The model 2425 J Is a professional quality high frequency compression driver which incorporates JBL?s newly developed and unique titanium diamond diaphragm.This titanium diamond structure combines the ruggedness of phenolic and composite type diaphragms with the outstanding frequency response of the fragile aluminum and exotic metal diaphragms Nontoxic titanium has no fatigue Iimit, It can last forever if not over-driven.
Will sell separate