Buckingham, I am glad the Golden Cross power cord worked out for you. I don't understand why 5 or 6 feet of power cord makes such an important difference but once you hear it, there is no going back.
If you ever get a few bucks to "invest" you might try a Shunyata (not the sidewinder) power cord on your source and move the Cardas Golden to your amp. For your preamp, almost anything will work okay - so.. try an Absolute Power cord or something decent but not too expensive.
Also, it is a good idea to mix and match power cords - be careful about using too many PC's from one manufacturer.
If you ever get a few bucks to "invest" you might try a Shunyata (not the sidewinder) power cord on your source and move the Cardas Golden to your amp. For your preamp, almost anything will work okay - so.. try an Absolute Power cord or something decent but not too expensive.
Also, it is a good idea to mix and match power cords - be careful about using too many PC's from one manufacturer.