Quote:
Originally Posted by Kirk
That adapter is for a late model color crt. For electrostatic tubes- I too use a VT-71 chassis for this purpose to test an unknown tube. I have found no other reliable way to be sure.
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I picked up a Precision CRT tester from the early 50's, that can test a 7JP4/8BP4 type tube.
Unfortunately, the time I tried to use it, it pinned the needle on the meter! I never checked into it.
