Sure doesn't sound like it to me Antonio. I don't know why a waste my time trying to help you - you just see it a some ego challenge.

If you don't know the impedence curve of your drive unit, and it's crossoverless and a nominal 4 ohm load, I'm amazed any idiot would advise you to rip out circuitry from your amp bu then perhaps I shouldn't be surprised by the insanity of certain elements of the hobby that you seem to embrace.