What is a sumo nine worth today?

I have a sumo nine had it for years still in plastic in the box can anyone tell me about it and what it be worth today?

tamitha08-08-2019 1:57pm

vic_wahby Details Discussions Posts This discussion Message User 1 posts 06-22-2020 at 02:19am Copy Comment URL Report Comment Edit Delete I have one. Bone stock. Who's the man to send it to for refurbishing? I once compared it to an Audio Research Ref 300. I feel pretty dumb to have even tried... Not pretty.