While we are on this topic, I am looking for a filament transformer for my Project, I need one thats good for my 3cx800a7 retrofit, any suggestions??.. Tnx Richy -- 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