May I please ask how is it that you were able to delay the 5M's to be time aligned to the dual Subs by utilizing the DSP within the Sub? Did you maybe implement the Half-cycle/Polarity-swap technique, or some other method, or are the Subs in fact a half (or full) cycle behind the mains in this particular setup. Thanks! (...wanting very much to do this and so am wondering the approach you all happen to take)