Tubed preamp with Krell KSA 150 amp?


I am planning on selling my Audio Research LS3b (ss) pre and trying a tubed pre, possibly a BAT, Aesthetix,modwright, etc.
Any input would be appreciated...I have heard/read that some of the Krell amps need to be tweaked (dc?) to be compatible with a tubed pre.
Thanks,
pjnad
pjnad
An ARC REF3 will sound spectacular with your Krell amp. That is what I'm running now.
Thanks for the above input all...
I was hoping that someone has some direct experience with using tubes with the Krell, as I wrote in my previous post, I understand that there might be a compatibility issue.