The article you read is correct. Not only do you have to remove the passive crossovers, you have to use amps with separate power supplies, and place active crossovers before those amps.

No matter how the receiver maker has it labeled, you're not bi-amping.


Pioneer PDP-5020FD, Marantz SR6011
Axiom M5HP, VP160HP, QS8
Sony PS4, surround backs
-Chris