I use a PF-800 with a PF-410HLF. It's lows are pretty monstrous - especially with a low B. I have two PF-410HLFs so when I need the 800watts (or just want it) I have that option. I've never played my head with an SVT-212AV, but I would go with the PF-410HLF. At 8ohms you always have the...