@wrm57 LTA has never offered truly balanced gear. It was just transformers to make it compatible. Not sure how big of a deal it is though.
Linear Tube Audio version 3 of the MicroZOTL pre
LTA has announced a version 3 of the MicroZOTL preamp. From their website, it sounds like a fairly significant upgrade. I reached out to them and they mentioned refinements in bass and the high end.
There is also an upgrade path for current MicroZOTL owners. Wanted to share for LTA owners and fans.