Thread: Advice Admiral 12X12 20Z1 low contrast w/ lines
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  #41  
Old 01-22-2021, 04:03 PM
rca21d645 rca21d645 is offline
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Quote:
Originally Posted by Kevin Kuehn View Post
That very well could be the case. But a heater to cathode short should show up on the tester, provided the OP checked for shorts.
I did check for shorts, and none came up. I've been using a Mercury 1000 tube tester as it is the only tube tester I own.
Last edited by rca21d645; 01-22-2021 at 05:03 PM.
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