I'm considering building a pair of subwoofers -- actually "super woofers" might be a better description -- and I have a crossover design question.

The drivers will be Dayton Reference 10" High Fidelity Sub models, see here ... They'll go into sealed enclosures.

Signal will come from the integrated amp's pre-out connections and through Behringer crossover to my old Phase Linear 400 amp and thence to the speakers. See the Behringer I intend to use ... So the question us given I'm using the Behringer active crossover, do I need to need to include a Zobel impedance compenstion filter as I would with a passive crossover design??