help........

just purchased a conrad Johnson classic, with the m8080 tubes.  man this thing is loud.  I barely have it on 2 and can barely handle the loudness.  what can I do.  assoc equipment McCormack dna 500, oppo 203, alon IV, acc zen.  is there another tube I can use to bring the volume down some... let me know, thanks.  maybe the impedence is not right for these tow.