Uniti atom + Hifiman Sundara. Bad combo?

[dr-isak]

Hi,
I recently borrowed a pair of Hifiman Sundara to try in my Uniti Atom (not headphone edition).

After a few minutes of listening, the left side channel suddenly started to make a crackling sound. I thought the headphones broke. But they were working fine connected to other units.

It turned out the amp was broken, as other headphones behaved exactly the same after this incident.
Just crackle noice in the left channel.

To my surprise I found this post, with a very similar scenario with the same headphones.

Bad luck with Naim unity atom

I bought a Naim Uniti Atom in beginning of December last year. I really enjoyed the sound, and the form factor. After a couple of weeks i tried my new Hifi Man Sundara headphones. After some listening the right headphone channel disappeared. There’s nothing wrong with the headphones. I listen on them daily via my Chord Poly/Mojo setup. One week after Christmas I received a new Atom from my dealer, I tried my headphones and the right headphone channel disappeared. Today I received my third Atom…

Just a coincidence?
Anyone experienced the same issue?
With or without Hifiman Sundara for that matter.

At the moment I am not sure if I will get it replaced by the dealer, even though the amp was purchased less than 2 years ago since I am the second owner.

[Richard.Dane]

I don’t know about the Sundaras but I’ve used a pair of HE-400is without any issues on an Atom.