I have a Eimac SK-516 chimney for the 3-1000 tube.This chimney looks new http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=247923171 -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com Search: http://www.contesting.com/km9p/search.htm