Thread: CRT Motherload!
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  #8  
Old 12-07-2015, 01:01 PM
David Roper's Avatar
David Roper David Roper is offline
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Join Date: Feb 2005
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10AP4 is a prewar Philco tube. No set that used it was ever made in production quantity so the chance of that tube randomly turning up from a repairman's surplus
is close to nil.
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