CELESTION T6605 PowerProX18 PRO Audio 18-inch Subwoofer Cast Aluminium Chassis Ferrite Magnet LF Loudspeaker Driver 8-Ohm 1200 W

Maximum Performance in the Most Extreme Applications : Built for the most demanding sonic applications, the Celestion PowerProX18 is an 18-inch 2,400-watt subwoofer purpose-built to bring the low-end rumble. This subwoofers cutting-edge design includes dynamic airflow venting, a polysiloxane laminated dual suspension, and an aluminum demodulation ring - matters perhaps best left to Sweetwaters speaker gurus, but rest assured that they result in the utmost reliability, efficiency, and distortion-free tone. A double-side weatherproof cone coating completes the package by keeping the PowerProX18 protected from moisture while simultaneously cranking up durability. If youre after a low-frequency driver with the utmost power, performance, and reliability. PowerProX speakers are built for maximum performance and reliability throughout the lifespan of each speaker || Dynamic airflow venting delivers class-leading heat management with an average 20C lower voice coil temperature || Polysiloxane laminated dual suspension provides greater stability and improved cone displacement symmetry || Aluminium demodulation ring reduces harmonic and intermodulation distortion caused by voice coil displacement || Double-sided, weatherproof cone coating for moisture protection and enhanced durability || Power rating: Tested for two hours using a continuous, band-limited pink noise signal as per AES standard. Power calculated on minimum impedance. Loudspeaker tested in free air || Continuous power rating: Defined as 3dB greater than the AES rating || Sensitivity: Measured on axis at 1W, 1m in 2p anechoic environment || Parameters: Measured after unit subjected to pre-conditioning signal || Xmax: 0.5*(Hvc-Hg) + 0.25*Hg || Xmech: Maximum peak-to-peak excursion before damage || SPECIFICATIONS || Nominal diameter : 457mm / 18in || Power rating : 1200W || Continuous power rating : 2400W || Rated impedance : 8? || Sensitivity : 97dB || Frequency range : 35-1000Hz || Chassis type : Cast aluminium || Magnet type : Ferrite || Magnet weight : 3.5kg / 124oz || Voice coil diameter : 100mm / 4in || Voice coil material : Round copper || Former material : Glass fibre || Cone material : Glass loaded cellulose, water-resistant coating front & back || Surround material : Cloth-sealed || Suspension : Dual-laminated || Gap height (Hg) : 11.75mm / 0.46in || VC winding height (Hvc) : 25mm / 0.98in ||