Professional 18'' Passive Line Array Speaker

Specifications Application Low-Middle Nominal Diameter : mm 460(18'') Nominal Impedance : Ohm 8  RMS Power Input : W 500  MAX Power Input : W 1000  Sensitivity (1W/1M) : dB 92.6 Frequency Range : Hz 38-2500 Voice Coil Diameter : mm 100(4'') Voice Coil Winding Material : Copper Voice Coil Former Material : Glass Fibre Voice Coil Winding Depth : mm 23.3 Magnetic Gap Depth : mm 10  Surround Material : Polycotton Surround Design : Triple-roll Basket : Aluminum Magnet : Φ220 Ferrite Ring Thiele & Small Parameters Resonance Frequency : Fs Hz 38 DC Resistance : Re  Ohm 5 Mechanical Q Factor : Qms 8.06  Electrical Q Factor : Qes 0.80  Total  Quality Factor : Qts 0.73  Equivalent Volume : Vas  L 169 Effective Moving Mass : Mms  g 208.1 Mechanical Compliance : Cms        μm/N 83.4 BL Factor : BL T.m 17.7 Effective Piston Area : Sd cm² 1194.6 η(Eta Zero) : η0 1.10% Max.Linear Excursion : Xmax mm ±7 Mounting Information Overall Diameter : mm 465  Mounting Holes Diameter : mm 445  Bolt Circle Diameter : mm 8xΦ7 Baffle Cut-Out Diameter : mm 423  Overall Depth : mm 198  Net Weight : kg 11.36 Shipping Weight : kg 11.96 Shipping Box(Single) : cm 48*48*20.5 Shipping Weight  (1 Unit) : kg 12.96 Shipping Box  (1 Unit) : cm 48*48*25