Minimus-0.3 Cube (400-1250B) Care and Maintenance Faxback Doc. # 14002 Speaker System CARE OF THE FINISH The enclosure is made of a fine furniture grade particle board,covered with walnut-grain vinyl veneer. Treat it as you would any any fine piece of furniture. Don't place equipment on top of the enclosure. this may mar the finish. (ALL-03/08/95)