set to 2.1 and turned off the sub. when you say to turn off eq? all eq settings are at 0. do you mean to play directly no processing? the left and right are playing and sounds like its coming from the centre.

LCR's M5HPOW
Rears QS-10
2-Velodyne VDR12-BV
Onkyo TX-NR757
Optoma HD142x w/115" DIY AT Spandex screen