You'd do better buying separate Signatures for each channel: Much better channel separation that way. They could be used Signature 600s, or whatever Signature amp is least expensive used.
IME the Sunfires have issues with RF. These can be solved, though, with a Marigo Ultra 5 power cord.
IME the Sunfires have issues with RF. These can be solved, though, with a Marigo Ultra 5 power cord.