Celestion CF1840JD 1200 Watts RMS / 2400 Watts 18-inch PA Woofer 8 ohm Subwoofer Dual Demodulation Rings

Product Highlights 18" ferrite magnet, cast aluminium chassis LF driver delivering 1200W rms (AES Standard) power handling and 98dB sensitivity 4" high temperature, dual layer, Inside/Outside voice coil for higher efficiency, preventing sensitivity loss through thermal compression Balanced airflow venting provides enhanced cooling FEA optimized magnet assembly and suspension deliver highly symmetrical cone movement, leading to exceptionally low harmonic distortion Vented magnet assembly increases airflow to provide enhanced cooling Twin demodulation rings reduce flux modulation, minimizing electromagnetic distortion Optimized double suspension and "multi-roll" surround provide exceptional linearity at extremes of cone excursion Product Specifications Nominal diameter: 457mm / 18inPower rating: 1200WContinuous power rating: 2400WRated impedance: 8OSensitivity: 97dBFrequency range: 30-2500HzChassis type: Cast aluminumMagnet type: FerriteMagnet weight: 3.18kg / 112ozVoice coil diameter: