I build my own based on this web site https://www.audiodesignguide.com/Phono/pre-PhonoEnd.html
but use quad mono 6X5 ECL82 power supply. I use all naked z-foil resistors for loading and RIAA, all Charcroft ruby silver mica RIAA capacitors, 2w Audio Note silver Niobium for cathode bias resistors and Audio Note Kaisei non-polar for cathode bypass capacitors.
It won Allnic H-5000 DHT (previous Allnic top model) and Ypsilon VPS MK1 to my ears.

