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Author Topic: B'ASS Current Amplifier  (Read 120901 times)
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PeterSt
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« Reply #255 on: November 17, 2016, 05:39:59 pm »

Oh boy ...

2 months or so back, I blew something in my own NOS1a and I replaced it for two days with another NOS1a I had laying around and which was waiting for the B'ASS upgrade already;
What I noticed was that this NOS1a, being cold as stone, sounded quite nice right form its box. At that moment I had the idea that it was sounding possibly better than my own NOS1a, just because it sounded so good right from the start, thus cold from the box.

Two weeks ago we came back from a small vacation, and all the audio gear had been off for a week;
I noticed that nothing told me that all had been off for a week indeed. Maybe I got used to the car radio and found my home system infinitely better ?
It creaped on to me that the B'ASS possibly was related to this all. I mean, it could be that this device "made" all what requires warm up, did not really need that any more.


Yesterday something of the other way around happened;
Once again I blew something (I get better and better at that) and again I grabbed the same NOS1a still waiting for its B'ASS upgrade, instead.

Can anyone guess what I did "wrong" here ?
ok

I couldn't at first either.
But after 15 minutes or so I started to think seriously whether I really had taken the same NOS1a as 2 months ago. Hmm ... I sure did. But why was it so super UNinterestingly sounding, flat-ish, no sparkle, no dimensions anywhere. Something must be wrong with it suddenly.
And then it came to me ...

Even two months ago I never thought of the fact that I had been replacing my own NOS1a with another one without removing the B'ASS from the chain. I just replaced out-going Interlinks (which I reach from the front side), never seeing what's at the end of them. Well, yesterday I did the very same. One difference : no B'ASS at the other end, because that now sits in my own NOS1a. So I removed the B'ASS together with my NOS1a, without really knowing / thinking about it.
OMG, what a difference !


This must have been the most objective "blindfolded" test ever.
Now, I don't want to debunk our own products which even are regarded the best in the world, but ... it still will be so that you are all listening to what I regard "bad sounding" these days.
You should start looking forward seriously !!
biglol
Peter
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W10-14393.0 - Oct 31, 2018 (2.10)
XXHighEnd Mach III Stealth LPS PC -> Xeon Scalable 14/28 core with Hyperthreading On (set to 10/20 cores) @~660MHz, 48GB, Windows 10 Pro 64 bit build 14393.0 from RAM, music on LAN / Engine#4 Adaptive Mode / Q1/-/3/4/5 = 30/-/1/1/1/ Q1Factor = 10 / Dev.Buffer = 4096 / ClockRes = 15ms / Memory = Straight Contiguous / Include Garbage Collect / SFS = 140.19  (max 140.19) / 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 = 35 / Nervous Rate = 10 / Cool when Idle = n.a / Provide Stable Power = 0 / Utilize Cores always = 1 / Time Performance Index = Optimal / Time Stability = Stable / *Arc Prediction Filtering (16x)* / Always Clear Proxy before Playback = On -> USB3 from MoBo -> Lush^2*A:B-W-Y-R, B:B-W-R* 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 A:B-R, B:B-R* Interlink -> Orelo MKII Active Open Baffle Horn Speakers.
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.
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« Reply #256 on: November 17, 2016, 05:42:25 pm »

One small issue at this moment : I don't know what is happening in China, but the final PCBs required for the B'ASS/G3 are more than a week over due and the guys don't respond to my emails either.
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W10-14393.0 - Oct 31, 2018 (2.10)
XXHighEnd Mach III Stealth LPS PC -> Xeon Scalable 14/28 core with Hyperthreading On (set to 10/20 cores) @~660MHz, 48GB, Windows 10 Pro 64 bit build 14393.0 from RAM, music on LAN / Engine#4 Adaptive Mode / Q1/-/3/4/5 = 30/-/1/1/1/ Q1Factor = 10 / Dev.Buffer = 4096 / ClockRes = 15ms / Memory = Straight Contiguous / Include Garbage Collect / SFS = 140.19  (max 140.19) / 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 = 35 / Nervous Rate = 10 / Cool when Idle = n.a / Provide Stable Power = 0 / Utilize Cores always = 1 / Time Performance Index = Optimal / Time Stability = Stable / *Arc Prediction Filtering (16x)* / Always Clear Proxy before Playback = On -> USB3 from MoBo -> Lush^2*A:B-W-Y-R, B:B-W-R* 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 A:B-R, B:B-R* Interlink -> Orelo MKII Active Open Baffle Horn Speakers.
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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PeterSt
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« Reply #257 on: November 23, 2016, 03:09:31 pm »



