Conrad-johnson TC5 or Cary SLP 05 ?

I too will chime in on ignoring the phase inversion aspects. Though I do have a question or request for clarification on Stanwal's comment: "just switch the speaker wires on one end, ie black to red and everything is fine."

Is that on both speakers or just one speaker?

both, but either just at the speaker end, or just at the amp end, not both speaker and amp ends.

Hello the newer ET-5 is the best of both worlds and is the baby Gat preamp which is Very close in sound quality to the flagship- GAT that is over $18k for under $9k this is the ticket look at Tone magazine issue 39.