18inch 1500W rms Subwoofer

Nominal diameter 461(18) mm (in.)
Nominal impedance 8 Ω
Minimum impedance 8 Ω
Program power (1) 3000 W
AES Power rating(2) 1500 W
Sensitivity (3) 96.8 dB
Frequency range 35 ~ 1000 Hz
Voice coil diameter 125(5) mm (in.)
Chassis material Aluminium
Magnet material Ferrite
Magnet dimensions (ODxIDxh) 280 x 140 x 25 mm
Coil material SV
Former material Glass Fiber
Xmax(4) 14.5 mm
Xmech(5) 23 mm
Gap height 14 mm
Voice coil Winding height 36 mm

DC resistance(Re) 6 Ω
Resonance frequency(Fs) 35 Hz
Moving mass(Mms) 271 g
Compliance(Cms) 0.08 mm/N
Force factor(BL) 26.80 N/A
Mechanical Q-factor(Qms) 7.4
Electrical Q-factor(Qes) 0.41
Total Q-factor(Qts) 0.39
Equivalent air volume(Vas) 220 I
Voice coil Inductance(Le) 2.80 mH
Diaphragm area(Sd) 1325 cm2
Reference efficiency(Eta O) 2.6 %

Net weight 21.1 Kg
Multipack size (1) (W x D x H) 485 x 485 x 254 mm
Multipack weight 22.9 Kg