Mabee Center is an 11,300-seat multi-purpose arena, located on the campus of Oral Roberts University, in Tulsa, Oklahoma, USA ... . With configurations ranging from a 1,274-seat theater to an 11,300-seat basketball/concert arena. The building opened in 1972 and was designed by architect Frank Wallace, who designed most of the buildings on the ORU campus. It carries the name of Tulsa oilman John Mabee, whose foundation donated $1 million toward its construction. read more