Tube Preamps.....

I have my PrimaLuna Dialogue Premium PreAmp coming in this week.
Running a Mac Mini with Roon, connected to Pro-Ject Pre-Box Digital S2 for now. Does Tidal MQA, DSD and everything else you throw at it.
May upgrade the DAC later, and use the Pro-Ject for another system I'll build for my office.

+1 @whitestix on the Sachs pre.  He also offers a short in-home trial, which is a real plus, and the fact that this would be new rather than used is also kinda nice.  At your price you could do lots of Don's upgrades to create a really nice pre. 

On the used side, there's a nice Backert Rhumba 1.2 listed at $2400.  But if you can stretch your budget just a bit there's an Allnic L3000 mkii reduced to $3700 that looks like a great buy as its listed retail is $13,000 (there are nice reviews of the original model from Audio Beat and Dagogo comparing it to other nice preamps).  I have to say if I'm you I'd have a tough time passing this one up as it seems like a truly top-level and potentially end-game component -- if there is such a thing.  Best of luck. 

Joe pepperoni pizza is more of an American thing. :)

The Schiit Freya is maybe a giant killer of a tube preamp, and it's so cheap you could add an astonishingly great DAC and stay in that budget.