You can do either but the replacement dome is cheaper, so that's what Paradigm will send you under warrantee.
The best way to replace the dome is to remove the entire tweeter so that you can work with it placed horizontally on the work surface. Replacing it in situ is difficult.
Kal
The best way to replace the dome is to remove the entire tweeter so that you can work with it placed horizontally on the work surface. Replacing it in situ is difficult.
Kal