"Onkyo produced decks with anti resonant heads"...no such heads were ever made, more like anti resonant tape path and chassis and tapes with anti resonant shells. Never heads. No such animal. In 1988 the Onkyo TA-2090 was their top of the line deck besting the Nak Dragon in a 5 way deck shootout, the TA-2090 was discontinued by 1991, that was followed by their new best deck the TA-2080 of which I have. The TA-2080 continued for sale until 1994, that was THE last of their great decks. All that followed were cheap offerings. The Nak 582 was from way earlier, 1979 to 1981 and was not a very good deck. Any top of the line Onkyo would have been better.