I have always been confused about impedance (Ohms). I have Miller-Kriesels as my speakers in the theater. The LCRs (THX-750) can handle 4 Ohms, but the surrounds (550 THX) are rated for 8 Ohms. So which do I set my receiver to (Sony STR-DA5600ES); 8 or 4?
I do calibrate to THX standards (75 db), but that doesn't account for impedance.
Can you clear things up for me?