1000watt sub

Hi guys. I've been doing a little research on these subs, as I currently have a 10" Type R in a 1.75 cu ft box at 34 hz. I am looking to upgrade to a 12, as the 10 just isn't loud enough for me. It will be in an identical box, with the same 1000 watt Rms amp powering it. Based on what I've been...