Which amp to match the Ultra?

I’m not talking about your ears or anyone else’s.

If you hear a piece of music, and there’s no sibilance, then you hear it on something else and there is, and you can hear the difference, then that can be measured, no question.
Sure, that is why asr says a power supply will make no difference in the Argon Solo .... Anyway, when I were to get the Ultra I will make sure to replace the stock power cord with big and heavy fancy one.
 
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