the-encoder

I've recently bought a Denon 3808CI and Klipsch RF-5. I have a Cerwin Vega RE-6C and a bunch of other random speakers for 7.1 system... But I expect to just end up Bi-Amping the RF-5's. My subwoofer situation is a mess... I had 1 10" speaker and the plate amp I believe is 200-250 but can't find any information, I put 2 10" subs in an old ported box but tbh it just isn't enough. I know 2 10" = more than most air displaced by a lot of HT subs but I'm looking for a decent solution... I've thought about HSU VT3-MK5 I think it is.... I really like the SVS PC12 but I'mgetting ragged trying to read about good subs as so many don't offer a place to listen to them but do offer a trial... I don't want to be on the line for shipping back if I decide its not enough. Main aspect is good home theater sub but tbh I will expect it to have high output with music with good sounding bass. If no one has anything for sell suggestions would be awesome. I honesly want to spend 500 bucks but after looking through stuff I dread that i will probably have to spend 800 bucks to get what I'm after.