LTA Ultralinear vs Pass Labs XA25


I'm very curious if anyone as listened to or had the chance to AB test these two amps together? I currently own the LTA ZOTL 10 MK II and absolutely love it for a multitude of reasons. I'm in the market for a new amp because 10 watts isn't quite enough power to drive my 88db SALK HT2's. I'm almost ready to spring for a Ultralinear but am very curious about the Pass XA25.

Thanks!
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@benrosser
Thanks for the feedback!

@knik
Thanks for the feedback as well. Very interesting because I was considering the Rogue ST-100 as well. And Primaluna EVO 400 for that matter. What would you say the Rogue does better than the Pass XA-25? Maybe the top end?

@ddafoe

I have owned both the XA-25 and 30.8.  I much preferred the 30.8.  I did not like the XA-25 and found it fatiguing to listen to for any extended time period even with a tube preamp. My speakers were the Sonus Faber Elipsa SE's.  YMMV
I have upgraded to the Pass Labs XA30.8, driving my Spendor D9s with ease. Super happy...

@ddafoe 

I mainly listen to jazz and rock and listen at about the same levels as you mentioned (80db avg). The XA-25 can easily push the Spendors to lounder levels but then it gets too loud for my space.
I also like that the amp is smaller and lighter than the Rogue ST-100. It also doesn't get any warmer than the Rogue.
@shahram
In my system and room, driven by the matching Rogue RP-5 preamp, the Rogue ST-100 has better soundstage depth.
The XA-25 is comparatively slightly more forward sounding in the midrange and guitars, horns and percussion have better presense.
Through the Spendors, the top end is very smooth through both amps but the Pass has much better resolution of details. I can more easily differentiate between different cymbals and how then drummer is striking them through the Pass XA25