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RE: MMG MiniDSP and bi-amp Questions

Posted by neolith on February 24, 2012 at 12:45:15:
If you have a symmetric first order crossover than the phase difference of the LP filter and and HP filter is a constant 90 degrees at all frequencies. It doesn't matter if the polarity is reversed since the difference is still 90 degrees.
However this does hold up with an asymmetric crossover and in that case changing the polarity may very well result in a different phase relation and a "dip".