Professional Series Ported 12" Enclosure NVX VSW12v3 · Single 12" Ported enclosure

Sealed, the VSW12v3 needs 1.47 cubic feet net to reach a Qtc of 0.707. Vented, it trades that for deeper extension. The slot is gated at 720 W, 1.2 times NVX's rating: the channel runs 18.9 m/s and the mouth 11.3, and the cone peaks at 8.0 of its 13.5 mm with the subsonic filter in place. Tuning is chosen for in-car response rather than an anechoic curve: a vehicle adds roughly 12 dB per octave below about 45 Hz, and this tuning is where that sum comes out flattest across 25 to 60 Hz.

The VSW12v3 also builds in the Performance Optimized ported wedge and ported down-fire, the smaller and cheaper boxes. The Professional cabinet is the step up for it: a 2.25 inch three-layer baffle with the woofer flush in the outer layer, and a slot port gated at 720 W. It carries a 2 year warranty, against 1 year on the Performance Optimized lines.

Threaded inserts pressed into the baffle on the published 11.730 inch bolt circle, stainless machine screws included. The inserts are in the baffle when it arrives; the machine screws are in the terminal cup bag.

Yes, at 27 Hz, 24 dB per octave. Below tuning a vented box stops loading the cone and excursion runs away toward DC. With the filter in place this cabinet puts the NVX VSW12v3 at 59 percent of its usable travel at 720 W.

Below about 23 Hz, yes. The sealed wedge we build for it is louder down there by up to 2.9 dB, because a sealed box rolls off gently into the subsonic region where a vented one falls away steeply once it is under tuning. Above that this alignment is the louder of the two for the same power. The Performance Graphs tab plots this cabinet, 1.41 cubic feet vented at 34.0 Hz, against the 1.60 cu ft sealed wedge we build for this driver (PO 12-S W VSW), so you can see exactly where they cross.

It is a vertical slot beside the woofer, the full height of the cavity, 1.75 inches wide and 25.4 square inches. It runs 6.25 inches to the back wall and turns once along it for 21.73 inches; the fold costs about 1.5 Hz and the port is cut for it. The channel runs at 18.9 metres per second at 720 W, 47 percent of its turbulence limit, and the mouth edges carry a 1/2 inch roundover so the air leaves the face at 11.3 metres per second against the 17 metres per second threshold where a slot starts to chuff.

54 lb, 32.00" W x 16.00" H x 11.75" D external. Every Professional cabinet is priced the same way, by its size: this one is 3.48 cubic feet outside. Delivery to the 48 states is inside the price; it ships as a 54 lb parcel and checkout adds nothing. Do not add polyfill; it ships dry on purpose.

No. This is an enclosure only, cut for the NVX VSW12v3 specifically: the 11.220 inch cutout, the 6.450 inch mounting depth allowance and the 1.41 cubic foot alignment all come from NVX's published parameters. It fits both coil versions (D2 and D4), and the cabinet was checked against both. Bring your own driver.