Some of the suggestions are good. But there are several that have not been asked: One- What speakers are you using with your Krell gear? Two- Do you need a phono stage? Three- What speaker wire and interconnect(s)are you using? Four- Are you using digital or analog or both? Five- Is Home Theater in the picture at all? And six- Are you open to tubes or prefer solid state over tubes?
In my experience most individuals that use Krell gear don't consider upgrading to tube gear. I think once we get the answers to the questions above only then can we suggest safely.
In my experience most individuals that use Krell gear don't consider upgrading to tube gear. I think once we get the answers to the questions above only then can we suggest safely.