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iFi AC iPurifier - Video Mini Series - The look, the tech, the lowdown. MORE ADDED!

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  1. Alcophone
    Sadly, it's too big to only occupy one socket on my power strip. Bit of a design flaw.
     
  2. iFi audio
    Duly noted, thanks.
     
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  3. Mediahound
    Try one of these: http://amzn.to/2FaZ7yD

    Many many AC adapters themselves take up more than one socket on a power strip. Would you say that all of those have a design flaw?
     
    Last edited: Jan 7, 2018
  4. Alcophone
    Wrong orientation, but I get your drift (I have some of those, very useful for wallwarts indeed). If I design a device that I intend people to insert multiple of into the same power strip, it better be slim enough to not take away more slots than necessary. But they didn't even bother to make sure the front has the same orientation as the plugs in the back, so I'm expecting too much, clearly.
    Still, I'm grateful for the improved imaging, but this clearly could have used some field testing with customers.
    Main reason I mention it, though, is so people who are interested in it can take it into account (maybe they also need a bigger power strip, or an extension cord like you mention), not to offend you.
     
  5. wakka992
    sorry guys, you said you've edited but I'm really not following pics with description...
    You say "All SMPS power supplies should then be located after the third AC iPurifier"... but the 3rd on the pics is on the wall...

    Also I'd like to ask two specific question:
    - in case the only SMPS in my system is your low noise iPower 5V, do I still have to use 2 iPurifier AC on the same power strip to separate SMPS from LPS (on in the first socket and one between SMPS/LPS) or if only one iPurifier AC in the first socket of the power strip is enough?
    - since you specifically say to put this iPower AC on the FIRST socket of the power strip, is it right to assume that this product won't work as expected on a star-wired power strip? (i.e. it will work at it's best with a standard wired power strip, where the first power and swiching modules is connected to the second, the second to the third etc...?).

    Thanks for your input!
     
  6. iFi audio
    Our bad. It should be: "All SMPS power supplies should then be located after the first AC iPurifier"

    We'll address your questions shortly.
     
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  7. wakka992
    Thank for the reply iFi Audio.

    So your example "we recommend that all linear power supplies are located after the second AC iPurifier but before the third. All SMPS power supplies should then be located after the third AC iPurifier." should be rephrased in "we recommend that all linear power supplies are located after the second AC iPurifier but before the first. All SMPS power supplies should then be located after the first AC iPurifier."
    Following your pics it should be SMPS in the "analogue equipment" section and LPS in the "digital equipment" one, isn't it?

    Thanks as always! :L3000:
     
  8. Mediahound
    How is that even possible?

    I received one today and to me it sounds best in the AC wall outlet, at least for my system.
     
    Last edited: Jan 12, 2018
  9. iFi audio
    Please take a look at the picture in one of our recent post. What is unclear to you?

    And that's very good. If it works for you in such a configureation, great!
     
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  10. littlexx26
    i have bought total 4 ac purifiers today. i can tell it does make difference (even only one used), both analogue and digital devices. clarity is now up to another level. i already have 2 industrial filters in use and this ac purifier still can make further improvement.
     
  11. iFi audio
    That's good to hear!
     
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  12. goodvibes
    It will depend on the system and power supply used. Switching supplies often dirty the mains in a way the linear supplies can't always clear up. Best to have linear supplies on everything including the digital kit. IMO. There is no need to separate analog from digital kit if all use linear supplies. They are (correctly) assuming switching power supplies in digital kit which is most often the case at moderate price points. In my experience, this sort of capacitive bandwidth limiting, which is how you parallel filter, usually makes good analog kit sound less snappy but could be an overall plus for systems with less good linear supplies, TVs and other switching supplies in them. I personally would prefer a few turns around ferrite on the power leads in front of switching supplies and to leave the linear portion untouched. When the switching supply is on a wall wart, seperate them on a power strip or extension cord and put the ferrite ring on that. Doesn't mean I'm right but I'm personally not a fan of the capacitor method but this may be a bit unfair as I'm used to better home kit that pays great attention to their own linear power supplies that don't use additional filtering before the transformer.
     
    Last edited: Jan 17, 2018
  13. iFi audio
    As far as the SMPS vs LPS matter goes, it's more about what one does witch each than anything else.
     
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  14. goodvibes
    [​IMG]
     
    Alcophone likes this.
  15. goodvibes
    On a more serious note, I agree and think companies lIke LInn have done a good job with SM though not so much when they started with them. It's also why i used the moderate price qualifier. TVs and PCs are usually quite dirty.
     
    Last edited: Jan 19, 2018
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