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#1
08-11-2005, 03:52 PM
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Need Info on 6BK4 Tube
I have a 6BK4 Tube used for HV regulator. What symtoms does tube give when bad?? Is there a differance between a 6BK4A/B tube & a 6BK4C tube?? My tube tester doesn't test these, what tube checker does???
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#2
08-11-2005, 04:55 PM
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Dark smeary picture. Blooms easily. Width bounces allover the place. Look at your tube. Is it dark brown in color on the glass?
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