I picked up a single Jl 12w3v3-4ohm with a max rms of 500W at 4ohm and I'm trying to find a good amp for that sub. Budget is $500 or less for amp, I've been looking at the JL jd1000/1, AudioControl LC -1.800, and the JL jd500/1 amplifiers. I am planning to run the sub in a custom ported...