The D250-X is a compression driver with a light-weight and strong phenolic diaphragm designed for medium band (voice) reproduction in indoor sound systems and small PA systems.
The 1inch (25 mm) exit fits all Selenium horns with a 25 model number ending (HL14-25, HC23-25 and so on). Its high density magnetic assembly.
The voice coil is made of high temperature wire wound on Kapton former to withstand high operating temperatures.