I have a Sony 7.1 STR-DE897 receiver connected to my 52 inch HDTV via component + digital optical cables. Also connected to this receiver are 1 x 8 ohm center speaker and 2 x 8 ohm front speakers. I have just bought 2 x 6 ohm JAMO rear surround speakers that will arrive on Feb 3. Will these 6 ohm speakers work with my system without damaging my receiver or the JAMO speakers?