"fancy crossover mechanisms" won't create impedance or reactance problems if they are competently engineered.
That said, I have NYAL OTL-4 here, and it loves 8 ohm speakers, impedances that drops below 6 are will tend to constrict the amplifiers power.
Jeff
That said, I have NYAL OTL-4 here, and it loves 8 ohm speakers, impedances that drops below 6 are will tend to constrict the amplifiers power.
Jeff