Suggestions welcome!
https://pittsburgh.craigslist.org/ele/d/free-ma-audio-subwoofer/6605828939.html
per the cover of the manual, looks like a 10"
High Fidelityhttps://pittsburgh.craigslist.org/clt/d/1960s-volkswagon-bus-worlds/6610121370.html
http://www.youtube.com/watch?v=oVME_l4IwII&feature=youtu.be