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Greg Christensen at ARC gave me a tip after contacting their support email. He said that a different model with a similar display was sent in for this same issue. What they found was the power cable...

Good point. Yes; I confirmed this. The S20 is rated at a full 15A@120V and I know for certain that it will deliver this. The total peak the load on this UPS is only about 60% of its rating.

BTW,...

Have a minor problem in my now 10-year old LS27. While plugged into my ARC S20BLK UPS, this preamp randomly just "blinked off" and then back on twice now in the past 7 days.

It's like there was a...

I've been designing and building various versions of analog "wall warts" for my personal system.

I could custom build you one that would have physical dimensions of about 2"x4"x6" and weigh about...

Brad did an amazing job on the sub and now these matching panels. He is a genius when it comes to woodworking and musical appreciation. A gentle soul with a huge heart. Kudos to you, my friend.
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