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All:I'm using a 12V KingRex linear power supply with my Acoustic Revive Schumann Resonance Generator. However, after reading some positive reviews about iFi's DC Purifier, I was thinking of trying a Purifier between the AR and the PSU. Has anyone tried this, either with the KingRex or some other linear PSU? I know it's a long shot, but if anyone has experimented with the Purifier in this kind of application, I'd love to hear your results. Many thanks!
This is a public service announcement . . . WITH GUITARS!!!
Edits: 11/22/16Follow Ups:
Far from the iPurifier helping my high quality supplies, it is those supplies that help improve the iPurifier wrt to SQ!
I don't have any experience with the iFi unit, but it's intended to reduce noise in switch mode power supplies, and that type of noise doesn't exist in your linear PSU. It may end up being detrimental to the sound if it doesn't act on any noise that does exist and simply adds another connection to the chain.
Thanks a lot, bcowen. I wondered if the linear PSU made the iFi unnecessary, but I wasn't sure.
I'm still curious what it might do on my high-def cable box, which does have an SMPS.
Thanks again.
This is a public service announcement . . . WITH GUITARS!!!
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.
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.
It could make a nice difference in that application. I've only purchased one iFi item (iPower supply) but I was quite impressed with it. Nicely built, nicely packaged, and made a noticeable difference replacing the factory supplied wall wart. No experience with any of their other offerings, but if they're done as well as the iPower, they should be a very good value for the money.
Of course, if you're a videophile (I'm not), you should probably get a linear supply for the cable box. :)
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