Phono Preamp

I cannot get back into tubes myself at all. I grew up on tubes and have used many tube high power transmitters and receivers over the years. Love em; but they are in my opinion too noisy and subject to degradation due to poor vacuum or internal break down. In other words, variations in specifications ; it’s 100 year old technology. In fact a few years ago I had the US importer and distributor of a very high end amateur radio/military linear amplifier over to my place in order to swap out the final output tube pair in the amp. We went through at least a dozen pairs of NOS 4CX800 ceramic tetrode tubes before we were able to match two which were close in specification. Nope, not for my audio gear. High power transmitters with lower spec audio requirements are fine, but in my audio gear I am more interested in the latest technology.

^ We're talking about a phono amp not a 400w transmitter!

^ precisely; I prefer not to be using tubes in audio gear.  A 2500 watt transmitter is fine with low fidelity SSB or CW signals which are only dealing with a frequency range of 300 to 2000 hz; fidelity really isn't an issue.
Years ago when I had a really nice Fischer receiver which ran all tubes, it was nice to turn it on, wait for the warm up and then listen.  But I just prefer the modern low noise solid state devices today.  

It is precisely devices like preamps, DACs, etc in which small signal tubes are used that have no downside when compared to similar S.S. components. With tube amps things get a bit more complicated. 

Can't make a statement about a phono-pre without knowing the cartridge your using.