I picked up a Sonic Frontiers SFL -1 for $500 six months ago. Great sounding preamp , Parts Connexion still services and upgrades them. I have it in my system right now, my main preamp is being serviced ... it is one of the best values in used preamps out there, even though its older its built like a tank and I think I actually like it better than my cj Classic . I have to decide which spare pre I'm going to keep , pretty sure I'm selling the cj and keeping the SFL....
