I've got a slight fuzz with my CD3403... BUT I think that's the way it's supposed to be. It's pronounced enough that I do notice it over my previous head unit and it is worse with an external amp. Although it's unlikely that this is the case with you, I'll post a link anyway.

http://forum.sounddomain.com/forum/ultimatebb.cgi?ubb=get_topic;f=8;t=010898#000021

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Fronts: Focal HC130 (5 1/4 inch) Co-axials.
Rears: Nil.
Headunit: Eclipse CD3403.
Amplifier: Audison SrX5