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In Reply to: RE: Please recommend your favorite low-cost power line filter posted by Charles Hansen on November 03, 2009 at 14:42:30
I use a Brickwall surge unit. The stock unit sounds pretty good. No real ill effects, just a slight loss in transparency (as compared to using a better AC plug). In my system, dynamics are not affected with the 20A unit.
On a hi-rez system I would replace the captive plug, and perhaps the outlet. I ordered mine with a "hospital grade" outlet that appears to have some nickel plating. One might want to ask Brickwall if they offer an unplated brass outlet. I replaced the brass plug with a solid copper plug and gained some transparency-resolution.
I think the filtering is pretty mild. The unit is mostly for surge protection.
I have a BPT Pure Power Center downstream of this for my audio system. I also have my video system plugged into the Brickwall. I don't have any noise problems (even with the TV on). I believe in large part to the Kaplan cables I use, and the BPT. The microwave oven will put a bit of noise into the system if it's running. No big deal to me as I can control its use.
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