Wow. This is totally the opposite experience to mine. I just plugged everything in and (when I finally got sound out of all channels) turned it on.
I've only ballanced things by ear. I flipped back and forth between two channel and 5.1 listening to Tulls aqualung, I couldn't tell the difference between the M80s on large in two channel and with the sub playing (not much bass on this album).
Even with the ELP debut album, which has some really low bass and lots of it, the 350 blended effortlessly. There was no doubt on this album that the sub was producing lots of bass.
