The first step in speaker enclosure design is obtaining accurate driver T/S parameters. This gave me the chance to use the new Dayton WT3 woofer tester. In less than a minute I had what I needed and was ready for box design. Using Winspeakerz speaker software, I imported the parameters from the WT3. Although this driver models well in both vented and sealed type cabinets, I chose the sealed version with an optimum volume of 1.6 cu. ft. and an f3 of 38 Hz. After taking into account the volume displaced by the driver and the amplifier, I was looking at a total volume of 2 cu. ft. It dawned on me that we offer a cabinet of that size, complete with cutouts for the driver, amp, and spikes in the Dayton 12" Titanic kit.