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November 20, 2014, 09:36:33 pm *
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 1 
 on: November 20, 2014, 09:12:12 pm 
Started by PeterSt - Last post by manisandher
Hey Peter, thanks for giving it a listen. I don't have the CD, could you send this track to me so I can compare?

Anyway, here's another needle drop of the track - everything exactly the same, but I'm just using another digital capture method:

https://www.dropbox.com/s/1x1u0d3ozvrkpci/Chris%20Jones%20-%20No%20Sanctuary%20Here%20v2.wav?dl=0

To my ears, this is better. But I'd still like to compare to the CD if possible... and then I'll be able to reply to your comments. But for now, I don't understand the "No bass AT ALL" comments - there's loads here on both versions I've posted.

Mani.

Edit: Peter, you do have HDCD switched off, right???

 2 
 on: November 20, 2014, 08:00:40 pm 
Started by PeterSt - Last post by PeterSt
Hey Mani, I love you. But I am sure that by now you will believe that. Ok, about the below text I mean ...

TOTALLY WORTHLESS
And for ALL the aspects I referred to before. yes

One thing : with my personal previous "testing" I didn't have my NOS1a right with the impedance stuff. But, at the time I did not know that yet. And honestly, day before yesterday I played the Talk Talk again from CD and could hear I had to do the test again. Nothing came from that for lack-of-time reasons yet, but now this new one ...

Very quickly (because not much time now) and with the notice that everybody over here directed it to the trashbin (because we know the track very well) :

- No stereo (see ?);
- Strange highs (see ?)
- No bass AT ALL (see ?)
- No filling of the room anywhere while this track is famous for it.

This in brief. But additionally in more detail :
No flagiolettes to be heard (always a property of the better system).
CD shows two (dubbed) voices - LP only one.
Dead sound. Bad, poor, nothing.
Watch the very last stroke on the guitar and how LP shows "a sound" while CD shows all the strings from a guitar.

For Joachim, try the CD. I mean I wasn't heading to debunk your nice report, but try the CD.
Of course I *am* debunking Mani's claim, and not a little explicitly. But Mani, as said, you will know yourself by now.
And if not, then there's something to sort out at your side. Similar to mine with the Talk Talk experiment (or that just isn't a good example - I can't tell; but I can do that one again of course).

Hey, this shouldn't come across as bashing; merely as self-defence. Hahaha.

Best regards and feel free to counter attack my "statements" - I can point out a 100 things wrong in this,
Peter

 3 
 on: November 20, 2014, 07:47:21 pm 
Started by PeterSt - Last post by PeterSt
Quote
unbelievable piece of music!!! There is a fantastic 3D image, and every instrumentalist is to localize in the ROOM. Perfect Happy

Oh, is that so ... evil

 4 
 on: November 20, 2014, 07:13:07 pm 
Started by PeterSt - Last post by christoffe
For anyone who's interested, here's a needle drop from an 'audiophile LP'. I'd love to know what you think of the sound quality.

https://www.dropbox.com/s/7ob7w4dkvaeqzvr/Chris%20Jones%20-%20No%20Sanctuary%20Here.wav?dl=0

Make certain HDCD decoding is switched off in XX.

Mani.

Hey Mani,

unbelievable piece of music!!! There is a fantastic 3D image, and every instrumentalist is to localize in the ROOM. Perfect Happy

Joachim

 5 
 on: November 20, 2014, 05:41:05 pm 
Started by manisandher - Last post by manisandher
I noticed that the isolation transformers used are very over -dimensioned. Why would one choose a 5KVA transformer for a 50-100Watt PC load? I think big ones make sense for audio amplifiers but for a PC....?

Hi Coen, in my case it's simple - it's what I already had. When I bought my 15KVA isolation transformer my two 5KVA balanced transformers, I specifically went over-the-top because the idea was to run the whole system from the transformers, and I wanted to keep the impedance as low as possible. But for the purpose of just feeding the PC, I totally agree that the isolation/balanced transformer needn't be very big.

Mani.

 6 
 on: November 20, 2014, 05:36:20 pm 
Started by PeterSt - Last post by manisandher
For anyone who's interested, here's a needle drop from an 'audiophile LP'. I'd love to know what you think of the sound quality.

https://www.dropbox.com/s/7ob7w4dkvaeqzvr/Chris%20Jones%20-%20No%20Sanctuary%20Here.wav?dl=0

Edit: please use this version instead:

https://www.dropbox.com/s/1x1u0d3ozvrkpci/Chris%20Jones%20-%20No%20Sanctuary%20Here%20v2.wav?dl=0

Make certain HDCD decoding is switched off in XX.

Mani.

 7 
 on: November 20, 2014, 05:33:28 pm 
Started by manisandher - Last post by manisandher
Hi Paul...

So the PC is powered from the 15KVA balanced transformer. Is the supply to the 15KVA transformer from the dedicated hi fi spur?

Yep, and yep.

... and if so how is the earth connected on the output of the 15KVA balanced transformer?

The output earth of the 5KVA balanced transformer (and not my 15KVA isolation transformer) is simply connected directly to the input earth (from the dedicated spur), which itself is connected to the house earth.

... because obviously that cannot be connected to the earth of the amp/nos (or there would be a loud pop!!). Unless the earth of the USB cable (between nos and PC) is not connected at one (or both) end.

Not sure what you mean here. My understanding is that the amp gets it's ground (and not protective earth) from the NOS1a, and the NOS1a gets it's ground (and not PE) from the PC via the USB cable. In any event, there are certainly NO bangs or pops here!

Mani.

 8 
 on: November 20, 2014, 05:20:50 pm 
Started by manisandher - Last post by manisandher
In Germany the company
http://www.hmselektronik.de/index.htm
has some good ideas.

Hi Joachim, thanks for the reference and link. But quite honestly, I'm done with playing around with the AC mains... for now at least.

Mani.

 9 
 on: November 20, 2014, 01:27:46 pm 
Started by vrao - Last post by PeterSt
Quote
And let's not forget my win8 trauma wich is rooted in the same allergy.

Then I may have news for you Coen. But only because my memory seems to be OK for longer terms.

What I recall is that you are very subject to phase stuff. Uhm, *if* that was you indeed of course. So, don't have a problem at some normal distance, but feel the problem when closer by. Remember ?
Obviously this will have been so because of not precise speaker placement. At least that's what I think when this "problem" emerges.

But now think Windows 8 and its ever (more past) problems which everybody described as "phase problems" ...

Peter

 10 
 on: November 20, 2014, 12:35:09 am 
Started by vrao - Last post by christoffe
Guys,

Just a clarification.

This is the "Ref" Data USB cable on tour. Not the V4 as I originally mentioned.

Rgs
VJ


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