Why don't you e-mail Audphile1, he has a ARC tube preamp with his Pass X250.5 amp.
Search the virtual systems for Pass amps and see who is running tube preamps with them and contact them. I've done this before, and most audiophile's are polite enough to answer if you are polite to them.
John
Search the virtual systems for Pass amps and see who is running tube preamps with them and contact them. I've done this before, and most audiophile's are polite enough to answer if you are polite to them.
John