Celestion CF18VJD 18-inch Subwoofer Speaker 1,600 Watt RMS 8-ohm

Product Features18" ferrite magnet, cast aluminum chassis LF driver delivering 1600Wrms (AES Standard) power handling and 97dB sensitivity5" high temperature, dual layer, Inside/Outside voice coil for higher efficiency, preventing sensitivity loss through thermal compressionFEA optimized magnet assembly delivers highly symmetrical cone - movement, leading to exceptionally low harmonic distortionVented front plate increases airflow to provide enhanced coolingTwin demodulation rings reduce flux modulation, minimizing electromagnetic distortionDouble suspension and "multi-roll" surround provide exceptional linearity at extremes of cone excursion General Specifications Nominal diameter: 460mm/18inPower rating: 1600W rmsNominal impedance: 8ÎSensitivity: 97dBFrequency range: 25Hz-1500HzVoice coil diameter: 125mm/5inChassis type: Cast aluminiumMagnet type: FerriteCoil material: Round copperFormer material: Glass fibreCone material: Carbon and Kevlar loaded paperSurround material: Cloth sealed