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Hey guys! I've been watching this site and reading y'all's posts for a couple years and I've finally come up with enough money, time, and knowledge to dive headfirst into my first real car audio install. Now, this "real" install may not seem like a whole lot, but given my shoestring college budget and limited funding it's pretty big for me haha. But anyway, enough chit chat, let's get right down to it: I have been planning this build for about 6 months, when I received the plans for the enclosure (early December), but I didn't have the equipment, funding, or time to do it. I FINALLY got down to business and built and installed it over the last couple days. It took about three days and ~50hrs total with a couple of my friends helping to get it all finished. The good stuff: The enclosure is a 6th order series tuned bandpass, designed for one 2007 model Rockford Fosgate P3D215 500 watt sub. The amp powering it is a Rockford Fosgate P700-1BD. The enclosure is designed for audible performance over a 25-45hz passband, with a bias towards the lower end of that (27-36hz). I gave him the majority of the back end of my jeep, up to seat level, for gross available enclosure volume and he used basically all of it. The internal volume is around 13 cubic feet! Before I had Pete design the enclosure, I sent the sub to him to extract accurate T/S parameters: Needless to say, many of the parameters vary substantially from the OEM specs. Theoretical frequency response and impedance profile at the driver's side headrest. More to come tomorrow!