Moinsen, have a problem with my Focal kick basses, well, how should i say, so at 10-15mm stroke every direction without stops it blasted away the Dustcap on the right side, is through half the garage.. Nu want i ask, with which I stick the best? Hot glue falls flat, away Membram weight u so u with second glue is i skeptical about the substances that gas out there so.. =/ can anyone help me? PS: thank Hans for the Focal, go like Hur