Celestion FTR18-4080HDX FTR Series 18-inch 1,000 Watts RMS Subwoofer 8-ohm SUB
18-inch, cast aluminum chassis, ferrite magnet LF driver
Glass loaded paper cone with weather-resistant impregnation
Optimized double suspension
Airflow vented magnet assembly for dynamic heat dispersion
SPECIFICATIONS
Nominal diameter 457mm / 18in
Power rating 1000W
Continuous power rating 2000W
Rated impedance 8Ω
Sensitivity 95dB
Frequency range 30-2500Hz
Chassis type Cast aluminum
Magnet type Ferrite
Magnet weight 3.1kg / 110oz
Voice coil diameter 100mm / 4in
Voice coil material Round copper
Former material Glass fibre
Cone material Glass loaded paper (weather-resistant)
Surround material Cloth-sealed
Suspension Double
Gap height (Hg) 9.5mm / 0.37in
VC winding height (Hvc) 25mm / 0.99in
PARAMETERS
Sd 1134.12cm2 / 175.79in2
Fs 39.20Hz
Mms 171.75g / 6.06oz
Qms 5.387
Qes 0.466
Qts 0.429
Re 5.00Ω
Vas 174.88l / 6.18ft3
BI 21.29Tm
Cms 0.10mm/N
Rms 7.85kg/s
Le (at 1kHz) 1.79mH
Xmax 10.1mm / 0.4in
MOUNTING INFORMATION
Overall diameter 452mm / 17.8in
Overall depth 205mm / 8.1in
Cut-out diameter 416mm / 16.38in
Mounting hole dimensions 10x7mm / 0.4x0.27in
Number of mounting holes 8
Mounting hole PCD 429-440mm / 16.89-17.32in
Unit weight 9.8kg / 21.6lb