So this amp is for surround back speakers, presumably (split from the one center surround output and going to both channels of the amp). That is fine.



Left, right, center, and both surrounds from ICBM to amp. Again, all is well. You've also got a cable from the ICBM to your sub (or two of them, if you are running two subs).



I'm a little unsure of this step. There should be seven interconnects: left, right, center, left surround, right surround, surround back, and subwoofer. The Y-adapters should not be needed. You do not want to combine two surround back channels to one input; to connect the surround back channel(s) through the ICBM, you probably want to configure the Onkyo to think that it has only one surround back speaker and connect that single pre-amp output (probably the left, but you'll want to check the manual to be sure).



Don't forget the sub -- that'd make six interconnects. Also, you will want a digital audio cable between the Toshiba and the Onkyo.



Revised count is 20 analog interconnects, one digital audio cable, and one Y-adapter.

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