Celestion PowerProX18 18" Subwoofer LF Loudspeaker 1,200 Watt RMS 8-ohm
18-inch, cast aluminum chassis, ferrite magnet LF loudspeaker
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
Aluminum demodulation ring reduces harmonic and intermodulation distortion caused by voice coil displacement
Double-sided, weatherproof cone coating for moisture protection and enhanced durability
SPECIFICATIONS
Nominal diameter 457mm / 18in
Power rating 1200W
Continuous power rating 2400W
Rated impedance 8Ω
Sensitivity 97dB
Frequency range 35-1000Hz
Chassis type Cast aluminum
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
PARAMETERS
Sd 1210.0cm2 / 187.6in2
Fs 34.8Hz
Mms 229.98g / 8.1oz
Qms 3.147
Qes 0.431
Qts 0.379
Re 5.1Ω
Vas 188.9l / 6.67ft3
BI 24.38Tm
Cms 0.091mm/N
Rms 15.96kg/s
Le (at 1kHz) 1.61mH
Xmax 9.5mm / 0.37in
Xmech 48mm / 1.9in
Efficiency η 01.8%
MOUNTING INFORMATION
Overall diameter 460mm / 18.1in
Overall depth 225mm / 8.9in
Cut-out diameter 414mm / 16.29in
Mounting hole dimensions 11x7mm / 0.43x0.28in
Number of mounting holes 8
Mounting hole PCD 441-432mm / 17.36-17.31in
Flange & gasket thickness 16.2mm / 0.64in
Unit weight 13.2kg / 29.1lb