Professional Series Ported 12" Enclosure Sony XS-W124ES · Single 12" Ported enclosure

A Qts of 0.77 means no sealed box reaches Butterworth: sealed at 1.25 cubic feet it is a Qtc of 1.08, in Sony's own 0.84 cubic foot box 1.20. Vented, the driver settles. The slot is gated at 600 W, 1.2 times Sony's rating: the channel runs 22.4 m/s against a 22.6 gate and the mouth 11.6, and the cone peaks at 7.8 of its 8.9 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 XS-W124ES 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 600 W. It carries a 2 year warranty, against 1 year on the Performance Optimized lines.

Threaded inserts pressed into the baffle on the published 12.126 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 30 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 Sony XS-W124ES at 88 percent of its usable travel at 600 W.

The two alignments converge at the bottom of the band on this driver rather than crossing cleanly, so there is no meaningful subsonic advantage either way. Above 25 Hz the vent is the louder of the two for the same power. The Performance Graphs tab plots this cabinet, 1.41 cubic feet vented at 37.5 Hz, against Sony's recommended sealed box, 0.84 cu ft, so you can judge it yourself.

It is a vertical slot beside the woofer, the full height of the cavity, 1.25 inches wide and 18.1 square inches. It runs 5.25 inches to the back wall and turns once along it for 8.20 inches; the fold costs about 1.5 Hz and the port is cut for it. The channel runs at 22.4 metres per second at 600 W, 54 percent of its turbulence limit, and the mouth edges carry a 1/2 inch roundover so the air leaves the face at 11.6 metres per second against the 17 metres per second threshold where a slot starts to chuff.

48 lb, 32.00" W x 16.00" H x 10.25" D external. Every Professional cabinet is priced the same way, by its size: this one is 3.04 cubic feet outside. Delivery to the 48 states is inside the price; it ships as a 48 lb parcel and checkout adds nothing. Do not add polyfill; it ships dry on purpose.

No. This is an enclosure only, cut for the Sony XS-W124ES specifically: the 11.125 inch cutout, the 5.882 inch mounting depth allowance and the 1.41 cubic foot alignment all come from Sony's published parameters. It fits both coil versions; the alignment published here is the SVC. Bring your own driver.