looking for a tube preamps that doesn't sound like SS

I am not sure why you would a warm old school sound unless you had some deficiency in your system that would cause you to want to thicken things up. A list of your components would be helpful due the fact that a change elsewhere could solve any problem you might have. Of the advice above I dont think that the Berning, Rogue or Schiit products would give you what you want. The Berning is a wonderful preamp but it isnt particularly warm but more linear/neutral. Suffice it to say that I am not a fan of Rogue and of Schiit even less. I think that the old CJ preamps and the Joule are good units for what you want. I prefer the Joule to the old CJs.

I forgot to mention that Audio Note Kit preamps are very good and lean toward the warm side but not obnoxiously so. You can buy them as a kit or have them assembled.

From what I read oglethorpe is on the right track with the tube preamp.
I’ve read pretty much everything on the Don Sach pre, which looks really special.

Anyone have experience with Erhard Audio, Aretha preamp?
I’m interested in a tube pre with tone controls. Would also like a headphone jack, but would that require another amp within the pre?

http://www.erhard-audio.com/Aretha.html

Based on that long running thread the Supratek was on my short list, but I abandoned that idea when I found it was single ended only.

ozzy