Tube preamp for pass labs ?


I recently bought a brand new Pass Labs x250.8. It seems to be finally broke in after about 800 hours. I’m using a good preamp, the BAT VK-33se. I’m curious what other tube preamps others are using with this amp? 
one thing I did was bought inexpensive Wireworld stratus power cables on Sale for $116 shipped brand new for amp, preamp, dac, and server. They seem to have helped settle my system down quite a bit. I really like these inexpensive cords. 
but, again what tube preamps are you owners of the 250.8 using?

TIA for any info given. 
Starboard

starboard

Showing 1 response by newwater

I found after many tried. CAT SL1 mk3 Line Stage with upgraded caps & wiring. Still sounds as good as any, that’s why it’s still around and a winner! Pass needs a great tube preamp to hear its resolve. 

The next positive surprise and very musical with inner details are Allnic preamps  musical & smooth.