Hello! I have 2x speakers per channel both are 8ohms, as well as the 2x terminals on the bottom speaker, I have 4 terminals for bi-wiring on the upper speaker, am I able to wire both sides series/parallel for stereo use? (I have a stereo valve amplifier) So far i have only been able to find diagrams showing the use of this wiring technique with 4x speakers per channel. Many thanks!