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Tube testers

What is the prefered tube tester that works well with the tubes we encounter with Atma-Sphere products? I would like to test 6sn7's, 12sx7's,
12at7's,12au7's and 6as7's. I would idealy like to check for noise and microphonics but I understand this is not so easy. I have been looking at auctions and the models that seem the best are the likes of Hickok TV-7, or 539B.
What about a TV-3 or something like the Eico 677?

How difficult are these to calibrate and are the auctions a good place to look for testers like these?

Any advice welcome

Keith


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Topic - Tube testers - Keith 16:26:02 11/15/00 (6)


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