Now let's pray a bit that it works. scare
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For the Stealth III LPS PC :
W10-14393.0 - Oct 31, 2018 (2.10)
XXHighEnd Mach III Stealth LPS PC -> Xeon Scalable 14/28 core with Hyperthreading On (set to 10/20 cores) @~660MHz, 48GB, Windows 10 Pro 64 bit build 14393.0 from RAM, music on LAN / Engine#4 Adaptive Mode / Q1/-/3/4/5 = 30/-/1/1/1/ Q1Factor = 10 / Dev.Buffer = 4096 / ClockRes = 15ms / Memory = Straight Contiguous / Include Garbage Collect / SFS = 140.19  (max 140.19) / 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 = 35 / Nervous Rate = 10 / Cool when Idle = n.a / Provide Stable Power = 0 / Utilize Cores always = 1 / Time Performance Index = Optimal / Time Stability = Stable / *Arc Prediction Filtering (16x)* / Always Clear Proxy before Playback = On -> USB3 from MoBo -> Lush^2*A:B-W-Y-R, B:B-W-R* 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 A:B-R, B:B-R* Interlink -> Orelo MKII Active Open Baffle Horn Speakers.
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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PeterSt
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« Reply #258 on: December 02, 2016, 03:29:20 pm »

Dear All,

It has been a hard week in trying to get the B'ASS right in its latest version as "G3" Gain Stage. But 5 days in a row is really sufficient to know that something must be wrong in the PCB.
It runs all right, but noise is not on par and for one of the channels even less than not so good. Chips on that channel reach 55C where the better channel remains at 35C, which probably is an indication that oscillation is going on because of that noise. Hard to tell what's first though.

FYI : It thus takes a full week to break down all the possibilities of error sources, thinking about building up a board bit by bit until errors occur. From then on you will know what step causes it to be wrong which does not mean you will know the cause. In this situation it is almost worse that I know that the concept works because the previous two boards worked fine, so you keep on trying. And so I think that something is wrong in the boards which starts with me myself possibly making a mistake in the layout of them, which would be a tough call (haha) but it has to be something. If we can find the error regarding this then nothing is lost (I now assume it can be fixed somehow) and when we can not find the error then it's possibly best to revert to the previous version (2.0). Anyway that will be three weeks of waiting again, because that version I had made in the amount of 10 only, while each channel requires 1, thus I'd have for five DACs which in the end is four because I use 2 boards myself.

sorry
Peter
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For the Stealth III LPS PC :
W10-14393.0 - Oct 31, 2018 (2.10)
XXHighEnd Mach III Stealth LPS PC -> Xeon Scalable 14/28 core with Hyperthreading On (set to 10/20 cores) @~660MHz, 48GB, Windows 10 Pro 64 bit build 14393.0 from RAM, music on LAN / Engine#4 Adaptive Mode / Q1/-/3/4/5 = 30/-/1/1/1/ Q1Factor = 10 / Dev.Buffer = 4096 / ClockRes = 15ms / Memory = Straight Contiguous / Include Garbage Collect / SFS = 140.19  (max 140.19) / 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 = 35 / Nervous Rate = 10 / Cool when Idle = n.a / Provide Stable Power = 0 / Utilize Cores always = 1 / Time Performance Index = Optimal / Time Stability = Stable / *Arc Prediction Filtering (16x)* / Always Clear Proxy before Playback = On -> USB3 from MoBo -> Lush^2*A:B-W-Y-R, B:B-W-R* 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 A:B-R, B:B-R* Interlink -> Orelo MKII Active Open Baffle Horn Speakers.
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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« Reply #259 on: December 02, 2016, 03:53:51 pm »

Peter,

Please don't be so heavy on yourself. You said in another topic that you are obsessed with the best SQ possible and we know that you have achieved it in so many ways. I certainly consider myself very lucky to have all I already have because of your sense of perfection. Like we use to say here, "I won't complain with my mouth full already".

