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ifi ipower X

how did that work out for u?
It was amazing! I had to wait for the PS to break in for 500 hours. But then, the taste really opened up. The depth, the clarity, the layers and the separation of flavors was like nothing I've had before...It's like I had a much more resolving kettle all of a sudden. Highly recommended! Word to the wise, though: don't try it until it's fully broken in or you'll be disappointed.
 
xpower 5volt use to with supercapacitor
to singxer su2
no compressed sound
i use ian-canada-ucpi-universal-ultracapacitor have1-2 amp to drive singxer su2
but to do much better will buy farad super3 with supercapacitor
as well as modified singxer su2 with shunt regulator
OSCON Ultra low ESR caps, ELNA capacitors and WIMA film caps
ifi xpower 5volt is a good power supply
try see measurement ipower supply
try to see how wallmart smtp power supply measures
 
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Re 5V supercap Rpi upgrade: I'm sure the brass spikes are a significant contributor to there being more "there" there in the SQ. A novel idea for a power supply. Can't tell from the photo but I hope they don't conduct to the ground plane.
I should try this idea on my noisy wall wart powering my DAC. I'm sure a couple 20d construction nails thru it into the wall will stop the noise it's feeding into my AC mains.


ian-canada-ucpi-universal-ultracapacitor-power-supply-board-for-raspberry-pi.jpg
 
I have tried replacing the stock power supply for several pieces of gear with a 5V/3A iFi iPowerX. For an iFi iPurifier SPDIF and a Bluesound Nano I convinced myself it sounded better than the iPower2 that came with the iPurifier or the 5V usb phone cube that came with the Nano.

I tried the iPurifer because I was having hand shake issues between a Node N130 and a Chord QuteHD DAC. The iPurifier with the stock iPower2 supply sounded worse than without it. Trying the iFi iPowerX improved the sound a lot. This was in my main system with some power conditioning. I ultimately found the intermittent handshake problem was due to a faulty BNC/RCA adapter on my coax cable. Once that was resolved I no longer needed the iPurifier and sold it.

I kept the iPowerX, and have tried it in other 5V applications, like the Nano in my smaller office system. After swapping the iPowerX in and out multiple times I found it offered greater clarity on the leading and trailing edge of notes and noticeably better soundstage presentation with the Nano. Both the stock and iFi power supplies were used in concert with a decent power conditioner in this commercial office environment with unknown AC quality, but lots of computers, fluorescent lights and dimmer switches around.

Interestingly, I did not experience the same positive result with the iPowerX and either a Chord Qutest or Mojo2 DAC, either at home on a dedicated power line or in the office environment. In fact I thought the iPowerX sounded worse than the stock Chord switching supply. YMMV.

kn
 
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Fringe case here I know, but I tried an IFI ipower 1 and ipower x on a bunch of retro consoles with some degree of analogue noise issues(buzz and such). On my Megadrive model 1 va4 the noise floor was very noticeably improved using these psu's, also on my SFC jr to a lesser degree.

So they absolutely do work, just YMMV.
 
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