Lots of interesting commentary here. Much appreciated. I actually called RGPC and spoke to Alex. He couldn’t have been more helpful. Using serial numbers he was able to determine that I have one of the original predecessors to RGPC 400 Pro. He sent me a ton of information on how they work (as both a power conditioner of sorts and a surge protector) and the best way to use them. (Recall in my original post that I bought them years (20 or so) ago after being upsold by a now out of business stereo store.) I never really understood how they worked and what they were really for other than surge protection. Now I know a lot more. For now I am running my digital equipment (CD player, server, streamer) through one RGPC and running my turntable, phono preamp and integrated amp through another. Both are plugged into a dedicated circuit. I also have a whole home surge protector so I feel pretty good about my gear being protected.
With all that said, I have also preordered the Niagara 1200. When that comes in, I will use it for my source equipment and amplification and use the Richard Gray’s for my subs which are currently plugged into non-dedicated wall outlets. The sub cord cords aren’t long enough to reach the Richard Gray’s now but that won’t be a problem when I get the Niagara and can dedicated a Richard Gray to each sub. Very excited to see how this all turns out.
With all that said, I have also preordered the Niagara 1200. When that comes in, I will use it for my source equipment and amplification and use the Richard Gray’s for my subs which are currently plugged into non-dedicated wall outlets. The sub cord cords aren’t long enough to reach the Richard Gray’s now but that won’t be a problem when I get the Niagara and can dedicated a Richard Gray to each sub. Very excited to see how this all turns out.