The ad reads, Vintage tube preamp in excellent condition. Just serviced, almost no time on new tubes.
Unfortunately, there are no pics of the unit, but here's the ad: http://seattle.craigslist.org/search/msg?query=bass&srchType=A&minAsk=&maxAsk= (http://seattle.craigslist.org/search/msg?query=bass&srchType=A&minAsk=&maxAsk=)