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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: Test for KR 842VHD tubes posted by Rick R on April 10, 2007 at 15:00:03:
You are correct in your assessment of the condition of the tubes. There is no need to try and increase filament current. The tube is going to draw what it needs assuming your tester is capable of delivering the necessary current without too much voltage drop. Nonetheless, the readings, while maybe not totally accurate, are a reasonable picture of the tubes condition.A word of caution. It is true the 842 will draw more current from the filament supply. Some amps cannot handle this and you run the risk of damaging your amp. Also they need to be biased hotter than regular 300B's.
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- Re: Test for KR 842VHD tubes - JoKath 21:08:20 04/10/07 (0)
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