I have a carver 880 home theatre receiver. I have a pair of klipsch rb 25' s I run in parallel for the center channel at 4ohms, a pair of rf3's for the front speakers I run at 8 ohms, and a pair of yamaha 8.2's with a passive sub-woofer (2 channel) run at 4 ohms for the rear channel. Does this pose a problem or any danger to my receiver? Thanks for any feedback!