Thats actually a great idea. I see that the 4200 has XLR connections and therefore you could use standard balanced xlr cables?
I still want to pair my Naim AV2 with a Linn AV 5125
I have the unbalanced Akurate 4200 so I have to use RCA cables. But I’m very satisfied with the sound. The pre amp in the Atom HE is excellent!
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I’ve it now connected to my Nap 200 via a 5 meter long rca to din-4 cable. Its a signal only cable I got made years back by Flashback for my AV2 and does good temporary service now.
I’ve a 2*xlr - din4 cable on order - special build.
Ultimately I’d like to pair the Atom HE with a CB Nap 250 - I think that looks great together.
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I’m sure it will be awesome 
Hi all.
Am I right in thinking the balance control setting is not active when listening on headphones? Just curious!!
just wondering. does anyone use the Atom HE as a streaming source into a Supernait 3?
Looking to move up from a Node2I and the screen/form are ideal for my set up. I’m not currently a big headphone listener but that will probably change.
Was also looking at an Altair from Auralic but would prefer to stick with Naim if SQ was good
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I had Chord make me a DIN to XLR cable so I could connect my Atom HE to a NAP 250 DR. It sounds great.
I was using my HE primarily for headphones but since I tried the Atom HE/250 combo, that’s all I listen to.
I’m so pleased with this two box system, I’m going to sell my 500 system.
I can vouch for the Atom HE as a streamer/DAC. It’s also a great headphone amp.
You could replace your SN3 with a 250 DR. You’ll have a better amp.
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Im in a similar situation. Ive used Atom HE for headphones only so far. In the loft Focal Aria 906 K2 are run by Melco-Dac- SN3. I wonder if I should run the Arias with HE, poweramp instead, and sell SN3. That said, I find 250DR a bit over the top in my case and are looking for alternatives right now.
S
There was an error in my response to the question about using an Atom HE as a streamer. The cable I had Chord make was a 2RCA to XLR.
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Wow, that is quite a statement! Nice. 
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How close is the HE/250 to the full 500 system? Sounds like a veritable bargain and great 2 box solution.
First of all, it’s far more user friendly than my big system. The digital volume control has more granularity, it’s safer because you can set max volume, I can control all of it from my iMac, the remote does everything and is backlit. It doesn’t require line-of-sight operation.
It’s far more forgiving than my big system. I can put together a huge playlist with Roon and with my big system I’m constantly skipping tracks or changing volume. With the Atom HE I just sit down and enjoy the music and almost never have to do anything. I find myself singing out loud and beating time with the music.
I have no idea how bass would perform on bigger speakers because I’m not into bass. The NAP 250 DR should be capable of good bass reproduction.
I have Harbeth 30.2’s in a small apartment. I never play very loud and I almost never listen to music recommended by Tidal.
I’ve tried fronting the Atom HE from my ND555 by connecting it with a pair of RCA’s. If there is any difference, it isn’t much. Of course it may be masked because the HE converts analog to digital and then back again.
I don’t believe in free lunches so in a different space, different speakers and with different music my 2-box system might be a big disappointment. For me in my space, with my speakers and at my age and tastes it is extremely satisfying to me.
I don’t need the money so I don’t need to sell the big system. It was just a matter of that expensive resource sitting there unused.
The cost of the HE, a used 250 DR and a Chord cable was less than $10K. The Ansuz D2 DIN/DIN cable I use to connect the ND555 to the NAC 552 cost more than I’ve spent on the 2-box system.
I am keeping some expensive Ansuz ethernet cables and an Ansuz Power Switch along with Ansuz power components. So others may not experience what I’ve experienced.
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Not sure if my Naim HE just died. I was listening to music thru roon and it suddenly stopped. The Naim HE screen was black and the remote and front buttons didn’t respond. I tired unplugging for 2 minutes and nothing happens when plugged back in. Holding power button and play/ input do nothing. Naim app can’t find it either.
Any suggestions? Was going to leave it unplugged for a while. Nothing else in house had issues and tested outlet and still has power.
Hell, that doesn’t sound good. Hope it’s ok.
Is it a fuse in the plug ? Have you tried changing it or using another power lead ?
I would check the fuse by the IEC inlet. Hopefully there’s a spare in there, but otherwise I would contact your dealer first thing.
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How do you open to change fuse? New power cord didn’t work.
In my search I saw you posted in the past to never change fuse yourself. Is that the policy of Naim. If fuse blows under warranty to send back to dealer? If it’s something I can do, I’d rather not send back and waist the time.
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Never try to change for an “uprated” fuse. However, changing like for like is fine. Always ensure it is EXACTLY the same - same type, same rating. Even same make is a good idea for many items (XPS2).
The fuse holder is next to the IEC inlet on the back of the Atom.
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The OP has clearly never owned an xpsdr!
Ah thanks. So I’ll open and check for a spare, otherwise order some extra ones. It list the fuse type on the cover.