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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: Re: Misleading Ebay Tube Testing Claims posted by Alpha Al on July 20, 2006 at 15:17:20:
You are correct in that you should measure trans and current draw, but a 539C is not capable of doing this accurately at real world operating levels. I beleive that the 539C maximum plate current is about 130 volts, which is roughly 200 less than real world for 6BQ5s. If you really want to match power tubes correctly then you need a tester that goes up to about 500 plate volts which will cover just about every power tube with a few exceptions. No suitcase tester that I know of does an adequate job on power tubes.
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- Re: Misleading Ebay Tube Testing Claims - jcoe 17:35:34 07/20/06 (0)
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