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6BK4/high voltage regulator tubes
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02-28-2005, 09:52 PM
nasadowsk
Damn does run fast…
Join Date: Jul 2004
Location: Catawissa, PA
Posts: 948
Am I the only one here who finds the 6BK4 a creepy tube, though? I've heard the 'beer bottle' look on used ones is due to X ray bombardment. I've seen them in all sorts of stages of darkness, and it sure doesn't happen evenly...
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