Joining the existing VLF208 and VLF212 models, the newly updated VLF218 is a dual 18-inch subwoofer system with a slim profile and rugged Baltic birch-ply enclosure. With power handling of 1600W continuous (4000W program) and sensitivity of 99dB/W/m, it offers "exceptional punch, high output, and low distortion". Additionally, the drivers may be configured internally to be driven by a single amp (1600W @ 4 ohms) or by dual amplifiers (800W @ 8 ohms each).
The VLF218 uses a combination of techniques to keep voice coil temperatures low to avoid power compression that causes reduced output at higher volume levels. Using a proprietary method known as Active-Air Cooling, the motor structures of each driver are situated inside of the port where the outside moving air actively removes heat from the assembly. Additionally, cone movement drives air through the vented magnet pole-piece to cool the motor structures further.
(Jim Evans)