Take it easy on yourself (if you can) Happy

Alain



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Desktop with ASUS Sabertooth X79 motherboard,Intel 3930k 6 cores (+ 6) at 1.2 GHZ,32GB ram 1333Mhz,Win 10 pro build 14386 64 bit with no updates,OS + XXHE on external Sata III SSD (Esata), music (WAV) on external 5200 rpm drive through network, OS MInimized, XX with engine 4 adaptive,4096 (buffer size), CPU with scheme 3,Player = Low,Thread = RealTime, Q1 = 14,Q345 = 1,1,1,Q1x=1,Clock res = (variable),Stop Desktop Services,Stop Remaining Services,Stop Wasapi,,LAN on,persist = on,all OSD off,SFS = 2,PE off,PA off, Arc Prediction,x16 Upsample, Straight Contiguous,Lush USB  cable,Phasure NOS1a DAC,Meitner PA-6 preamp, Spectral Audio DMA-180  Power Amp, Tannoy System 15 DMT II, Tannoy St-100 supertweeters, Tannoy TS2.12 subwoofers (2). * On hiatus for a while...
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« Reply #260 on: December 02, 2016, 09:02:26 pm »

Peter,

I want to second Alain's sentiments.  It has really been a most amazing experience to participate in your obsession with perfect sound, and this community which goes so much beyond customers and vendors.

I had some "audiophile" visitors over a couple of weeks ago, and they were literally shocked at what they heard; and this is with the LX521 speakers.

Ramesh
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Audio PC: Stealth III PC; RAM-OS W10 14393.0. 
XXHE version 2.10c.
Music Server: XXHE PC, RDC to Audio PC
XXHE settings: Q1 30x10, Q3/4/5 1/1/1, SFS 140.19 (Max 140.19), Clock Res 15ms, Core Scheme:3-5, Driver Buffer 16ms, Balanced Load 35, Nervous Rate 10.
Audio PC -> Lush^2 USB cable (A: B-W-Y-R; B: B-W-R -> NOS1(a,75B, G3) -> Blaxius cables (BNC) -> Orelo Mk II active speakers
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« Reply #261 on: December 02, 2016, 10:56:48 pm »

Hi Peter,

Please take your time to make it right.  For me there is no real difference between waiting 3 more weeks or 3 more months.

Cheers,

Anthony
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XXHighEnd 2.09 RAM-OS (W14393 RAM)
Engine#4 Adaptive Mode / Buffer 4096 / Q1/3/4/5 = 14/1/1/1 / xQ1 = 1 / Processor Core Appointment Scheme = Core 1-3 / PlayerPrio = Low / ThreadPrio = RealTime / ClockRes = 1ms / Not Switch during playback = off / Xtweaks Balanced Load = 43 / Nervous Rate = 100 / Cool when idle = 1 / Provide stable power = 0 / Utilize cores always = 1 / Time Stability = Stable / Time Performance Index = Optimal / SFS 0.90MB Max 120MB / Straight Contiguous / Include Garbage Collect = on / Start Playback during conversion = off / Do not start playback at all = off / Copy to XX-drive by standard = on / Always clear Proxy before Playback = on / Stop Remaining Desktop Services = on / Stop Desktop Services = on / Stop Remaining Services = on / Stop WASAPI Services = on / Stop W10 Services = off / Keep LAN Services = on / Persist = off / Use Remote Desktop = on/ Arc Predict / Minimize OS = on / Peak Extend = off / Unattended

Audio Chain
Stealth MachII PC >> Lush USB 1.5m >> NOS1a G3 B75, Driver v1.0.4 (4ms) >> Placette Active Linestage >> 6 way active horn speakers (Single Ended Triodes)
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« Reply #262 on: December 03, 2016, 08:39:26 am »

Hi Peter, no problem on my part either, take the time you need until you are satisfied with the SQ. That's the best guarantee for everyone.

Cheers,
Juan
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Audio Pc: Processor i7 970: 3200MHz (reduced to 1668MHz), 6+6 cores/ RAM Corsair DDR3, 24Gb, 1333MHz/ Mb Asus X58 Sabertooth/ OS and XXHE in Peter's RAM-Disk / The CPU fan is the only one in the Audio Pc: NF-S12A (600rpm/6.7db)/ No graphic card/ Power supply: Seasonic SS-400FL2, fanless.

