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Author Topic: A superoir SQ of the NOS1 with 8x AP only!  (Read 24295 times)
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PeterSt
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« Reply #15 on: May 07, 2014, 10:04:56 am »

Hey ...

A bit similar to the response I just made in Re: Q-settings for Dummies ...

At the moment I myself can't change to 8x (I'm frozen at 16x for now Old) so at least that is the reason I don't try.

On this one - what is the reason that others don't try or don't report about it ? This a bit beyond me.

Are we done ? is all good enough now to really sit back and listen to music only ? Smack !

Regards,
Peter
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For the Stealth III LPS PC :
W10-14393.0 - July 17, 2021 (2.11)
XXHighEnd Mach III Stealth LPS PC -> Xeon Scalable 14/28 core with Hyperthreading On (set to 14/28 cores in BIOS and set to 10/20 cores via Boot Menu) @~660MHz, 48GB, Windows 10 Pro 64 bit build 14393.0 from RAM, music on LAN / Engine#4 Adaptive Mode / Q1/-/3/4/5 = 14/-/0/0/*1*/ Q1Factor = *4* / Dev.Buffer = 4096 / ClockRes = *10ms* / Memory = Straight Contiguous / Include Garbage Collect / SFS = *10.13*  (max 10.13) / not Invert / Phase Alignment Off / Playerprio = Low / ThreadPrio = Realtime / Scheme = Core 3-5 / Not Switch Processors during Playback = Off/ Playback Drive none (see OS from RAM) / UnAttended (Just Start) / Always Copy to XX Drive (see OS from RAM) / Stop Desktop, Remaining, WASAPI and W10 services / Use Remote Desktop / Keep LAN - Not Persist / WallPaper On / OSD Off (!) / Running Time Off / Minimize OS / XTweaks : Balanced Load = *62* / Nervous Rate = *1* / Cool when Idle = n.a / Provide Stable Power = 1 / Utilize Cores always = 1 / Time Performance Index = Optimal / Time Stability = Stable / Custom Filtering *Low* (16x) / Always Clear Proxy before Playback = On -> USB3 from MoBo -> Lush^3
A: W-Y-R-G, B: *W-G* USB 1m00 -> Phisolator 24/768 Phasure NOS1a/G3 75B (BNC Out) async USB DAC, Driver v1.0.4b (16ms) -> B'ASS Current Amplifier -> Blaxius*^2.5* A:B-G, B:B-G Interlink -> Orelo MKII Active Open Baffle Horn Speakers. ET^2 Ethernet from Mach III to Music Server PC (RDC Control).
Removed Switching Supplies from everywhere (also from the PC).

For a general PC :
W10-10586.0 - May 2016 (2.05+)
*XXHighEnd PC -> I7 3930k with Hyperthreading On (12 cores)* @~500MHz, 16GB, Windows 10 Pro 64 bit build 10586.0 from RAM, music on LAN / Engine#4 Adaptive Mode / Q1/-/3/4/5 = 14/-/1/1/1 / Q1Factor = 1 / Dev.Buffer = 4096 / ClockRes = 1ms / Memory = Straight Contiguous / Include Garbage Collect / SFS = 0.10  (max 60) / not Invert / Phase Alignment Off / Playerprio = Low / ThreadPrio = Realtime / Scheme = Core 3-5 / Not Switch Processors during Playback = Off/ Playback Drive none (see OS from RAM) / UnAttended (Just Start) / Always Copy to XX Drive (see OS from RAM) / All Services Off / Keep LAN - Not Persist / WallPaper On / OSD On / Running Time Off / Minimize OS / XTweaks : Balanced Load = *43* / Nervous Rate = 1 / Cool when Idle = 1 / Provide Stable Power = 1 / Utilize Cores always = 1 / Time Performance Index = *Optimal* / Time Stability = *Stable* / Custom Filter *Low* 705600 / -> USB3 *from MoBo* -> Clairixa USB 15cm -> Intona Isolator -> Clairixa USB 1m80 -> 24/768 Phasure NOS1a 75B (BNC Out) async USB DAC, Driver v1.0.4b (4ms) -> Blaxius BNC interlink *-> B'ASS Current Amplifier /w Level4 -> Blaxius Interlink* -> Orelo MKII Active Open Baffle Horn Speakers.
Removed Switching Supplies from everywhere.

