- May 13, 2001
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everyone is pretty much on the same page now with yoyo being right with his assumption. The new receiver is indeed sending out an LFE signal which is being picked up by the sub however unless the sub is connected to the older receiver using the system connection cable it will not turn on. When you plug in the system connecter to the old receiver you can hear the subwoofer click on and click off if you unplug it so that wire is telling the sub it is ok to power on and we can't seem to power it on otherwise.