[Amps] Bad 8877?

[Mike McCarthy, W1NR]

Pull the tube. Turn on the power. Does it still blow a fuse?

Mike, W1NR

On 1/1/2022 3:44 PM, Dick NY1E wrote:
> My HB 6M amp now blows the fuse in the HV line. I opened it up and after disconecting the  anode from the circuit, I get abt 12 megohms from the anode to ground. I've never measured one before but assume that is not right and I have a shorted tube. If that's the consensus here I'll open up my HB HF amp and pull that tube to test 6M.Thanks, Dick NY1E
> P.S. I can't complain, I bought the tube for $250 22 years ago....
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