Everest,
I have an old KSA 50II which I use with an Audio Research Ref2. In general old Krell amps seems to like tubed preamps. I had a Conrad Johnson that also worked well.
I have an old KSA 50II which I use with an Audio Research Ref2. In general old Krell amps seems to like tubed preamps. I had a Conrad Johnson that also worked well.