Amperex 7308

Did Amperex make the 7308 tube without the PQ Shield logo?

glory05-29-2009 3:14am

cyclonicman Details Discussions Posts This discussion Message User 693 posts 05-29-2009 at 03:29pm Copy Comment URL Report Comment Edit Delete Glory - Some pertinent information. http://www.audioasylum.com/scripts/d.pl?audio/faq/joes-tubes.html