Thread: RCA 21CT55 B8802897 is Alive!
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  #135  
Old 12-31-2011, 06:50 PM
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miniman82 miniman82 is offline
First Light: 1952-2011
  
Join Date: Jun 2009
Location: Great Mills, MD
Posts: 4,183
Sounds like your CRT is going soft. A strong tube will not lose emission, even at 5.5 volts on the heaters.
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