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That's very cool of Taiko to make that available. Looks like I have a hundred or more pages to scrub through to catch up on the state of the art... 🫠 📖

That's really clean looking. Is there room on the other side to add another such portal or some way of mating the top to the bottom at more points? I'm concerned about what might happen if the server chassis is bumped hard while at rest (or slips when being carried). The center of mass is going to twist that conduit with a fair bit of force, potentially doing a lot of damage to both boxes (and the conduit) at once. Duplicating the conduit on the other side (or just adding some removable feet than can nest into the bottom box) would effectively lock the top in place, preventing shear force from accumulating.

6.7 seems to be slightly on the warm side on my system. I’m running 6.8 with EUP100 as I have a NOS DAC which is already on the warm side and the 6.8 seems to have a bit more neutrality and resolution. Just try the different ones and see what works for the combination of gear you have :)

Btw I noticed that there was something constantly happening also in the drive to which I produce the end result. Just making sure that logging is async. My setup: Intel 660p Windows Paging file now limited to minimum 16MB to make sure it doesn't slow things down Samsung 990 Pro 2TB One full disk partition 1TB paging file 16TB WD Gold (HDD) This is where I store the source files and PGGB's output files Basic album logging goes here If some process writes to logs synchronously, we are dependent on the response speed of this drive Bandwidth of course is not a concern as it's miniscule amount of data No paging file I'm naturally fine with some 100MB write speed when writing the final DSD file as that is just some 30 seconds in the end and thus not any kind of bottleneck. Also when I'm purely on RAM with PGGB, I'm occasionally averaging 92% in Performance Monitor so HDD clearly doesn't have big impact, but just something to double check.

@liyin123 please use Google or Microsoft translator or something similar to post here in English. For example @woshifeng3627 also started to post here in Chinese but then he successfully started to use a translator. When a forum page contains text in other language in many parts, so it is mixed English and other language, one needs to select every foreign language part separately and let it translate to see the content. But other parts remain without translation. It is not easy to read such a page.

I'm sorry but you still didn't explain what the general word "correction" means in this case. Now I at least understand that the correction is not an automatic correction to set a working or optimal sample rate. To get at least some basic idea, please explain the areas where the correction is applied. If you would have a working D300 DAC in hands (I know yours is bricked), would you be able also to generate something like correction for it?

I have the same experience, in some setups it gives a positive effect (e.g. N100H-QB9 Twenty), on some no effect (e.g. N200-QB9 Twenty), and in other setups a negative effect (e.g. customised PC-DIY DAC). So it depends a lot on your setup. Luckily the expenses are reasonable (especially 2nd handed), so you can always give it a try, and re-sell it when it doesn't work for you.

Thanks for your reply. Probably a noob question, but; where can I find those 6.7 and 6.8 kernels? At ''selectkernel'' I only see a prefix of 1. to 16. I tried a few and all seem to be 6.6 after installation/execution Edit: found and installed the 6.7 test kernels. Will try these. @Barnabas thanks again. As you have a similar setup would you mind sharing your favourite kernel? I compared just a few and 6.6 EUP -100 seemed the best so far

Try the 6.7 and 6.8 kernels. I have a similar setup and they work fine.

There are more ways how high frequency content can become audible. In order to understand my answer and the subsequent Miska's answer you need to self study the following topics: - sampling and spectral images - anti aliasing requirement during downsampling - digital filters and ringing - intermodulation distortion These topics still don't cover all ways how ultrasonic content can influence what we hear.

Special thanks for this. I now remember that I visited PerfMon at some point, but thought that this graph couldn't be right and ignored. My CPU stays at measly 7%, doing occasional spikes to 50% area. And Task Manager dares to give me 100% :D Have to do some further investigation on what's causing this. Task Manager shows read time of some 300MB/s and write speed max 100MB/s so there definitely should be room left. To me it looks like something was capping speeds when using page files as CrystalDiskmark proves that the drive can go fast.

I am the one who made the claim that the differences are "not enormous", and when you leave the room and someone arbitrarily switches between ROON and Aurender, you will have a hard time guessing without dedicated source material. With such statement I don't say the difference is not relevant, I agree to your statement that the accumulation of many improvements can be significant. Hence, for serious listening of good source material I'll select the Conductor trajectory. But listening to the same material via ROON is still a very enjoyable and nice experience.

I have now deleted all my PGGB 256 PCM files as I have >2000 files processed in DSD and counting (all in 44.1 rate family). Surprisingly even though my Chord Dave is supposedly “not good with DSD”, I’m not looking back. PGGB DSD 512 9th order sounds so much better it’s not close. Especially for headphone listening- that jet black background is so seductive.

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@Jeremy Anderson Hi! There is a close-fitting, removable ULPS Link tube that links the 2 chassis through their respective ULPS ports. Screen Recording 2024-04-26 at 10.04.15.mov Similarly, there are close-fitting cover plugs to close up the ULPS ports if not in use. Screen Recording 2024-04-26 at 10.18.09.mov

这里默认即可，没必要调整！direct SDM=直通，GAIN +6db=DSD-PCM必须增加6DB。

Yes there is a portal and insert between the two.

Just to clarify - that was with the initial design that used several Mundorf MLytic HC Power caps. This 220,000 uF custom capacitor ( https://taikoaudio.com/taiko-2020/product/diy-taiko-audio-mundorf-220-000-uf-power-cap/ ) made it possible to fit it all in the Taiko DIY chassis. There are some photos of excellent builds if you search these pages. No, I haven't had a chance to do that yet.

My source is DSD64 already... What about DSD SOURCES settings, any advice on setting them for better results ? These are default ones

😃 I know ... it was just an example, a bad one for my side, thanks

I appreciate you saying so. Thank you.

Do the boxes "mate" together in any way in the current design? With keeping costs down a concern, I understand we can't get too fancy with the milling.

You’re right, I misinterpreted your point.

John: I agree with your view of the Cisco 10G AOC. It does perform better than the Finisar TLF1318P3BTL on my 10GTeks. And overall sound improves with the 10GTeks and Ciscos (or Finisars) relative to my previous TP-Link MC220CM setup with SC connections. I now get meaningfully better bass, more mid-range, more solid-sounding - all enough to make it worth the change. At some point in the next several months I will probably try substituting the second 10GTek with either an Uptone Ether-Regn or another reasonable audiophile optical-cum-ethernet switch.