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DIY Project High Performance Audio PC with high quality wiring

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Does anyone have an idea when the HDPlex 800W DC-ATX will be back in stock from HDPlex? Or is anyone looking to offload one they're no longer using? 

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4 hours ago, Nenon said:

No matter what speed or latency they have

Because you should slow them down, release timings and then RAM sounds better.

 

Faster = more technical sound


Aqua Acoustics La Voce + Luxman 505uXmkII + Audio PC LPS+Neutrino clock+SoTm USBexp + Win10 + Fidelizer Pro

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1 hour ago, adamaley said:

Does anyone have an idea when the HDPlex 800W DC-ATX will be back in stock from HDPlex? Or is anyone looking to offload one they're no longer using? 

It was in stock yesterday. Email them, maybe they have some. 

 

24 minutes ago, rafa said:

Because you should slow them down, release timings and then RAM sounds better.

 

Faster = more technical sound

Not from my experience.

The 2666MHz Apacer RAM running at 2666MHz sounds better than the 2400MHz Apacer running at 2400MHz or any slower speed. 

Also, the 2400MHz Apacer RAM sounded better than my 3200MHz G.Skill. The most important property for RAM to sound good is its quality. It's not the only factor but the most important one. 

It also matters how you tweak your server. If you are using a low-powered CPU, slowing down the RAM helps. I am not talking about those types of servers. Gave up on them a while ago but I do remember that slowing down the RAM helped there. My comment was about @StreamFidelity build, which is not aimed at low powered CPUs. With those servers, typically (given equal quality) the higher the speed, the better it sounds. And by better, I don't mean "technical sound". 

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9 minutes ago, Nenon said:

Not from my experience.

The 2666MHz Apacer RAM running at 2666MHz sounds better than the 2400MHz Apacer running at 2400MHz or any slower speed. 

Also, the 2400MHz Apacer RAM sounded better than my 3200MHz G.Skill. The most important property for RAM to sound good is its quality. It's not the only factor but the most important one. 

It also matters how you tweak your server. If you are using a low-powered CPU, slowing down the RAM helps. I am not talking about those types of servers. Gave up on them a while ago but I do remember that slowing down the RAM helped there. My comment was about @StreamFidelity build, which is not aimed at low powered CPUs. With those servers, typically (given equal quality) the higher the speed, the better it sounds. And by better, I don't mean "technical sound". 

Same experience here.  Went through the RAMs mentioned with my recent build using i9900KS and as @Nenon stated the 2666MHz Apacer RAM clearly sound better.

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43 minutes ago, Nenon said:

It was in stock yesterday. Email them, maybe they have some. 

 

 

Did Larry tell you this?  He owes me one since the one I bought 6 weeks ago was defective.

 


Speakers: Vandersteen Model 7s, 4 M&K ST-150Ts, 1 VCC-5; Amplification: 2 Vandersteen M7-HPAs, CI Audio D200 MKII, Ayre V-6xe; Preamp: Doshi Audio Line Stage v3.0; Phono Pre: Doshi Audio Phono Pre; Analog: Wave Kinetics NVS with Durand Telos composite arm; SME 3012R arm, Clearaudio Goldfinger Statement v2; Reel to Reel:  Technics RS-1500; Doshi Tape Pre-Amp; Studer A810, Studer A812, Tascam BR-20; Multi-channel: Bryston SP-3; Digital: Custom PC (WS 2016/AO/HQPlayer/Roon)> Lampizator Big 7 DAC

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What is the downside or lost opportunity in using ECC ram if the mobo uses it like non-ECC ram?  If one is using ECC ram shouldn’t they try to find a mobo that supports ECC?

 


Speakers: Vandersteen Model 7s, 4 M&K ST-150Ts, 1 VCC-5; Amplification: 2 Vandersteen M7-HPAs, CI Audio D200 MKII, Ayre V-6xe; Preamp: Doshi Audio Line Stage v3.0; Phono Pre: Doshi Audio Phono Pre; Analog: Wave Kinetics NVS with Durand Telos composite arm; SME 3012R arm, Clearaudio Goldfinger Statement v2; Reel to Reel:  Technics RS-1500; Doshi Tape Pre-Amp; Studer A810, Studer A812, Tascam BR-20; Multi-channel: Bryston SP-3; Digital: Custom PC (WS 2016/AO/HQPlayer/Roon)> Lampizator Big 7 DAC

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33 minutes ago, Nenon said:

I see other people commented on this already. Marcin's post was about the 2666MHz RAM. That was the "new" RAM he referred to. 

 

Thanks for clarifying.


 

 

 

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folks who are using Optane memory, do you notice a high pitch noise (somethings called coil whine) when the drive is accessed ? Sometimes the noise is so high (Roon library scanning) I can hear it from 8ft distance in the night. I have 3 of them - 2 are 32G and one is 16G. Both the 32G has this noise but the 16G doesn't. I tested this in two NUC7i7 and both of them have this issue. 

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Wow, what a great thread!  I'm kinda new to DIY audio PC builds, so I apologize if my questions seem dumb.

 

I got stumped trying to pick a motherboard.  What audio performance characteristics should I be looking for?  Chipset stats?  BIOS tweakability?  Once you pick a CPU, there are SO MANY motherboard options, it is overwhelming.

 

About the video (to be able to connect a monitor, to set up what will be a headless PC): if the motherboard has a video output, does the CPU have to be rated for video, too?

