Sand Dan Glokta
100+ Head-Fier
Wow, what a list. I thought it were only ultra expensive models like vinie rossie brama. Thx!Check the first post here, about half way down, for a list of 300b preamps.
https://www.head-fi.org/threads/headphone-tube-amps-the-hunt-for-all-300b-tube-amps.962932/