The AB36B is a highly advanced design that incorporates Cerwin-Vegas 50 years of experience in building some of the industrys best known subwoofers. Its design makes it ideal for use in the most demanding environments where pure bass power is the goal. Among the long list of new features is a signature front panel design that acts as a convection heat sink design to provide greatly increased thermal power handling with decreased power compression; a new 4 diameter voice coil; a new and contempor