Thread: Slow vertical drift
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  #3  
Old 03-08-2009, 12:10 PM
Don Lindsly Don Lindsly is offline
Ex-Philco
  
Join Date: Jul 2005
Location: Colorado
Posts: 450
It's not clear what drifts; size, position, frequency?

If it is vertical hold, replace the 12SN7 and the timing cap off the vertical hold control. When freeze doesn't help, suspect a tube.
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