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Author Topic: Benchmark DAC1 USB  (Read 33209 times)
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Telstar
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« Reply #15 on: December 09, 2007, 02:10:18 pm »

I am talking about the e.g. XR-55. Just run digital-in - analog-in sucks.
I was told that e.g. running 3 of them in a multichannel setup ( fired by 3 digital outs e.g. RME)  were
performing better than the TACTS these guys used to run before.
I had a chance to listen to a full digital chain from  Uli Brüggemann. (TACTS and RME card actively phase linear filtererd on the
PC). This I would call agressive.  Grin I never heard better and more "shockingly" transient response before caused by the
linear filters and the PCM2PWM conversion.

With HDMI you need to be careful though, you need to check if it supports Multichannel-PCM properly - Stereo is not an issue.
I am digging into it by myself right now.

I decided to give up on HDMI and multichannel bit-perfect audio. I dont need such high quality for movies Wink
Virtual dolby would work good enough, really.

BTW the newer TDAI is better than all TACT. If they were running the millenium mk2 or mk3, then it's another matter.


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(2nd Apr 2018)
Software:
W10 14393 Pro x64 | XXHE 2.10 | MinOS | Q=14x1/0/0/0/0 | SFS 5,19 mixed contiguous | Nervous rate 1 | 4096k buffer |

Hardware:
OrigenAE H5 case | E5300 fanless |  8GB RAM | Winmate DC-DC fanless PSU | OS on SSD | Renesas USB3 pcie card | Belden highspeed usb cable | Audio-gd dac19 NOS with sigxer F1 | My_ref_FE mono amps | Albedo Apex speakers
PeterSt
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« Reply #16 on: December 09, 2007, 04:22:34 pm »

But ... I think Klaus was talking about xovering in the PC, which implies multichannels allright (output for bass, mid, high), but fed with two stereo channels ...  Happy
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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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« Reply #17 on: December 10, 2007, 05:02:13 pm »

Peter.

That's correct. I'd just need 6 "pure" PCM channels running into the "PowerDac".
I'd do the processing, conversions, crossover-filters, convolution on the PC.

Just FYI: Here is another nice product. E.g. Theta is working on a new product based on below:

http://www.zetex.com/audio/audio06_2.asp

Back to the topic: I wouldn't invest serious money in a stereo DAC or AMP any longer.

Cheers
Klaus


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Telstar
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« Reply #18 on: December 11, 2007, 10:13:35 pm »

Just FYI: Here is another nice product. E.g. Theta is working on a new product based on below:

http://www.zetex.com/audio/audio06_2.asp

Back to the topic: I wouldn't invest serious money in a stereo DAC or AMP any longer.

Interesting. I have been said only good about Theta Digital Happy
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(2nd Apr 2018)
Software:
W10 14393 Pro x64 | XXHE 2.10 | MinOS | Q=14x1/0/0/0/0 | SFS 5,19 mixed contiguous | Nervous rate 1 | 4096k buffer |

Hardware:
OrigenAE H5 case | E5300 fanless |  8GB RAM | Winmate DC-DC fanless PSU | OS on SSD | Renesas USB3 pcie card | Belden highspeed usb cable | Audio-gd dac19 NOS with sigxer F1 | My_ref_FE mono amps | Albedo Apex speakers
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