18 inch full range neodymium line array PRO audio professional, 900watts speakers for dj sound box

MODEL: R1318N125

General Specifications 

 Nominal diameter:466MM/18 inch 

Nominal impedance:8 ohm 

Nominal Power Handling: 900W 

Continuous Power Handling:1800W 

Sensitivity 1W/1M :97 dB 

 Frequency range: 35 - 1500 Hz 

voice coil diameter: 100mm/4 inch 

Winding Material :Copper 

Magnet : Neodymium Ring 

Thiele & Small Parameters 

Fs (Resonance Frequency ):34Hz 

Re (DC Resistance):5.1ohm 

Qms(Mechanical Factor ):7.32 

Qes(Electrical Factor ):0.23 

Qts(Total Factor ):0.22 

Vas(Equivalent Cas Air Load):160L 

Mms(Effective Moving Mass):158gr 

Bl(BL Factor ):27.8T.m 

Sd(Effettive Piston Area ):922cm² 

Mounting & Shipping Information 

 Overall Diameter :466mm 

Bolt circle Diameter :442mm 

Baffle Cutout Diameter:421mm 

Depth:210mm 

Net Weight:10.5kg Shipping Weight:12kg