I have a lead on tube from Germany with P/N RS1012L. Want to get specs on this tube. Any leads would be helpful, or how to contact MFR. 73 de Arne N7KA -- 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