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manisandher
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« Reply #16 on: May 07, 2014, 11:01:23 am »

Interestingly, I tried 8x only yesterday evening. I was actually just testing some 24/192 files I'd just made from my new turntable and wanted to hear the difference between native and 2xAP and 4xAP (so 192, 384 and 768). And...

... I prefer the 2x AP, i.e. 384! (This is with switch #5 on, i.e. "DAC is a NOS1".) I didn't have time to try 16/44.1 files with 8xAP, but I will try that this evening.

Somehow, I suspect the BB1704s might be optimal at 8fs rates. Maybe this is why some of the best oversampling filters (e.g. PMD100) were 8x also?

Will report back...

Mani.
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toddn
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« Reply #17 on: May 07, 2014, 08:51:21 pm »

So I've been using 8x only for about 2 weeks, with sporadic listening sessions but enough cumulative time to form some opinion compared to 16x.

I find it more resolving but very relaxed and easy to enjoy without trying to sit there and analytically figure out the difference.

When an artist is singing softly there is a delicacy and naturalness to their voice and as the sound decays to nothing I feel like I hear every last molecule of air leaving their mouth. And when they sing loudly, I never feel like they are shouting unless they really are. I'd say it is more dynamic and fast without a hint of breakup or struggle, really nice, really natural.

The same air movement thing applies to horns and with stringed instruments I hear more of the vibration of the strings and a more natural resonance of the instrument.

In my musical selections thus far, I have not heard any exaggeration of the scale of the performer, instruments or soundstage.

I have not felt the need to return to 16x and when I've tried it, I prefer 8x, but if I had never tried it, I would still be loving 16x and really couldn't find fault with it.

Glad someone tried this because I never would have thought to. Who knows what comes next, but for now I think stick with it.

Todd



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PeterSt
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« Reply #18 on: May 15, 2014, 07:52:36 pm »

Okay ...

Envision my "NOS1a" in lab setup I have been using for the past 7 weeks or something like that. That concerned a completely new NOS1 to begin with and further it's wires all over the place (I don't dare to put up pictures of it, but I should for your all fun).
Burning it in has been a nightmare ("keep on going Peter, just keep on going").
Now :

Since a week or so I have yet another brand new DAC and this one is set up in NOS1a fashion - almost complete production and so far only used for measurements. That one though -thus- can change sampling rates. So today was the day to finally listen to it, or better, listen to 8x instead of 16x. At the moment of this writing exactly one album ago I started playback. Might it be of importance : hooked up to the development PC which is Windows 7, Normal OS Mode and just Attendend ("just do it Peter, just do it").

In brief : This is the Silverstone USB3 card in quadrupule. I actually never heard anything like it, and I am sure what I hear resembles what you said, Joachim.
Yes, why not emphasize your name.
Oh notice, since I never mentioned it I think : The Silverstone has been rendered useless (no influence any more) and it is the first that occurred to me. It felt like a downside at the time. But now it's back (but not assmbled in this PC anyway) and I LOVE what I hear.
As usual I try to place things in a context, so you'll know how things can NOT compare with what you have at this moment :
(but also because I myself am dealing with quite some apples and oranges)

- W7 Attended etc. etc. (FWIW and if all is right nothing - or ehm everything);

- Not broken-in DAC (only played a lot of test signals Happy);

- New Arc Prediction Filter version (oops);

- NOS1a version.

- Does not float (haha). Just saying.

- Oh LOL, just noticed that this uses Mixed Memory. Yeah, well ...

- And of course that 8x.

