the quality performance on your analog rig will be the quality performance on the " poorer/poorly " link on that analog chain and IMHO that line stage ( where the cartridge signal must pass ) that you own is that " poor/weak " link, so IMHO it will be a better choice/alternative to see the phono stage change ( for a quality improvement ) like a whole: pho/line stages, as a fact and IMHO these two stages most be in reality one integrated ( synergy ) unit.
IMHO it does not make sense to buy a " Ferrari " with bicycle tyres.
Agree with Rauliruegas -
Hence, the Leben RS-30EQ
Tube rolling to this day...