Did anyone experience Audio Prism's Ground Control

Try both Ozzie. It takes about two hours for all of various charge states to get organized. After that time interval, pull the RCA out, listen for 10 minutes and plug it back in. Do thi for both, though you may want to check with Pass Labs to see if their ground design is continuous for both channels. If so, one RCA should do and I would place it on outputs in preference to inputs, but I doubt there is a rational reason behind this choice. Good idea to check out the Cary also, but I would expect it to be a continuous ground for both channels in the analog output buffer stage.

Under no circumstances should you introduce one of these Ground Controls to the digital ground of any digital section of any piece of equipment. Using it on the outputs for the Cary is all you want to consider and only for the analog outputs that drive the preamp.

Bud

Ozzy- I'm using only the version with spades. Can't speak to the RCA's.

Hjs, Thanks for the clarification. Are you using the Ground Control spades at the Amp and the speaker ?

Ozzy,
I'm using the spades only at the speaker.

Just got my third set of the Ground control units. I now have 2 sets on my biwire speakers and a set at my Amp end.

I cant believe how much improvement these little items have made in my musical enjoyment.

The bass has become much stronger and defined. So much so that I had to turn down the setting on my JL Audio sub. Cymbals crash and simmer much more like real cymbals. Vocals sound much more relaxed and real.
And the soundstage is very deep and wide.
I cant say enough good things about these little Ground Controls.

The ONLY negative is they could be cheaper for what they appear to be made of. But sound quality wise the cost is cheap compared to the sound quality improvement.
Way better than HIFI fuses. Way better than most interconnect and power cable upgrades.

But I should note that I do have some rather expensive cables in my system.

All in all it could be the sum of all my audio parts.