You can on Hifi shark. By looking At the open and close dates of closed listings you can tell which sold and you can link through to the original listing. You cannot see the actual selling price however
The ebay system lets you see past sales, as well as listings that didn't sell. Go to "Advanced search" and put in the component you want to find out about.
You must have a verified phone number and physical address in order to post in the Audiogon Forums. Please return to Audiogon.com and complete this step. If you have any questions please contact Support.