Nightshade NS-Series NS6 12" 3000W Subwoofer NS v.6

3500 Watt RMS / 7000 Watt Peak Dual 1 or 2 ohm voice coils Optional carbon cone/dustcap available Custom tooled basket Custom-tooled ultra-linear spider packs Extended shorting ring Eight-layer voice coil Custom tooled basket Cast aluminum cooling ring Ultra-linear spider pack Unique air exchanging system forces hot air out and cool air in Aluminum vent ring Ultra-linear Mega Roll V2 surround  Features: The Nightshade 3,000-watt Neodymium sub is engineered to deliver incredibly powerful low end, with an extremely linear excursion and next-level thermal management. It features an eight-layer voice coil for excellent power handling and an extended shorting ring to minimize distortion and deliver a smooth, highly accurate sound at extreme SPL levels. Specifications: NS V.6 12 RE (Ohms) 1.8468 3.3377 FS (Hz) 37.6157 37.1375 VAS (L) 11.7603 11.8372 Qes 0.4665 0.4388 Qms 5.0189 5.2560 Qts 0.4268 0.4050 Le (mH) 1.6495 3.1147 BL (NA) 20.5703 28.6043 Mms (Gra