Looking at your RC-995 preamp, the balanced output is in name only BTW because it’s clearly not a fully-balanced preamp so paying up for an amp with balanced inputs really doesn’t get you anything (except higher cost). Frankly, I don’t think the RC-995 is doing you any favors sonically so I’d seriously consider selling it and buying a good integrated. Here are a couple good examples FWIW…
https://www.usaudiomart.com/details/649933972-hegel-h190/
https://www.audiogon.com/listings/lisb2666-plinius-hautonga-solid-state
Just another potential avenue to ponder, and best of luck in your search.