Configuration and Updates in HOW I'VE BUILT MY NEW PC...http://www.phasure.com/index.php?topic=1673.0

XXHighEnd: 2.10. Windows 10 Pro 64 bit build 14393.0 from RAM, music on LAN/ KS:Phasure NOS1 Out 4.0/ #4 Engine/ Adaptive Mode/ Q1=30 Q3=1, Q4=1, Q5=1, xQ1=40/ Dev.Buffer: 4096/ ClockRes: 15ms/ Straight Contiguous/ SFS: 5.19 (max 120)/ Not Invert/ Phase Alignment Off/ Allow format change/ Decode HDCD/ Playerprio: Low/ ThreadPrio: Real Time/ Scheme: Core 3-5/ UnAttended/ Not Switch during Playback Off/ Playback Drive none/ UnAttended/ Include Garbage Collect/ Copy to XX Drive by standard/ Always clear Proxy before Playback/ Stop Desktop Services/ Stop Remaining Services/ Stop All Services: Off/ Keep LAN Services: On - Persist: Off/ Use Remote Desktop/ Minimize OS/ XTweaks : Balanced Load 52/ Nervous Rate 10/ Cool when Idle -/ Provide Stable Power 0/ Utilize Cores always 1/ Time Performance Index: Optimal / Time Stability: Stable / Arc Prediction.

Music Server PC (W10) totally silent with OS (W10) in SSD and music inside in SSDs - RDC > Ethernet Gigabyte cable 3m > Audio Pc > 1m USB Lush cable directly from the USB3.0 in the motherboard > PHASURE NOS1a-75B-G3 (Driver v1.0.4) 16ms > Blaxius BNC interconnects > Genelec 1037B 3-Way Active speakers with BNC inputs
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« Reply #263 on: December 14, 2016, 06:10:20 pm »


Thank you so much for your warming words !

Again 11 days further I can now say that this little project (ahum) succeeded after all. And how !

After countable failures and things changed and what not, yesterday morning I thought of something that I wanted to have in this design and what slipped out of it because of space constraints : an isolated part (two actually) on the board for the ultra low voltage regulation. Why ? well, because none of the boards with the similar design (including those for the power amps which functioned as the base for the B'ASS/G3) wanted to work well with the regulation on-board. The kind of stupid thing is that v2 of the B'ASS (which I am using for 2 months or so by now) *does* work regarding this, although I can see habits of "instability". Anyway, this put my attention away from the culprit, which ended up to be quite similar to the power amp situations as well as v1 of the B'ASS. So ... that v1 version I used for about a year in a row, but with the regulation off-board. And nothing wrong with that.
And so a new v3 board was starting to develop yesterday and bit by bit it was tested, and made larger (for necessary components).

30 minutes ago it was full-fletched and the most extended usage (which is also going through the largest chain of components) now looks like this :


It may not tell you much, but to me this looks superb (this is 16/44.1 and balanced output) and the THD+N is not only 0.0002% better (mind you, this is still a few dB at that level) but it is foremost most stable. So let's say that with all this work to find out the source of the (about 10dB of) too much noise and with all the component testing and trialling, it is now more robust than the gain stage of the NOS1(a) ever was. You can just see it by the THD+N being rock steady in itself (it is not the one second 0.0001% higher as the next second).

Funny thing is also, that while what you see above thus is balanced (XLR) output, SE (RCA) output is hardly worse, if only not this longest chain is used. This is because this longest chain implies a higher 2nd harmonic (I see I never made a screenshot of that) meaning that it is higher than the others which are about all equal (see first picture above). But when *not* this longest chain is used, and actually the one proposed by me, all is equal to what Balanced output shows, and then to know that the signal output of SE is 6dB less. Again it may tell you nothing, but when new NOS1a's go out they need to comply to THD+N figures, and coincidentally that number for Balanced output (which is the measure) is now the same number but for the RCA output. So this is seriously better.

This I want to show you too :


as it meant a record for me on low THD+N (this is a 24 bit signal).

And how does it sound ? ... I don't know yet because we now need some other definite "fixtures" first plus this is a test board not containing my own SQ related chips (remember, yours too are pulled over from your momentary gain stage).
The fixtures are about the two now outboard ultra low noise regulators which a. must fit somewhere, b. must be fixated in a sturdy fashion not looking too much like a hobby-job (nothing is made for it in the case, obviousy) and which also involves some additional work. Apart from two additional PCB's, 4 more expensive capacitors are extra and I assume it is fine when the B'ASS costs 30 euros more because of it, including that extra labor.

