The Black Widow Super Structure remains far ahead of any of its competitors because of its performance and unique design. The cone/basket assembly is field replaceable. The value of this exclusive and unique feature is obvious. No more reconing with all the worrying about whether it was done like the factory did it". No more carrying complete and expensive replacement loudspeakers. With the Black Widow Super Structure, lightweight and relatively inexpensive replacement basket assemblies are all that is needed. The replacement basket assemblies come straight from the factory so the assurance of high quality parts and workmanship comes with each assembly.