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I got the set and comes to find out the original Zenith 21FBP22 is pretty much dead, no emissions on all three guns, upped the filament voltage on the tester to 8 volts only to find out the emissions go up but down as the tube cools to 6.3 volt temp..
Last edited by tvcollector; 04-05-2012 at 06:51 PM.
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