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Author Topic: Phisolator  (Read 66 times)
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briefremarks
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« on: October 13, 2019, 03:51:51 am »

There have been a few threads in the past on USB errors and SQ glitches resulting from the extreme sensitivity of the Phisolator USB connection.  A quick note to document my recent experience.  I was starting to get music interruptions and SQ glitches fairly frequently (every 30 - 45 seconds or so).  Bypassing the Phisolator fixed the problem but I preferred SQ with the Phisolator in-line.

Tried various buffer settings 2ms, 4ms, 8ms, 16ms--none of them really worked.  Replaced the Phisolator USB cable that came with the NOS1 G3 with a short Clarixa cable I had laying around.  Much improved!  Whole albums without a glitch! 

There have been discussions on SQ with and without the Phisolator.  My experience is that Lush^2 with the Phisolator gives me the best SQ.  And as far as Lush^2 configurations go, I really like A: xWYxxx B: xWYRxx.  I have jumper caps on the unused pins.

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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/xQ1 5/x30, Q3/4/5 1/1/1, SFS 0.69 (Max 120), 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 -> NOS1(a,75B, G3) -> Blaxius^2 (A:B-R, B: B-R) -> Orelo Mk II active speakers
Nick
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« Reply #1 on: October 13, 2019, 12:42:46 pm »


I dont know if you have seen this post. The problem I had is likley to be a very rare failiure but I had a VERY fustrating time solving similar clicking and viariable sound quality symptoms that were localised to my NOS USB input. It turned out to be an intermitant fault on the NOS's short USB cable. Full details are here, its very simple to rule this out, just swop out the short USB cable with another USB cable and see if you still get the clicks.

http://www.phasure.com/index.php?topic=4099.msg44030#msg44030

Kind regards,

Nick.
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Audio PCs
PC No. 1: 621 motherboard Xeon 32 thread CPU.
PC No 2: X99 motherboard Xeon 28 thread CPU - modified motherboard.

 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 = 5,-,1,1,1 / xQ1 =30 / 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 16 thread PC.

System powered direct from mains.
briefremarks
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« Reply #2 on: October 13, 2019, 07:08:12 pm »

Nick,

This seems to be precisely the problem I had.  I replaced the short USB cable with another one, a short Clarixa that I had from when I was using the Intona box.  So far it has worked well.  Very few, occasional glitches, but nothing like before.

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/xQ1 5/x30, Q3/4/5 1/1/1, SFS 0.69 (Max 120), 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 -> NOS1(a,75B, G3) -> Blaxius^2 (A:B-R, B: B-R) -> Orelo Mk II active speakers
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