Have just reactivated my old setup with UPGateway NAA streamer with Cardas Audio Clear High Speed USB cable (which was being replaced), Holo Spring 3 KTE and Ferrum stack on High Gain playing through Roon and HQPlayer on 1.5 MHz upsampling.
Have applied some slight PEQ (oriented at the ORATORY PEQ but with reduced decibels and without the high shelf as this is not needed with the Ultra wides)
God, SolitaireP sounds so delicious resolving, holographic especially with Ultra Wide pads with dry hitting thump (with unequed stock pads and slightly equalised wide pads) both for Electro, EDM, Pop, Rock, Metal.
Really addictive Swiss Army knife, exactly the mix of Susvara and TC I was hoping for.
It might not completely reach their respective strengths (like Susvara vocals - but very close imho! and TCs super wide stage - but the cubic 3d of SolP is impressive by itself! or the skull shattering bass - but is having the TC's dry bass tonality or the TC speed - seems slower but still decent.
Overall it is the closest mixture I can imagine up to now.
For many songs I myself need the alluring bite of vocals and shimmer on top which is reached with the ultra wide stock tuning better imho.