaker is in its own sealed chamber while the top half of the cabinet is a good, old fashioned, open back cabinet. Solid pine construction harkens back to the golden era of American guitar amplifiers. The smooth coned WGS G12C/S speakers provide warm, detailed American tone, with a smooth top end that won't take your head off.