I would say the Ancient 4-1000A should not be ruled out.. Used with a tuned grid input and serious High Voltage, it's performance is hard to match. -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com Search: http://www.contesting.com/km9p/search.htm