I have a unique scenario scenario where I was able to compare two Yggy’s. My only reason for comparing, I was really curious about leaving the power on to see if there is a noticeable difference in sound. (and I was able to choose a black Yggy over the silver Yggy)
I recently picked up a silver Yggy and black has always been my preference but I figured black would be difficult and just went with the silver. I’ve had a discussion with someone interested in the Matrix I was selling and they were also interested in a Yggy but couldn’t pull the trigger at that price point. We’ll, a black Yggy came available and I inquired on a time frame that someone would be potentially interested. Instead of dragging this story on, I have second Yggy on hand that came in yesterday, the previous Yggy was running for most of last week, power stayed on. Both are A2’s with Unison by the way.
Here’s a small hitch. The second, black Yggy has a transformer hum. The more I used it, the quieter it got but it was still there. I still am going to give it more time and see if I settles in and potentially goes away or is it just a mild nuisance or a potential problem. Side note, it sounds good and works with usb and fiber.
Now before you think ground loop, the silver was completely silent. I took the black one down and put the silver back in it’s place, quiet. Back to black, slight hum but it was there. Now, same everything, same power cord, same usb to signal re-generator (usbe) to ipad out to Decware csp-3. Power is equi core 1000 power condition and deep core 1800 removes dc, efi and rfi.
So, I have one comment and one question for the group.
Question, does anyone with a Yggy have any of what sounds like a transformer hum?
Comment: I was unable to tell any difference between the sound of the Yggy that was on for five plus days versus the second Yggy that I basically got off the Fedex truck yesterday, swapped locations with the first Yggy, powered it on just long enough for the lights to stop flashing and run it.