>Hello! I just purchased a used Commander II 2 meter amp and it runs high
>grid current all the time. About 30 ma at 10 watts drive and 40 ma at 20
>watts drive. I swapped the 3cx800 with a "good one" from a friend and it
>does the same thing. Checked for shorts and ground connections in the final
>compartment but all OK. Replaced the DC blocking doorknob cap and no
>change. The link coupling is very rigid and I doubt it would change much
>from amp to amp or in transport. Get about 450 watts out at 20 watts drive
>and 250 watts out for 10 w drive so think the tube is OK. Help!
? 30mA represents c. half of the rated grid dissipation.
cheers, Eric
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