[Amps] AL-572 Negative grid current?

Scott Manthe n9aa at arrl.net
Sat Nov 11 16:19:42 EST 2006


OK, time for more info. 

After removing all of the tubes, meter readings are OK. Putting one (I 
assume good) tube back in the amp causes the strangeness to begin again. 

Any ideas? 

73,
Scott, N9AA


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