Mark's series is wrong. That's just parallel with the second speaker 180 degrees out of phase.

For it to be a series the current has to flow through one speaker and then the other before returning to the amp. So the two shouldn't share both wires between them.


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