Regards,
Peter
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For the Stealth III LPS PC :
W10-14393.0 - Oct 31, 2018 (2.10)
XXHighEnd Mach III Stealth LPS PC -> Xeon Scalable 14/28 core with Hyperthreading On (set to 10/20 cores) @~660MHz, 48GB, Windows 10 Pro 64 bit build 14393.0 from RAM, music on LAN / Engine#4 Adaptive Mode / Q1/-/3/4/5 = 30/-/1/1/1/ Q1Factor = 10 / Dev.Buffer = 4096 / ClockRes = 15ms / Memory = Straight Contiguous / Include Garbage Collect / SFS = 140.19  (max 140.19) / 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 = 35 / Nervous Rate = 10 / Cool when Idle = n.a / Provide Stable Power = 0 / Utilize Cores always = 1 / Time Performance Index = Optimal / Time Stability = Stable / *Arc Prediction Filtering (16x)* / Always Clear Proxy before Playback = On -> USB3 from MoBo -> Lush^2*A:B-W-Y-R, B:B-W-R* 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 A:B-R, B:B-R* Interlink -> Orelo MKII Active Open Baffle Horn Speakers.
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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Scroobius
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« Reply #264 on: December 15, 2016, 12:23:45 pm »

Specs look very nice Peter!!
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W10-14393.0 - RAM Disc XXHighEnd Mach II Stealth LPS PC -> Xeon E5 2040v4 with Hyperthreading On (20 cores)* @~720MHz, 32GB, 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 = *3.0*  (max 120) / 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 = 100 / Cool when Idle = n.a / Provide Stable Power = 0/ Utilize Cores always = 1 / Time Performance Index = Not the best (OS from RAM issue) / Time Stability = Off (OS from RAM issue) / Custom Filter low(12220) 705600 / -> USB3 from MoBo -> Lush USB 70cm -> Phisolator -> 24/768 Phasure NOS1a G3 75B (BNC Out) async USB DAC, Driver v1.0.4b (4ms) -> Blaxius BNC interlink -> Orelino MkII Active Open Baffle Horn Speakers.
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« Reply #265 on: December 15, 2016, 12:48:48 pm »

Hi Peter,
Very promising Happy
Happy you are spending all the needed, being a Phasure customer er is a privilege  Happy Happy
And the added 30€ is not worth mentioning, high expectations on the B'ASS and now even higher 
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Phasure system: XXHighEnd stealth Mack II LPS PC - Clarixia 30cm/Intona USB isolator/Clarixia 1m - NOS1a 75B Dac - Blaxius BNC IC - Orelo mkII

Win 10 14393 - Xeon E5 2050v4 hyperthreading on 24 core - XX 2.06b - min OS - Music on LAN - Adaptive 4096 - Allow format change - Core 3/5, low, Real time - Clock res 0.5 ms - XTweaks 43,100,1,0,1 - Boost at xxhighend startup - SFS 0.12,  max 120 SC - Incl garbage - Copy to xx - Always clear proxy - Use remote desktop - Use touch facility - Stop desktop/remaining/wasapi services - Keep LAN - Use remote desktop - OSD text - Show as wallpaper - At attended
Q1,3,4,5,xQ1; 14,1,1,1,10
Custom filter 705600 high

Driver 1.04; USB buffer 16ms
PeterSt
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« Reply #266 on: December 15, 2016, 01:51:02 pm »

Happy Happy
But ... I have another upgrade for 80 euros. I don't know whether you guys are up to that or whether it maybe becomes too much of it all ?
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For the Stealth III LPS PC :
W10-14393.0 - Oct 31, 2018 (2.10)
XXHighEnd Mach III Stealth LPS PC -> Xeon Scalable 14/28 core with Hyperthreading On (set to 10/20 cores) @~660MHz, 48GB, Windows 10 Pro 64 bit build 14393.0 from RAM, music on LAN / Engine#4 Adaptive Mode / Q1/-/3/4/5 = 30/-/1/1/1/ Q1Factor = 10 / Dev.Buffer = 4096 / ClockRes = 15ms / Memory = Straight Contiguous / Include Garbage Collect / SFS = 140.19  (max 140.19) / 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 = 35 / Nervous Rate = 10 / Cool when Idle = n.a / Provide Stable Power = 0 / Utilize Cores always = 1 / Time Performance Index = Optimal / Time Stability = Stable / *Arc Prediction Filtering (16x)* / Always Clear Proxy before Playback = On -> USB3 from MoBo -> Lush^2*A:B-W-Y-R, B:B-W-R* 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 A:B-R, B:B-R* Interlink -> Orelo MKII Active Open Baffle Horn Speakers.
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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« Reply #267 on: December 15, 2016, 01:58:01 pm »

