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In Reply to: RE: iFi DC Purifier usage with KingRex linear PSU posted by Quint on November 23, 2016 at 03:47:45
I'm using the dc ipurifier on my xfinity x1 box ( which also uses a switcher ) and it does improve both the picture and audio ( in my system ), but I also have the dc cable wrapped seceral times around a large nanocrystalline torroid, and have a shakti stone sitting on top of the box. He newer cable boxes are light and acoustically, as well as electrically noisy. A linear supply probably would be better, but I don't have one on hand that meets the requirements.
As far as the dc ipurifier improving a linear supply, I suppose that depends on the quality of the linear supply. It did improve my Virtue 1 amplifier, but the linear supply I'm using with that is not of the highest quality. I suspect many of the less expensive power supplies are not well filtered and can pass along noise from the ac as well as diode switching noise. For the price, I think it's worth trying, but only you can decide if it would be for you. Good linear supplies are not cheap.
I have absolutely no experiance with the device you originally posted about, so no opinion on that.
Follow Ups:
If handy with a soldering iron and not averse to building a kit, the AMB Sigma 11 is a very nice unit. It's a little more involved than most kits in that you have to procure the chassis (case) and many of the required parts on your own, but assembly is pretty straightforward and there's lots of information in the associated forum if help is needed. Wide selection of output voltages that it can be configured for as well. I just built one for my reclocker and am very happy with it. All-in cost was about $150, and you can't touch a good fully manufactured linear supply for anywhere close to that.
If you don't want to spend $150 these kits are excellent.
"It is better to remain silent and thought a fool, then speak and remove all doubt." A. Lincoln
That's a really nice looking option. Thanks for the link!
To do a standalone unit you'll still need a case, IEC socket, switch, umbilical, etc., but I would imagine you could bring it all in for less than a c-note, which is a really attractive price for a good linear supply.
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