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 1 
 on: December 22, 2014, 09:24:14 pm 
Started by Nick - Last post by manisandher
Hey Nick, really exciting stuff. I'm looking forward to meeting up with you in a week's time at Paul's place. Should be fun!

Cheers, Mani.

 2 
 on: December 22, 2014, 08:22:49 pm 
Started by Nick - Last post by Nick
Hi,

Will post if tonight's experiments here work.


The next clock was fitted to the Mobo today. To recap my PC now has the first upgraded master clock (for CPU memory etc etc) the second targeted clock to be fitted today that has just gone in is the PCIe signalling clock that runs timing as data moved from the south bridge to the PCIe USB card over the PCIe bus. The PCIe clock fitted today is actually one of my cheap clock modules as a lash up.

When I first listened to the PC with the second clock fitted it was immediately obvious that some aspects of the sound were now "super real" but that in the mids and highs all was not well, a bit of hash.

So going on the theory of relative clock speeds that is in part driving this whole process of upgrades to the PC, the CPU clock and the PCIe were tuned to the same speed (they were a long way out). The result was quite honestly a revelation..... 

WTF ! followed by  Happy new year !Happy new year !Happy new year !

I will listen more before a more considered post on sound quality. For now I would describe the sound as EXTREME REALISUM : energy, detail, presence, tone etc etc, IMHO this is how to sort the PC as a music server. And this is with a quite low quality clock driving the PCIe sub-system, god knows what will happen when a dexa goes in.

More to come on sound soon Happy

Nick.

ps Todd hi, I think you will need to get your master clock running at 25mhz. Matching this CPU clock to the PCIe clock is very important to get the music singing.
 

 3 
 on: December 22, 2014, 08:13:49 pm 
Started by vrao - Last post by vrao
Guys,
My experience is that, a lot of things can go wrong when changing cables ... i.e. USB. The same cable can sound all over the place, related to DC, grounding, dielectric relaxation, or other unknowns, some of which might not be related to the cable itself.
When I had 2 models of the YFS, I kept going back and forth between 3-4 cables, and in the end things just did not right, with any cable.
VJ

 4 
 on: December 22, 2014, 05:11:50 pm 
Started by vrao - Last post by CoenP
Thans Joachim,

Great suggestion!

Regards, Coen

 5 
 on: December 22, 2014, 02:02:02 pm 
Started by vrao - Last post by christoffe
Hi,

lowered the (driver) USB Buffer size from 4ms (since a week) to 8ms (back to the previous setting on the laptop)  and there are improvements (using Blaxius) with

A) $1 USB cable - a better 3D image
B) YFS cable - more "sounds" 

Joachim

Edit: Everything sounds normal again with the YFS

 6 
 on: December 22, 2014, 12:32:34 pm 
Started by vrao - Last post by Stanray
Interesting, can't wait to listen again with the NOS1 transformed into "a".

For completeness, I don't use the Silverstone card anymore and now use an USB 2 mobo connection.

Stanley

 7 
 on: December 22, 2014, 06:09:08 am 
Started by vrao - Last post by vrao
Two words
"Dielectric relaxation"
 Wink

 8 
 on: December 22, 2014, 12:30:06 am 
Started by vrao - Last post by CoenP
Hi,

I read Peter's post two times over and I can only remark that we have come to the same conclusion. That is somehow the YFS ' doesn't work' (like Peter Gabriel) and that there 100 things reappear with the 1$ cable. We have different reactions to them and different descriptions too. I.e. for me the latter brought fabric to the music again and an improvement in timing that makes, at my home, the music sound more like, eh, music.
I also noticed a more midrangy and less dynamic (hollow?) sound with the (modified) standard cable but took no offense in it.

Now I'm using/testing the bashed Supra cable with presents itself as quite the opposite of the YFS in bass slam and crystal clear highs. I have been spinning all genres and didn't get annoyed by any of it, with is good in itself. If anything I would consider this cable (also) to 'reduce speed' as an expense for a better tone and coherence. However I crave more attack from it. Mind you this is a 5V powered cable.

Before the Supra I've been playing with the 'custom' 'USB only' cable to no success. Though 'faster' sounding like the YFS it focuses too much on the attack leaving too little room for tone (harmonics, decay). I couldn't make out what percussion actually was played. Eventually I found it to sound messy too, as in mushing up crescendos.
Supra lets you discriminate the drums much better as they sound more like the real drum except for the fierceness of the attack when hit by the stick. I've been paying special attention to this in comparison with I a live concert of Manu Katche I attended last week. Though not through a recording chain, the instruments were processed and amplified during playback. Noteworthy to me was that it had all the traits that i think are important for good audio playback so these traits must be contained in the recording material somehow too. I more than once doubted if this were the case.

The USB story is far from over yet, but a pattern is already emerging!

regards, Coen


 9 
 on: December 21, 2014, 10:05:43 pm 
Started by vrao - Last post by christoffe
So here an official report from someone who unofficially got hold of the YFS ...
Skip if you want to remain objective ...



Stupid stuff !!
Peter

Hi,
now I do have problems!

A)
- Peters  impressions about the YFS cable in conjunction with the Blaxius can be confirmed.
- The disadvantage of the $1 UBS cable on my system is, the depth of the soundstage is not present.  A 2D image only, with the YFS a 3D soundstage is there (and nice voices), but  .... see Peters comment.

B)
- I exchanged the Blaxius with the “old” RG 223 and played with the YFS cable. The SQ is similar to A) with a $1 UBS cable, but with a 3D soundstage and a slight harshness in the voices.
- Replay with the “old” RG 223 and the $1 UBS cable. The 3D soundstage is gone and a slight harshness in the voices**is present** too.

At present the best compromise in my system is the YFS USB cable with the RG 223.

The “expedition” for the best USB cable with the Blaxius goes on.

Joachim

P.S. I wish you all a Merry Christmas and a lot of amazing music listening sessions.

 10 
 on: December 21, 2014, 09:53:53 pm 
Started by Nick - Last post by Nick
Todd hi,

I'm really pleased the mobo clock change has gone in well. And on a different mob type which is great. Nice to chat ealier it sounds as though your going to be catching up one some more live sounding favorite tunes  Happy

Will post if tonight's experiments here work.

King regards,

Nick.

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