mono blocks with a powered sub?


I recently purchased a pair of Paradigm Studio 40v4's. I also incorporated a SVS PB12 NSD powered subwoofer. My pre amp is a Carver ct7 with only one set of pre outs. I have ran my pre-outs to the sub, and from the sub to my Carver TFM 24. I plan on upgrading both pre and amp in the near future.I know there's a way, but I'm not sure how to hook up mono blocks while incorporating the sub. Will a pre-amp with 2 pre-out jacks solve this problem.

Also, a public thanks to member Bob reynolds for all his advice, it's helped me quite a bit.
sprink
About the only caveat I see using "splitters" coming off the preamp so the signal can be sent to both sub & amps, is I believe the impedance the preamp sees is gonna change.

A preamp with good gain say, 18DB+, should be fine.
try a REL SL series sub, to be connected to your speakers and fully adjustable for blending in.
Onemug,
I didn't take your response as "demeaning" at all. To be frank, I want a system thats aesthetically pleasing to both the eyes and sonically to the ears. I actually like the look of mono's as compared to a single stereo amp. That may seem ridiculous to most of you, but that's the way I want it. Anyway, I am very pleased with the way it sounds now, however in the future 4-6 months or so, I'l continue upgrading.

Again, thanks for all the info and responses.
Post removed