The best way to hook up an Acoustimass system is to take the left, right, and center speaker wiress from the 1050 to the bass module and then on to the cubes. The subwoofer will need to be turned off and the left, right, and center channels set to "large." The crossover that you select will affect the surrounds only, and the low frequency from those channels (along with the LFE channel) will be re-directed to the left and right channels. It sounds like you have already tried this -- you might try setting it back up this way and then using the test tones to calibrate the system. If you still have problems, let us know.

It may be of interest to you to know that the reason I upgraded from my AM7 was the way that the 1050 had of making the limitations of the Acoustimass system so much clearer -- they sounded better than with my old receiver, but the absence of high end and the hole between 200Hz and 280Hz was more apparent.

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