Big power audio speaker woofer 18 inch for outdoors 

ITEM:B1318100

General Specifications 

 Nominal diameter:460MM/18 inch 

Nominal impedance:8 ohm 

Nominal Power Handling: 700W 

Continuous Power Handling:1400W 

Sensitivity 1W/1M :97 dB 

 Frequency range: 40 - 2000 Hz 

voice coil diameter: 100mm/4 inch 

Winding Material :Copper 

Magnet : Ferrite ring 

Thiele & Small Parameters 

Fs (Resonance Frequency ):30Hz 

Re (DC Resistance):5.3ohm 

Qms(Mechanical Factor ):8.8 

Qes(Electrical Factor ):0.25 

Qts(Total Factor ):0.24 

Vas(Equivalent Cas Air Load):297L 

Mms(Effective Moving Mass):198gr 

Bl(BL Factor ):26T.m 

Sd(Effettive Piston Area ):113cm² 

Mounting & Shipping Information 

 Overall Diameter :460mm 

Bolt circle Diameter :443mm 

Baffle Cutout Diameter:420mm 

Depth:220mm 

Net Weight:12.8kg Shipping Weight:14kg