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Chuck Harris wrote: Jump'n Jack Flash wrote: I am looking to buy a heathkit tube tester. Did you want the Heathkit for a collection, or to use? The reason I ask, is the Heathkit is an emissions tester, and as a result, doesn't actually test anything but the cathode of the tube, and to check for shorts. Any of the Hickok machines would be a much better choice. They are all dynamic mutual conductance (Gm) testers... (But then, with a used Heathkit, you do get the added advantage of having a unit that was soldered by a hobbyist;-) So *that* explains the high prices of the unbuilt Heathkit projects on eBay! Truly things /are/ stranger than we can imagine. 8-) Chris. |
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