Jolida Foz SS-X Tube buffer & soundstage expander?


Anyone have any hands-on experience with the Jolida Foz SS-X Tube buffer & soundstage expander?
I've read a few reviews but I want to hear from members of this website that have actually used it.
Your positive and/or negative comments would be appreciated.
https://www.audiogon.com/listings/acoustics-jolida-foz-ss-x-tube-buffer-soundstage-expander-2017-11-...
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@mesch I'd forgotten I was going to provide my thoughts on the SS-X.  I've been too busy listening to music and enjoying it! 

I'm using it in a vinyl-only system between a solid state phono stage and a solid state integrated amp.  My speakers are bookshelf speakers.  Before putting in the SS-X, my main issues with my system w were some treble grain/glare, having too much of a front-row perspective, and some imaging problems (the latter two issues due partly to my small listening room and needing to have my rack between my speakers).

Once I put the SS-X in, those issues were eliminated - it was startling.  The perspective became much more "mid hall." The soundstage gained depth and became coherent, as if the rack were no longer there.  And the treble grain/glare was removed.  Instruments and voices sounded richer and more present.  It made several very modest solid state phono stages sound like more expensive tube gear.  I did have a tubed phono stage on hand for a while, and the combination was a bit soft and lacked dynamics, but it was surreal to listen to the vast, liquid soundstage.  Ultimately, I preferred the combination of a SS phono stage with the SS-X.  

I put in an NOS Brimar 12au7, and that made it even better.  Looking forward to trying an NOS Mullard in the near future.  The SS-X also benefits from a good power cord, upgraded fuse, and vibration control. 

I'm really glad that I gave it a shot, and it's staying in my system.  It's an entirely different listening experience with the SS-X in the chain - -engaging, relaxing, emotionally involving. My only dilemma is whether to purchase another one for my work system or as a backup if mine ever has an issue.

Happy 2021 to all,
Scott 
@smrex13 Thanks for the perspective.  I’m going to order a SSX, should be fun.  The OP had Maggie’s, which also piqued my interest. 
@smrex13  Thanks for the feedback. I have a friend that owns one and would sell it to me. Been somewhat hesitant as I have a tube DAC and tube pre feeding a SS amp which are working very well for me. I may give it a try.

Hope things are going well for you. 
@mesch It's a fairly minimal cost for a (potentially) significant upgrade.  If nothing else, it's a fun piece to play around with for a while.  With a tube DAC and tube pre, you may find it to soften things up too much, or it might just add to the good things that the tubes are doing.  I'll be interested to hear how it works if you give it a shot.  

Stay safe!  Hope you're doing well!
Scott
@smrex13 Yes it would cost me $200. I would like the soundstage expansion it provides on some recordings. 

We are doing well here. Maybe make it to Oregon once Covid is dispensed with. Take Care.
Mike