Peter


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For the Stealth III LPS PC :
W10-14393.0 - July 17, 2021 (2.11)
XXHighEnd Mach III Stealth LPS PC -> Xeon Scalable 14/28 core with Hyperthreading On (set to 14/28 cores in BIOS and set to 10/20 cores via Boot Menu) @~660MHz, 48GB, Windows 10 Pro 64 bit build 14393.0 from RAM, music on LAN / Engine#4 Adaptive Mode / Q1/-/3/4/5 = 14/-/0/0/*1*/ Q1Factor = *4* / Dev.Buffer = 4096 / ClockRes = *10ms* / Memory = Straight Contiguous / Include Garbage Collect / SFS = *10.13*  (max 10.13) / not Invert / Phase Alignment Off / Playerprio = Low / ThreadPrio = Realtime / Scheme = Core 3-5 / Not Switch Processors during Playback = Off/ Playback Drive none (see OS from RAM) / UnAttended (Just Start) / Always Copy to XX Drive (see OS from RAM) / Stop Desktop, Remaining, WASAPI and W10 services / Use Remote Desktop / Keep LAN - Not Persist / WallPaper On / OSD Off (!) / Running Time Off / Minimize OS / XTweaks : Balanced Load = *62* / Nervous Rate = *1* / Cool when Idle = n.a / Provide Stable Power = 1 / Utilize Cores always = 1 / Time Performance Index = Optimal / Time Stability = Stable / Custom Filtering *Low* (16x) / Always Clear Proxy before Playback = On -> USB3 from MoBo -> Lush^3
A: W-Y-R-G, B: *W-G* USB 1m00 -> Phisolator 24/768 Phasure NOS1a/G3 75B (BNC Out) async USB DAC, Driver v1.0.4b (16ms) -> B'ASS Current Amplifier -> Blaxius*^2.5* A:B-G, B:B-G Interlink -> Orelo MKII Active Open Baffle Horn Speakers. ET^2 Ethernet from Mach III to Music Server PC (RDC Control).
Removed Switching Supplies from everywhere (also from the PC).

For a general PC :
W10-10586.0 - May 2016 (2.05+)
*XXHighEnd PC -> I7 3930k with Hyperthreading On (12 cores)* @~500MHz, 16GB, Windows 10 Pro 64 bit build 10586.0 from RAM, music on LAN / Engine#4 Adaptive Mode / Q1/-/3/4/5 = 14/-/1/1/1 / Q1Factor = 1 / Dev.Buffer = 4096 / ClockRes = 1ms / Memory = Straight Contiguous / Include Garbage Collect / SFS = 0.10  (max 60) / not Invert / Phase Alignment Off / Playerprio = Low / ThreadPrio = Realtime / Scheme = Core 3-5 / Not Switch Processors during Playback = Off/ Playback Drive none (see OS from RAM) / UnAttended (Just Start) / Always Copy to XX Drive (see OS from RAM) / All Services Off / Keep LAN - Not Persist / WallPaper On / OSD On / Running Time Off / Minimize OS / XTweaks : Balanced Load = *43* / Nervous Rate = 1 / Cool when Idle = 1 / Provide Stable Power = 1 / Utilize Cores always = 1 / Time Performance Index = *Optimal* / Time Stability = *Stable* / Custom Filter *Low* 705600 / -> USB3 *from MoBo* -> Clairixa USB 15cm -> Intona Isolator -> Clairixa USB 1m80 -> 24/768 Phasure NOS1a 75B (BNC Out) async USB DAC, Driver v1.0.4b (4ms) -> Blaxius BNC interlink *-> B'ASS Current Amplifier /w Level4 -> Blaxius Interlink* -> Orelo MKII Active Open Baffle Horn Speakers.
Removed Switching Supplies from everywhere.

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christoffe
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« Reply #19 on: May 15, 2014, 10:02:35 pm »


- New Arc Prediction Filter version (oops);

- NOS1a version.

Peter

Hi Peter,
good to hear that the we can trust our ears, and that your new AP produces identical/similar results.

Our main concern/question is now, is there a time schedule for the shipping of our NOS1’s to you.

Kind regards

Joachim
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