I think that after 28 years the NAD has finally broken in. The less patient than you will never know how good the amp is.
BTW, if you sell the amp on Audiogon anyone can quickly search your posts and find out that a lowly NAD amp sounds better than what you're selling, at least in your opinion.
BTW, if you sell the amp on Audiogon anyone can quickly search your posts and find out that a lowly NAD amp sounds better than what you're selling, at least in your opinion.