Anyone have information on these tubes, Look like 4-400's but I can seem to find anything on them, Have two and are new....Thanks Ron -- 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