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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Perhaps leaving the unit on for an extended period of time before playing it. Someone mentioned much better music after the unit was on for 12 hours. Perhaps this a beak in period. I did buy a different tube for it that had some merit.
  I would like to add that an unexpected function of the unit is applied with the old Beatles recordings, since I am less impressed with one instrument per channel. The SSX allows you to mix them back to a much more believable recording.
Hello everyone,  So here we are a year later.  Just wondering if anyone had any additional thoughts about this box.  I just found out about it today, and I am potentially interested...

Particularly interested whether it improves the "3D sound stage, Holographic, wide and deep,etc" with bass, especially at lower volumes in a small (8x10) room.

I have a Peachtree Audio Nova 300, that I could connect with this.  Might save me having to purchase an external DAC to improve as per the above..

Thoughts?
I just got mine yesterday.  Will give a report after I have a few days to play around with it.
Hey smrex13, looking forward to your thoughts on this unit. I have a friend that owns one and is willing to sell it to me. Must be sent to me so I am deciding prior to making offer. Hope things are going well for you.
Aloha,

Just got off the phone with Black Ice Audio in regards to the SSX.  In regards to it’s tube buffering abilities, apparently it does help with impedance mismatches.  It has an input impedance of 100K, and output impedance of 100.

I asked about the frequency for the bass EQ and was told it’s a peak at 20Hz.  This gives me pause in terms of purchasing one.  Black Ice explained that the bass EQ will only effect music that actually goes down to 20Hz.  That, for instance, jazz will be unaffected because that type of music doesn’t go that low.  Heck, my Magnepan LRS only go down to 50Hz, and my REL sub only to 24.

I have a difficult time understanding how a bass EQ that only effects 20Hz can be of any use at all.  The Decware ZBox, which is an $800 tube buffer/ EQ has influence on frequencies from 1000Hz down.  The Schiit Loki, off the top of my head has knobs for 20Hz and 400Hz.

Help me here.  How does the SSX 20Hz peak affect the bass being exclusively at such a low frequency?  When you turn up the bass EQ knob, do you experience a nice bass boost?  Does it require you have ultra low going subs to hear it?

Thanks.