SDI cables can be much longer than HDMI, SDI can be used for CRT projectors and other non-HDCP equipment...


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.