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NRI 68 tube tester for newer tubes
#3

Those two are not on the list either. I believe these tubes were introduced after the tester was made.


Messages In This Thread
RE: NRI 68 tube tester for newer tubes - by RodB - 12-26-2024, 03:35 PM
RE: NRI 68 tube tester for newer tubes - by Tennangler - 12-27-2024, 08:38 PM



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