I agree with Tvad. A dedicated line, at the least, for your front end may be all you need. If you still have that "brightness" and believe it is your cdp, I'd think of another cdp. I wouldn't look to power conditioning or new power cords to save the day. I don't believe in using power cords (any cords, cables, etc) as a preamp with bass and treble controls. Power cords should allow the inherent qualities of your system to come through. It's a tricky thing. peace, warren