17" DSP8000 LF - Positive
15.6" DSP5500 HC- Positive
17" DSP8000 RF - Positive
11" DSP7000 LR - Positive
11" DSP7000 RR - Positive

Then again, I've nevered played with the Phase, as I assumed a digital spkr should be all + (by default).

Lumin A1, Shindo Aurieges, Sanders Loudspeakers. DSP5000.