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Posts by Yviena

Somewhere on the ipower forum threads ifi have actually said that the filtering on the ipower is both incoming and outgoing noise so it shouldn't put out mains noise either.
Hmm actually looking at the new ifi spdif purifier, and the theory behind the Genesis digital lense, it looks like jitter is completely eliminated excluding inherent jitter in the clock/pll used. If this is true then a ddc won't probably be necessary anymore with the purifier also having galvanic isolation. Correct me if im wrong.
First thing i would actually recommend to anyone who uses speakers is fix up your room, and get diffusers/absorbers/super chunks in corners.   I just did this and the improvement i got is leagues above any dac/amp/device i can think of. Your good to go tough if you only use headphones,  I'm probably not the norm tho since i strive to get my frequency response as flat as possible. even using studio monitors.
They should have made the SU-1 with a dc jack instead of a transformer, less emi/rfi inside chassis and cleaner power if buying a lps.
What tools did you use to make the holes?
I think one reason for the higher price is the use of metall instead of the plastic used in ipower.
I thought most spdif implementations already have that via pulse transformers.
Looking at the spdif purifier i see it takes power from a usb slot so i hope it's immune to PS noise or atleast ifi makes a ipower version for it.
A cheap way to get very clean power to your F1 would be a ipower 5V a female usb dc barrel adapter and a split usb cable.I seen some measurements of the ipower noise being around -100db aka 1uv.That way you can have the f1 electrically isolated from the pc/source
Looking at it the only difference between 9038 and 9028 seems to be less SNR and -2 THD right?
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