Quote:
Originally Posted by Electronic M
There are few testers designed to work with the 7JP4. One rare early postwar model, the Sencore CR-70 and it's successor are all that come to mind.
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Add Jackson Model 707 Dynamic Cathode Ray Tube Tester and the Precision (PACO) CR-30 CRT tester to the list.
I picked up a nice Precision CR-30 for myself at the last WARCI meet! (Thanks Jay V.)