Zestos Andros Deluxe 2 (I own one) has balanced inputs and transformer coupled outputs. Overall It is VERY quiet, and is at least as quiet as the solid state Pass XP15 that preceded it. Using quiet American NOS 12DW7s and 12DF7 IIRC.
Phono stage options - balanced with XLR both input and output...
I really like my Elac PPA-2, it's surprisingly good and has bested the few others I've tried. I use XLR/balanced for input and output (for the first time with this one).
It is starting to glitch, and I am considering purchasing another one ('preowned'), but before I do wanted to check here what options you know of in terms of fully balanced phono stages with XLR input and output.