Thanks, Lawrie. A huge UPS would work for everything except the laser printer. Good idea.

I didn't mean to muddy the discussion, but part of my problem is that I have a 20-amp outlet as required by the Furman, and this outlet is tied back to the same ground as the outlet in the other room containing the rest of the studio equipment. This prevents the ground loop between the bedroom that is the control station and the other bedroom that is the recording space. Then, in the control room, I have another regular AC outlet not tied to the same ground. I don't want to use that for the mid-size UPS because of potential ground loop, but if I don't, the UPS doesn't cut in fast enough in a power outage. Did you ever read "Catch 22"?

BIAB 2025 Win Audiophile. Software: Studio One 7 Pro, Swam horns, Acoustica-7, Notion 6, Song Master Pro, Win 11 Home. Hardware: Intel i9, 32 Gb; Roland Integra-7, Presonus 192 & Faderport 8, Royer 121, Adam Sub8 & Neumann 120 monitors.