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Tube testers

T

Thyratron

Active Member
I've got a Heathkit TC-2 (circa 1956) which I purchased a few years ago; it's been my only tube tester since then. The other day, I saw a Jackson 648A (circa late '40s, and probably twice the size of the Heathkit) for sale for what seems to be a relatively good price. My question is: would it be wise to pick up the Jackson, or should I just hang on to the Heathkit? I don't use tube testers all that much, but it's one of those things that's nice to have around. Does anyone have any experience with one being better than the other, more versatile, more accurate, etc.?
 
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IF you can get the Jackson for little cash its worth picking up. Although its not a Mutual conductance tester it is a step above an emissions only tester. I have an emissions, a jackson dynamic, and a Hickok mutual mutual conductance tester. The Jackson and Hickok have never disagreed.
 
What would be considered a reasonable price for the Jackson, anyway (very nice shape, with manuals and various odds and ends)?
 
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