I don't have all the answers, but see if these help...
The computer sure does like to shift a lot. I'm guessing that may be why that statement was made.i was reading a post where some was adjusting their actuator because of the worn clutches and there was a statement made that i dont understand. it was stated that by using the paddles clutch wear would be less compared to allowing the computer to control clutch engagement.
In practice it should not make any difference, so long as both speakers are wired in the same phase... ie both speaker cones move out together in unison. However, if I remember my stuff from the days of HiFi (predates WiFi by many years) The positive terminal on the speaker should be the one which, when a positive voltage is applied, causes the cone to move outward (from the basket or frame). Simply hook a D-cell battery to the speaker terminals and see which way the cone moves... when it moves out the positive terminal of the battery is hooked to the positive terminal of the speaker.i have ordered two speakers cause the cheap factory ones are blown. i want to get the positive and negative wires on the proper terminals. are the pos and neg terminals located in the same place on each speaker? which one is which when looking at the terminals from the back