SUNDOWN AUDIO Nightshade v.4 18" (2500-watts)-DVC-1OHM

 FULLY STOCKED! 

SUB DEPTH 15 1/4"

SUB MOTOR WIDTH 6 1/2"

It has some great new features to increase power handling and to keep heat away from the Neo magnets:

** Side-Vented Motor (more efficient than gap venting)
** Newly Tooled Cast Aluminum Venting Ring (transfers heat from the motor into the basket)
** Aluminum "top-plate" to transfer heat into the vent ring more effectively
** Additional aluminum heat-sink below the Neo Magnets (this is internal and cannot be seen from the outside)
** Solid pole-piece for high velocity air movement across the coil former

Features & Highlights:

2500-watts RMS
80mm long 3" Diameter Flat Wound USA Made Voice Coil Standard
** Optional 8-layer for SPL applications (These are ~70mm long)
23% More Motor Force than NS v.3 with stock coil
Lower inductance than NS v.3
Only ~50 pounds