Are some years of NAD 2200 better than others?

I've noticed some sell on Ebay for considerably more than others.

fivefasts03-12-2009 7:15pm

bongofury Details Discussions Posts This discussion Message User 1,160 posts 03-12-2009 at 10:14pm Copy Comment URL Report Comment Edit Delete The basic watt per channel and noise cancellation improved through the years, peaking around 1987 to 89.