hmmm okay glad you got yours figured out! I may try to take mine back again then, if you're able to get it to no audible hum.

No, just one dac connected to rca input. And I test headphones one at a time. Is there any audible hum in your unit?

rca input, hum is present with my dac connected or not. hum is also present through both balanced and se outputs

Thanks for the reply! Just tried this, but the hum persists both ways.

Hey all, I bought an MHA200 a few weeks ago. After about a week, it started to develop an increasingly loud transfomer hum. I brought it back to the shop and they confirmed that the noise was louder than the demo model they had out and gave me a new one. The new one, right out of the box, also...

Hold down the cross feed button as you power on your Hugo