I have had both the SA8000HD and SA8300HD thru Adelphia. There are 2 reasons that are causing the SD channels to looks worse:
1) The new box is recording. The DVR has to compress the analog video signal into a digital video file to get the DVR benefits. This isn't usually that noticeable.
2) You either just got an HDTV and are seeing the SD signal in more detail than before (happened to me) or you already had an HDTV and are using the "Zoom" feature on the cable box to stretch the image to fit the HDTV. Generally, the video scaling/conversion features of the box don't look as good as the ones built into the HDTV.
I personally use component cables for both HD and SD and like the picture quality, YMMV.
Hope that helps.
1) The new box is recording. The DVR has to compress the analog video signal into a digital video file to get the DVR benefits. This isn't usually that noticeable.
2) You either just got an HDTV and are seeing the SD signal in more detail than before (happened to me) or you already had an HDTV and are using the "Zoom" feature on the cable box to stretch the image to fit the HDTV. Generally, the video scaling/conversion features of the box don't look as good as the ones built into the HDTV.
I personally use component cables for both HD and SD and like the picture quality, YMMV.
Hope that helps.