Hello Steve, On the flared ports, do not count the flares. Just the straight part of the ports. Do you have the WinIsd program downloaded? If not, google WinIsd, and download it. I believe that driver is in the database so all you will have to do is play around with different tunings and box...
Hello James, I am not sure if you are aware of the RythmikAudio Servo sub, but it is a 12" TC Sounds driver, 370 watt Servo amp that has outstanding SQ and extension, and pretty decent output also. Check it out @rythmikaudio.com
Hello Morgan, I do not have any experience with the TC sounds woofer or the SVS line of subs, but I do own the Titanic MKIII sub. This is not the kit, although it is the driver and amp supplied in the kit. I built the cab for this sub, 2.4f^3 gross volume, 1" mdf, 1.5" baffle with internal...