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Author Topic: Happy 2022 to everyone... and my new year's wish  (Read 3556 times)
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manisandher
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« on: December 31, 2021, 12:44:22 pm »

Happy New Year everyone!

As some of you know, a while ago I switched to a 4-way active setup - 10 amps driving 10 drivers in total (2 subs per channel). Crossovers and delays all performed digitally, feeding an 8-channel DAC.

This hobby is full of trade-offs. Although I maintain that XX is the best playback software in existence, my experience is that it can't compensate for the negative effects of passive crossovers.

The sound I have now is easily the best I've ever achieved in my room. (A couple of members here have heard it, and I'll let them chime in if they wish - although even they haven't heard the latest iteration.) Right now, I'm wanting for nothing. But at the back of my mind, there's something that's still nagging me. Could my 8-channell DAC be improved upon?

There's only one other DAC that I'd consider, were it to exist - an 8- or 10-channel NOS1.

I realise that this is probably just a pipe dream of mine. Judging from the lack of posts on this forum these days, I suspect most people here are quite content with their sound. So, there's probably not a lot of incentive for Peter to even look into creating a multi-channel DAC... especially considering that it wouldn't be compatible with XX. BUT... if one were to ever magically materialise, I'd jump on it.

Cheers everyone and have a great New Year's Eve,
Mani.
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Main System:
Phasure Mach III (Win 14393.0 on RAM-OS / controlled by RDC, / connected directly to music server / XXHighEnd 2.11 / Minimize OS / Engine#4 Adaptive / DB=4096 / Q1=10 / xQ1=15 / Q3,4,5=1 / SFS=4.00 / XTweaks = 34, 10, 0, 0, 0 / Straight Contiguous / Clock Resolution = 15ms / Scheme 3-5 (low/realtime) / 8x Arc Prediction / switch #5 'up/off' / Unattended) mobo USB3 port -> Lush^3 -> Phasure NOS1a B75 G3 -> 8m Blaxius^2 -> First Watt F5 mono amps -> Tune Audio Anima horn speakers
Office System:
Phasure Stealth II -> Lush^2 -> RME ADI-2 Pro FS R -> Neurochrome 286 mono amps -> Tune Audio Marvel horn speakers
PeterSt
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« Reply #1 on: December 31, 2021, 05:42:43 pm »


Haha, yeah, I understand. But as you can imagine, as long as I myself don't even make something for the (2x) 3 channel speakers I have, while all anticipates those amp channels ...

The psychological bad luck obviously also is that I worked for what ? more than two years on that 8 channel NOS2, which never materialised except for having every PCB and resistor and really all in-house to start the soldering. But the project appeared too large (impossible to troubleshoot because of too many inter-dependent modules). As you may remember, this was even including 8 power amps, which ended up as gain stage in your NOS1a/G3('s).

But I surely can say HAPPY NEW YEAR to you all !!
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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briefremarks
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« Reply #2 on: December 31, 2021, 09:52:42 pm »

Happy new year everyone!

For many years I used an active analog crossover after the DAC with ten channels of amps driving the Linkwitz LX521 4-way speakers.  The setup with Orelo is considerably better--especially with dynamics and resolution.  The LX521 did image very well. 

What Mani seems to be suggesting is the active cross-over ahead of the DAC which makes more sense than after.  I have not found the passive cross-overs in the Orelos to be a limiting factor on SQ.  And the SQ, especially after Lush^3 is quite amazing.

Wishing health, happiness, and great music!

Ramesh
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Audio PC: Stealth III PC; RAM-OS W10 14393.0. 
XXHE version 2.11.
Music Server: XXHE PC, RDC to Audio PC
XXHE settings: Q1/xQ1 5/x15, Q3/4/5 1/1/1, SFS 20.69 (Max 120), Clock Res 15ms, Core Scheme:3-5, Driver Buffer 16ms, Balanced Load 35, Nervous Rate 10.
Audio PC -> Lush^3 USB (A: BYR; B: WY&RG-> NOS1(a,75B, G3) -> Blaxius^2 (A:BR, B: BR) -> Orelo Mk II active speakers
Stanray
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« Reply #3 on: January 01, 2022, 05:39:45 pm »

Happy New Year!

I am curious though about what crossovers, DAC, amps and speakers Mani is currently using.

Have you described your setup anywhere, Mani?

Regards,

Stanley
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AudioPC: Passive Intel i7-2600S / Hyperthreading On / Motherboard: Asus P8H67-V/ RAM: Kingston DDR3 32GB/ Motherboard USB3.0 to NOS1a / PSU: Silentmaxx Fanless II/ no computer cabinet and no fans, NoFan 80 EH passive CPU cooler/ Music via LAN on SSD on MusicServerPC (desktop computer-W10)/ All music in WAV /Control on Macbook Air <-> Wifi <-> (audio)router <-> LAN <-> MusicServerPC <-> LAN <-> AudioPC.

September 2021: Windows 10 Pro 64 bit build 14393.0 from RAM/ XXHE 2.11 / 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)/ No Filter/ not Invert / Phase Alignment Off / Peak Extend Off /Playerprio = Low / ThreadPrio = Realtime / Scheme = Core 3-5 / Not Switch Processors during Playback/ UnAttended / All Services Off / Minimize OS / XTweaks : 62, 1, -, 1, 1/ Time Performance Index = Optimal / Time Stability = On / Custom Filtering *Low* (16x) / -> Lush^3 USB-cable 70cm (A: W-Y-R-G, B: W-G) > Phasure NOS1a 75B G3 DAC, Driver v1.0.4) (16ms)/ Output via Balanced Blaxius BNC Interlinks > Audio Analogue Maestro monoblocks > speakers: Apogee Acoustics Scintilla (custom rebuild).
manisandher
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« Reply #4 on: January 12, 2022, 09:00:58 pm »

Happy New Year!

I am curious though about what crossovers, DAC, amps and speakers Mani is currently using.

Have you described your setup anywhere, Mani?

Probably not appropriate to talk about this here. I started a thread over at ASR about it though: https://www.audiosciencereview.com/forum/index.php?threads/setting-up-an-active-crossover-using-roon.29882/

Mani.
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Main System:
Phasure Mach III (Win 14393.0 on RAM-OS / controlled by RDC, / connected directly to music server / XXHighEnd 2.11 / Minimize OS / Engine#4 Adaptive / DB=4096 / Q1=10 / xQ1=15 / Q3,4,5=1 / SFS=4.00 / XTweaks = 34, 10, 0, 0, 0 / Straight Contiguous / Clock Resolution = 15ms / Scheme 3-5 (low/realtime) / 8x Arc Prediction / switch #5 'up/off' / Unattended) mobo USB3 port -> Lush^3 -> Phasure NOS1a B75 G3 -> 8m Blaxius^2 -> First Watt F5 mono amps -> Tune Audio Anima horn speakers
Office System:
Phasure Stealth II -> Lush^2 -> RME ADI-2 Pro FS R -> Neurochrome 286 mono amps -> Tune Audio Marvel horn speakers
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