Hello, I have a Knight 600 tube tester, would like to test a KT33C tube. I know KT33C = CV1503 = VR503 , but cannot find in the chart , anyone can help ?
Try doing a Google search for the tube tester you have. Narrow the search results by clicking on images. Sometimes people post documents, like owners manuals, in picture format. You may get lucky and find what you are looking for.
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