The Selenium by JBL D250-X is a compression driver with a light-weight and strong phenolic diaphragm designed for medium reproduction in indoor sound systems and small PA systems. The 1" exit fits most Selenium horns. The voice coil is made of high temperature wire wound on Kapton® former to withstand high operating temperatures. A precisely engineered diaphragm structure and alignment mechanism for easy, reliable, cost effective repair in case of diaphragm failure.
Power Using Crossover (12db/oct): AES (HPF 500Hz) 40 (active)/ AES (HPF 1kHz) 43 (active)
Musical Program Power Crossover: (HPF 500Hz) 80 (active) 150 (passive) / (HPF 1kHz) 86 (active) 200 (passive)
Nominal Impedance: 8 ohms
Voice Coil Diameter: 51mm
Frequency Response: 400-9,000 Hz
SPL: 107 (Horn)/ 116 (Plane-Wave Tube) dB 2.83V/1m