I must have been a bit too harsh then, when determining if there started to be some distortion. My D1500 was set to quite a bit from MAX, my Bc Acoustique as well.

HD621, G98DH, G68ADV, Bc Acoustiqe ACT A3, 5200C DSP33, NuForce Reference 9 monoblocks, 2x SB3's, Velodyne DD-15 & DD-12 Subwoofers and a Meridian sub.