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Author Topic: Async-USB 24/768 NOS1 up and running!  (Read 43688 times)
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Bigear
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« Reply #30 on: September 21, 2011, 11:50:46 am »

Anyway I would be happy to try my best diy silver cable against the one Peter recommends when my asynchronous NOS1 comes back. I buy into what Peter is saying though and I don't think I am going to hear any difference. Will let you know, it might save a little money  Happy


Hi Nick,

did you test this already?

thanks,

Bigear
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i7 920, Asus MB, Windows 7 Home Premium 64 bit / 6 Gb RAM /no updates / music on SATAII  => XX V9z-6 / adaptive mode / XX buffer 4096 / Q1,2,3,4,5 = 5,0,0,0,0 / unattended / SFS 60 Mb memory straight contiguous / system clock 10ms / CPU Engine 3 / Threadprio RealTime / Playerprio Low / 16x Arc Prediction / Minimise OS / Peak Extend on / Phase invert off => NOS1 USB DAC => Aitos Pre and End amplifiers => PHY-HP KM30 open baffle.  NOT a single capacitor or coil from DAC chip to speaker
Nick
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« Reply #31 on: September 21, 2011, 11:44:18 pm »

Hi Bigear,

Yes I have the home made lead between PC and NOS USB at the moment. To my mind there is an improvement in sound, though not as large as experienced with other USB interfaces i'v used.

In the scheme of things it's a minor tweak i would say, the NOS USB sound with a standard cable is already amazing.

Best Nick.
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Audio PC

C621 motherboard, Xeon 40 thread CPU.

 w10 14393 RAM OS => XX V2.10 / adaptive mode / XX buffer 4096 / NOS USB driver v 1.02 buffer 16ms / Q1,2,3,4,5 = 10,-,1,1,1 / xQ1 =15 / unattended / SFS 0.69Mb / memory straight continuous / system clock 15.0ms / Threadprio RealTime / Playerprio Low / CPU scheme 3-5 / 16x Arc Prediction / Peak Extend off / Phase alignment off / Phase off  / XTweaks : Balanced Load 35 / Nervous Rate 10 (or15) / Cool when Idle n/a / Provide Stable Power 0 / Utilize Cores always 1 / Time Performance Index = Optimal / Time Stability  On =>  Lush USB cable => modified NOS1 USB DAC => no pre amp => Orelo active horn loudspeakers with modified bass channel DSPs.

Music server: X99, Xeon 28 thread PC.

System power two 3kva balanced tranformers with dedicated earth spur.
Bigear
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« Reply #32 on: September 23, 2011, 12:48:27 pm »

Thanks Nick,

hopefully I will get the new USB version soon so I can experience it myself! unsure

- Quint
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i7 920, Asus MB, Windows 7 Home Premium 64 bit / 6 Gb RAM /no updates / music on SATAII  => XX V9z-6 / adaptive mode / XX buffer 4096 / Q1,2,3,4,5 = 5,0,0,0,0 / unattended / SFS 60 Mb memory straight contiguous / system clock 10ms / CPU Engine 3 / Threadprio RealTime / Playerprio Low / 16x Arc Prediction / Minimise OS / Peak Extend on / Phase invert off => NOS1 USB DAC => Aitos Pre and End amplifiers => PHY-HP KM30 open baffle.  NOT a single capacitor or coil from DAC chip to speaker
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