Hi all need manual for TS 629 B/U audio test panel and the following tube for same: 6C20 it fits an octal base.. can anybody help??? -- Best Regards Robert Fowle KC8DBC my shipping address is: 1215 Winifred..Jackson, Mich. 49202-1946 ICQ web pager: http://wwp.mirabilis.com/649056 My Web Page: http://www.jacksonmi.com/hammarlund