Hi Can anyone tell me what a 2H21 tube is and what it is worth??? I can't find any info anywhere on it... Pleaase let me know...73 de Jordan VE2SWL/VE6... -- 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