Quote:
Originally Posted by Polaraligned
Do we not need to set cutoff in range before proceeding to emissions?
The emissions test results vary with the cutoff setting.
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That's how it works with the B&K testers, you can make a weak tube check good by cranking up the cutoff voltage.
I have no experience with the CR70 so I can't say on that.
I have a tube I rejuvenated that has great emissions but the cutoff won't respond all, still it makes a bright raster.