| Re: Active crossover / sub out Q
My old NHT SA-2 amp has such a crossover. I believe it is 3 position adjustable for signal level, and fixed 120Hz high pass for the speaker level inputs.
Aside from lack of power, it is a very capable sub amp in that regard. One of the first designed to drive a passive sub (and have the built-in crossover). At the time all that was available was plate amps or regular amps (you supplied the crossover).
MCM has kits that have that kind of control. Also check out the plate amps at Madisound, I believe they are slightly different than the PE ones.
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