High Temperature 4-Layer Aluminum Flat Wire Voice Coil (Made in USA). Large aluminum Faraday Ring (Magnet ID). Pole Cap Faraday Ring / Air-Flow Optimization Plug. Stitched-On Double-XL Tinsel Leads to prevent fatigue and failure.
High strength, custom tooled & patented cast aluminum frame. Optimized for small ported & band-pass enclosures. These features combine to create the optimized coil ventilation system. DC Resistance (Re): 4.0. Resonance Frequency (Fs): 25.0 Hz.
Equivalent Volume (Vas): 156.2 L. Electrical Q Factor (Qes): 0.58. Mechanical Q Factor (Qms): 5.07. Total Q Factor (Qts): 0.52. Voice Coil Inductance (Le): 1.65 mH.
Force Factor (BL): 22.5 NA. Air Load (Mms): 467 g. Suspension Compliance (Cms): 0.09 mm/N. Sensitivity: 88.1 dB 1w / 1m.Outside Diameter: 18.42 in. Cutout Diameter: 16.69 in. Recommended Port Area: 112 sq. In order to maintain an inventory of 100%, Brand New, A-Stock, untouched products, all sales are final.
We ask that you please be sure you are ordering the correct product. The item "SUNDOWN AUDIO Z-18 V.
5 D2 18 2000W RMS DUAL 2-OHM SUBWOOFER BASS SPEAKER NEW" is in sale since Thursday, July 21, 2016. This item is in the category "Consumer Electronics\Vehicle Electronics & GPS\Car Audio\Car Subwoofers".The seller is "woofersetc_outlet" and is located in Los Angeles, California. This item can be shipped worldwide.