Tvad, this is a site i have found useful.
http://www.alltubetesters.com/articles.htm
http://www.alltubetesters.com/articles.htm
Which Tube Tester for 2A3 and 5Z3 tubes?
I own a B&K 606 Dyna Jet tube tester, but it's manual does not have measurements for 2A3, 300B or 5Z3 tubes, so I'm assuming I cannot test these tubes on this unit.
Which tube testers provide testing for these tubes?
Which tube testers provide testing for these tubes?