For me that's perfectly OK  Wink
now, what is that all about?
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Phasure system: XXHighEnd stealth Mack II LPS PC - Clarixia 30cm/Intona USB isolator/Clarixia 1m - NOS1a 75B Dac - Blaxius BNC IC - Orelo mkII

Win 10 14393 - Xeon E5 2050v4 hyperthreading on 24 core - XX 2.06b - min OS - Music on LAN - Adaptive 4096 - Allow format change - Core 3/5, low, Real time - Clock res 0.5 ms - XTweaks 43,100,1,0,1 - Boost at xxhighend startup - SFS 0.12,  max 120 SC - Incl garbage - Copy to xx - Always clear proxy - Use remote desktop - Use touch facility - Stop desktop/remaining/wasapi services - Keep LAN - Use remote desktop - OSD text - Show as wallpaper - At attended
Q1,3,4,5,xQ1; 14,1,1,1,10
Custom filter 705600 high

Driver 1.04; USB buffer 16ms
manisandher
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« Reply #268 on: December 15, 2016, 02:25:45 pm »

I don't know whether you guys are up to that or whether it maybe becomes too much of it all ?

Nah, never... just keep 'em coming Wink

Mani.
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Audio PC: Phasure Mach II *with clock upgrade* / Win 14393.0 on RAM-OS / controlled by RDC, no GPU card installed / connected directly to music server
XXHighEnd: 2.10 / Minimize OS / Engine#4 Adaptive / DB=4096 / Q1=30 / xQ1=40 / Q3,4,5=1 / SFS=5.19 / XTweaks = 52, 10, 0, 0, 1 / Straight Contiguous / Clock Resolution = 15ms / Scheme 3-5 (low/realtime) / 8x Arc Prediction (switch #5 'up/off') / Unattended
Main System: mobo USB3 port -> Lush^2 -> Phasure NOS1a B75 G3 -> Thöress/Elrog 300B mono amps -> Tune Audio Anima horn speakers
Office System: Lush -> Phasure NOS1a G3 -> BD-Design BD30-SPR mono amps -> Tune Audio Marvel horn speakers
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« Reply #269 on: December 15, 2016, 02:47:17 pm »

80€?, mmmmm... I don't know, I don't know...
 
No Peter, it does not seem like much for the improvements we have been accustomed to. Let us know what it is!

Regards,
Juan
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Audio Pc: Processor i7 970: 3200MHz (reduced to 1668MHz), 6+6 cores/ RAM Corsair DDR3, 24Gb, 1333MHz/ Mb Asus X58 Sabertooth/ OS and XXHE in Peter's RAM-Disk / The CPU fan is the only one in the Audio Pc: NF-S12A (600rpm/6.7db)/ No graphic card/ Power supply: Seasonic SS-400FL2, fanless.

Configuration and Updates in HOW I'VE BUILT MY NEW PC...http://www.phasure.com/index.php?topic=1673.0

XXHighEnd: 2.10. Windows 10 Pro 64 bit build 14393.0 from RAM, music on LAN/ KS:Phasure NOS1 Out 4.0/ #4 Engine/ Adaptive Mode/ Q1=30 Q3=1, Q4=1, Q5=1, xQ1=40/ Dev.Buffer: 4096/ ClockRes: 15ms/ Straight Contiguous/ SFS: 5.19 (max 120)/ Not Invert/ Phase Alignment Off/ Allow format change/ Decode HDCD/ Playerprio: Low/ ThreadPrio: Real Time/ Scheme: Core 3-5/ UnAttended/ Not Switch during Playback Off/ Playback Drive none/ UnAttended/ Include Garbage Collect/ Copy to XX Drive by standard/ Always clear Proxy before Playback/ Stop Desktop Services/ Stop Remaining Services/ Stop All Services: Off/ Keep LAN Services: On - Persist: Off/ Use Remote Desktop/ Minimize OS/ XTweaks : Balanced Load 52/ Nervous Rate 10/ Cool when Idle -/ Provide Stable Power 0/ Utilize Cores always 1/ Time Performance Index: Optimal / Time Stability: Stable / Arc Prediction.

Music Server PC (W10) totally silent with OS (W10) in SSD and music inside in SSDs - RDC > Ethernet Gigabyte cable 3m > Audio Pc > 1m USB Lush cable directly from the USB3.0 in the motherboard > PHASURE NOS1a-75B-G3 (Driver v1.0.4) 16ms > Blaxius BNC interconnects > Genelec 1037B 3-Way Active speakers with BNC inputs
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