Thread: Hallicrafters T-67 HV corona ring
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  #4  
Old 01-08-2018, 08:25 PM
old_coot88 old_coot88 is offline
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Join Date: Sep 2009
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Seems like corona rings were gradually phased out, as they're not really needed as long as solder joints are made smooth and ball-shaped with no pointy ends sticking out.
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