My NS-10 on the left side keeps cutting out and I have no idea why. Im using copper speaker cables from my Alesis HA300-Sony Subwoofer-NS 10s. (Note: it was doing this before I added the Sony subwoofer too. Also, I recut the cables to the sub and to the speakers after I installed the sub). When I first power everything up the left speaker won't come on until I move the volume on the power amp to 5 clicks(the right side comes on after two clicks) and then I move it back down to three clicks. I've checked all my cables and everything seems to be fine. And after power up if I turn the volume all the way down on the Alesis and then turn it back up to 3 or so, the left side comes on just fine.