I received these from my late riding partner's widow. I am not a digital guy, and had/have no use for them. They appear to be in good shape, and construction quality is great. I cannot say how they sound together, but will send your money back if you are unhappy for any reason.
This is either the second or third time this product has been listed. The first time, the winner reneged on his bid of $476. The second, AG put it up for about a day. So this is the real auction, and will be up for two weeks. Stereophile's article here: https://www.stereophile.com/digitalprocessors/276/index.html