I get your concern. To be honest when I tested the Frey 2 speaker cables and, later, the NPX 300 on a NSS 333, I think the sound was somehow more interesting with those Freys 2 in place rather than the PSU. I was surprised by my first conclusion.
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I thoroughly enjoyed my NAC332 without a power supply for about 2 years, and only the sale a mint condition demo NPX300 from my local AudioT at an absolute bargain price, tempted me to try one. I didn’t need much time of the three day weekend loan to be convinced it was staying in the system - it probably took 30 minutes!
Obviously it immediately enables the NAC332 to do its work much more efficiently, but in my view, it also allows the NAP350s to reveal more musical performance.
As for the burndy cables → one is the usual size and the other slightly smaller = no problem or hassle installing either, and certainly no sensitivity issues here.
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“ I suspect the Nordost stuff is just tearing things apart trying to find detail where there is none to be found, and failing to put it all together in a cohesive fashion - or rather thats the effect its having on the noise-shaping that is done by the Naim streamer…”
This would make sense if your still not using the appropriate Nordost speaker cable..
Having swapped in the superlumina speaker cable, the Nordost seems to be behaving itself now.
Perhaps the era of the naca5 ended with the advent of the DR upgrade. Wonder why Naim didn’t update the naca5 - seems to be a missed opportunity.
Still - let’s see how things pan out - I might still prefer to go back to No-Nordost and Naca5.
Lucky boy! I tested the NPX300 with a 222 and a 333. The only problem I had during the test was that the unit wasn’t fully run in, pity, so I couldn’t really evaluate the effect. However clarity and soundstage really improved, mostly on the 222 from what I remember. From what I’ve read, most people here seem to prefer the PSU on the pre. Indeed it should power the pre section of the 222 if I’m not mistaken.
I’m sure you are spot on on this, so it’s a pity that @naimophile does not have it. Maybe sooner or later he will temporarily focus on the PSU rather than Nordost cables only 
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how about stacking the PS below the 332? Will there be humming ?I don’t have a rack , I can only stack it below the 332. That’s one reason why I don’t get the PS , fearing of the humming .. 
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That’s not an issue. It would of course be a major design flaw if such boxes started to hum if placed like that 
I also understand the NC boxes are much less prone to hum in general. It’s the OC boxes that mostly have such issues depending on how dirty the power grid is.
The NSS 333 with and without NPX300 or 555PSDR sounds very different to my ears. The external PS improves on micro information/details, dynamics, definition, soundstage and all the usual treats a Naim PS do when added to their electronics. Without a PS NSS 333 sounds more warm, less defined but still very good. I can understand some actually might prefer this depending on speakers, room etc. I would also suggest all Naim cables if a PS sounds wrong on NSS 333.
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@naimophile you could also use the Sort Kone to isolate the PSU even better, but I think @Blackbird is right so you should ask your dealer for a home demo. That way you’ll clear all your doubts, a no brainer solution
Wise words, I agree. A pity the NPX300 I tried wasn’t fully run in. By the way as you said the bare NSS333 is already an excellent piece of Hi-Fi gear. I find the NSS333 more neutral compared to the NDX2 but at first glance I didn’t find it warmer without the PSU. Maybe a fully run in NPX300 would change my impression, who knows.
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I have the possibility to buy one meter Valhalla power cord at a price that doesn’t hurt too much. I am curious where to put it. Do you think it would make sense to use it as an extension on a 3 m A3 power cord that goes from wall socket to the A3 Power distributor? I am asking because this maybe a good way to distribute the benefit of the Valhalla to all components
In principle of this should be the same as putting a one meter valahalla from the wall socket to the power distributor except being a bit better because the A3 power cord would mean that there is a higher quality cabling before the wall socket
On the other hand there is probably a reason why people don’t combine a more budget power cord with a very high and power cord extension aside from the fact that we are all mad because we spend so much on power cables
Would 2 meter Frey power cable plus 1 meter Valhalla be much worse than a three meter Valahalla?
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Have the Valhalla on the main , let your ansuz feed on it . Is it V1 or V2 ? There’s quite a big difference between series one and two
Unless you can loan some Frey 2 to go with the Valhalla , if not , try it out with the ansuz first.
Enjoy 
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Version 1 - the original 
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Ah ok .. you try out.. V1 set the standard for reference cable . I have not heard but the reviews/user experience are positive. V1 comes w furutech plug if I not wrong, not the holo plug as used in V2.
Something to share w you
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Finally, I replaced the Blue Heaven 3 PC with Gotham 85025 after consulting with a very experienced audiophile. Although the latter is much cheaper, I find it is more balanced for my SN2.
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Hi Richard , why aren’t you using naim power line on the SN2 ?
You are right. I am waiting for second hand Powerline offers in my country. Brand new is too pricy to me. Gotham is a good intermediate upgrade without costing too much.
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