167
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Ultimate Audio Playback / Phasure NOS1 DAC / Re: Jitter
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on: May 11, 2014, 06:24:47 pm
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Hi Peter,
Wow, this sounds great. XXHighend having no effect on SQ anymore also means that we just can use a 'normal' pc. The only requirement is that it has enough CPU and memory power to do the job? No special psu needed for the pc? No minimised OS?
And offcourse I need to order the upgraded NOS1!
Regards, Arjan
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171
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Ultimate Audio Playback / Playback Tweaks and Source related subjects / Re: Further Isolation of the Silverstone PCIe - USB Card
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on: February 02, 2014, 07:14:27 pm
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Hi Anthony, I use a separate lps for the 3.3v and the 5v goes via picoPsu powered pc by another lps. So everything on linear power. I do not have more pops then before, only my doorbell is (and was). But plugging in another usb on the same card stops the music. So it is more tricky now. But it works fine!
You should try W7! W7 is more relaxing were W8 is more realism with some too agressive highs. But maybe better for another thread about W7 and W8. Regards, Arjan
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173
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Ultimate Audio Playback / XXHighEnd PC / Re: Investigating a full linear PSU for the XXHE PC and NOS1
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on: January 20, 2014, 09:18:41 am
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Hi Anthony, About the SQ: overall more rest. We were able to play the music louder then before. The soundstage is deeper! And more details can be heard. The notes seems to be longer, and the voices are really nice. The SQ is really a step forward.
Before I used the same bequiet atx psu as used in the xxhighend pc.
I also switched (later on) from the Paul Pang usb to the Silverstone (isolated) usb. I do not have issues with Ssss's. They are there but really depending on the recordings and voice. Maybe later I will make the changes to the Paul Pang and try that card again. but for now I like the Silverstone.
I am also thinking about buying the Paul Pang picopsu, to see the improvement on a standard picopsu.
regards, Arjan
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174
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Ultimate Audio Playback / XXHighEnd PC / Re: Investigating a full linear PSU for the XXHE PC and NOS1
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on: January 19, 2014, 06:48:52 pm
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Hi Peter, I do not know. It sounds easy, but I changes the cooling fans to less noisy ones and made them adjustable. Also the power supply is heavy and in a closed cabinet gives some issues with heat. And two times the computer restarted without a reason. So stability seems less than with a normal atx supply. Is it the picoPsu? I think this is not a final solution. But now I know what a good linear supply can do. The power supply does never go above 6A (12V) so that seems to be far below the limits of the picoPsu. (160 xt with 200watt peak) I will use this setup the coming weeks and see how it proceed. Regards
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