Can't guarantee audiogon blue book would have much on that model in that many rarer models do not have a lot of data, but for the monthly fee it is generally a good investment. Audiogon blue book is worth having whenever seriously considering buying used expensive gear.
I'm not familiar with that specific Onkyo but Onkyo has made some beauties that also perform quite well over teh years.
I'm not familiar with that specific Onkyo but Onkyo has made some beauties that also perform quite well over teh years.