Phono Preamp

I'm not sure the JLTi has to take a back seat to the Herron. The thread which got me looking at the JLTi was a shootout conducted  and attended by several other audiophiles, including Jay @ Audio Revelation. They all concluded that the JLTi was the best of the several they tried...all much more expensive than the JLTi. Jay subsequently began to sell the JLTi because of it. That thread is at least 10 yrs old now. That said, I have not heard the Herron nor do I know if it was included in the shootout. IIRC, it beat a Whest which was all the rave in a stereophile review that year.  But again, I'm going from memory.

The interesting thing about the Whest line up is that the units James built 10 years ago are far different than the latest designs.  If you look up threads on them, a guy named DCarol had several versions and kept moving up the line.  He got to the Whest PS.30 RDT SE and was floored at how good it was and in fact he did an evening with two other friends who brought over very expensive units from Boulder and if I recall, Avid?  The two friends sold their preamps and bought PS.30 RDT SE's.   DCarol ordered the Mark V Reference dual independent chassis mono phono stages from Whest (like around $18K) and later posted that those units took things up to some unheard of new level.  He would not sell his PS.30 RDT SE, he held on to it.   
That was a few years ago.  James told me that the 2019 build of the PS.30 RDT SE is multiple steps up from the earlier one DCarol is using.  This latest version uses the fully discreet front end of the PS.40 RDT, the same dual toroid transformers of the 40 with an elevated voltage rail, a full suspension chassis for the main boards as used in the 40 and Titan, the Titan wire harness and zero floating voltage boards (if I got that part right).
All of the capacitors are Clarity Caps, which are very high end hand made (Bryston uses the Clarity Caps in their amps too).
If you want to see beautifully laid out circuit boards, the best I have seen anyway, do some Google images on Whest phono stages....  gorgeous stuff.

Thank you very much, guys.

It will be very difficult to decide, I think it will be impossible to find in Spain the most of your suggestions, but I will try. But, in my next travel to UK, I will test anything I could find.

Anyway, I learned a lot.

thanks, community!!!

 Sutherland

If you are going to the UK, check out Croft Acoustics.  I run two 25R phono preamps with custom tubes. He has various RIAA only models. Glorious with non-MC cartridges.