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RE: active crossover install

Posted by neolith on October 12, 2016 at 07:31:47:
When you say you ran the Magnepan stock settings, did you follow Magnepan's recommendation for active biamping? If so, it will not sound right. You need to emulate the OEM which means a 4th order (L-R) LP at 280 hz (not 3rd order at 250 hz) and a 1st order HP at 200 Hz.
The next question is what amps? Are they the same, and, if not, were the gains matched?

Finally, the obvious, were the cables connected correctly and the correct jumpers removed. It's real easy to reverse polarity or even direct the low end to the mid-tweeter (trust me I have been there).

I would not blame the cables and connectors if they sounded good with a single amp setup.

Also, A SET amp probably is not the answer as Maggies just love muscle. I do agree that a tube preamp (with SS amps) seems to work well.