An original Marantz model 8B stereo tube amplifier from 1965 in good working condition. We are not the original owners and don't know the history of this. From looking inside it looks like at some point some caps were replaced. It has been sitting in storage for many years so at this point I would recommend having a qualified tech inspect it and bring it up to spec. The bias control works well but we don't get any reading on B2. These were state of the art in their day and still deliver great sound like only a classic tube amp like this could. Includes the tube cover which I believe was an option in 1965.