 

There is mention here of RAM "quality."  To what does that refer?  The latency numbers?  Any specific stats I should look out for?

 

Does the PCI-E speed (8x, 4x, etc.) make a difference in sound quality if my plan is to use the Pink Faun HDMI card?

 

Pink Faun seems to put its OCXO's all over the motherboard.  They are expensive.  Is there a less expensive solution for a stock motherboard?

 

Thanks for any advice you might have.

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HI @Nenon and others!

 

Many thanks for the active participation in our project. I will try to briefly answer a few tips and comments.

 

1.4 Corsair DOMINATOR® PLATINUM 16 GB (2 x 8 GB) DDR4 DRAM 2400 MHz C10 memory kit

 

The reason for the choice was the very low latency: 10-12-12-28. In my experience, the smallest possible delays lead to the best music experience. The other reason is the excellent cooling (patented DHX cooling). If the RAM gets too hot, it will shut down. I use this RAM in my reference Audio PC. When we get our system up and running we are open to experimenting with Apacer RAM.

 

spacer.png

 

1.6 JCAT USB Card Femto

 

A new product? Perhaps a misunderstanding because he meant the new product OPTIMO 3 DUO - NO COMPROMISE AUDIOPHILE DC LINEAR POWER SUPPLY? I will ask him.

 

1.8 HDPLEX 400W DC-ATX

 

Unfortunately, it is not available on the European side:

HDPLEX 800W DC-ATX with 16V-63V Input Enjoys Free Shipping Worldwide
Stock Status USA: Sold OutGermany: Sold Out

 

Both products ran on my reference audio PC and I can only report good things. 800W DC-ATX is the best, but uses a lot of power.

 

1.11 Minimization of resonances

 

BF Magic Spacers from fis Audio @Nenon I'll get more information, PM will follow.

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11 hours ago, Nenon said:

...Not from my experience.

The 2666MHz Apacer RAM running at 2666MHz sounds better than the 2400MHz Apacer running at 2400MHz or any slower speed. 

Also, the 2400MHz Apacer RAM sounded better than my 3200MHz G.Skill. The most important property for RAM to sound good is its quality. It's not the only factor but the most important one. 

It also matters how you tweak your server. If you are using a low-powered CPU, slowing down the RAM helps. I am not talking about those types of servers. Gave up on them a while ago but I do remember that slowing down the RAM helped there. My comment was about @StreamFidelity build, which is not aimed at low powered CPUs. With those servers, typically (given equal quality) the higher the speed, the better it sounds. And by better, I don't mean "technical sound". 

I tested 6 different DDR3 RAM modules and agree that it's quality most important.

 

But about timings I have opposed opinion. Maybe that depends on definition, what is "better" ;) 


Aqua Acoustics La Voce + Luxman 505uXmkII + Audio PC LPS+Neutrino clock+SoTm USBexp + Win10 + Fidelizer Pro

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@Energy 

Thank you for this very good contribution. It's like a compendium👌

 

36 minutes ago, Energy said:

1. Taiko Audio SGM Extreme (One Box Setup)

 

And even this really ingeniously new designed Taiko Audio SGM Extreme has a disadvantage: to my knowledge it will not be able to render the EC modulators in HQPlayer with DSD 256. This requires a clock frequency of at least 4 GHz over several cores. It's ok, because the target picture is different. Our goal is to render with EC modulators.

 

Look: whatsbestforum

Quote

The SGM2015 and its EVO update were designed with HQ Player upsampling in mind. HQ Player favours core clock speeds over core count.

 

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2 hours ago, StreamFidelity said:

1.6 JCAT USB Card Femto

 

A new product? Perhaps a misunderstanding because he meant the new product OPTIMO 3 DUO - NO COMPROMISE AUDIOPHILE DC LINEAR POWER SUPPLY? I will ask him.

 

I got this message from Marcin: 

Quote

USB Card FEMTO will not be replaced or modified. 

 

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11 hours ago, elan120 said:

Same experience here.  Went through the RAMs mentioned with my recent build using i9900KS and as @Nenon stated the 2666MHz Apacer RAM clearly sound better.

I didn't say Apacer is worst or anything close to that :)


Aqua Acoustics La Voce + Luxman 505uXmkII + Audio PC LPS+Neutrino clock+SoTm USBexp + Win10 + Fidelizer Pro

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9 hours ago, StreamFidelity said:

 

1.11 Minimization of resonances

 

BF Magic Spacers from fis Audio @Nenon I'll get more information, PM will follow.

 

I've had tremendous results using custom made polished hardened Aluminum bowls with high precision ball bearings.  By far the biggest impact on my DAC, but very audible benefits on the server as well.  Interesting to see a commercial option.  After some experimentation, I ended up settling on a shallow bowl (5" diameter).  The Magic Spacers look like they have a much deeper bowl.

 

Looking forward to hearing your findings and following along this project!

 

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15 hours ago, ray-dude said:

 

I've had tremendous results using custom made polished hardened Aluminum bowls with high precision ball bearings.  By far the biggest impact on my DAC, but very audible benefits on the server as well.  Interesting to see a commercial option.  After some experimentation, I ended up settling on a shallow bowl (5" diameter).  The Magic Spacers look like they have a much deeper bowl.

 

Looking forward to hearing your findings and following along this project!

 

100% agree. I’ve tried numerous feet over the years! Finally settled on Symposium Rollerblock, effectively two cups with Titanium balls. I believe the precision on how round the ball is, is key! 

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