[Henry] Henry 2K-3 amplifier problem

[Leisman]

John:

It's possessed,...., pure and simple, it's possessed.

73's

Dave, W8QW

"john w. king" wrote:

>     I have a henry 2K-e amplifier with two 30500Z tubes and am having
> trouble getting the filaments to light up in both tubes.
>
> I replaced the filament pins on the left tube socket facing the front of the
> amplifier. The left tube did not light up, so I replaced the pins on the
> tube socket.
>
> I then fired up the amplifier and guess what................. the left tube
> lit up, but now the right tube did not light up .
>
> Suspecting that the right tube might be defective, I replaced the tube and
> GUESS WHAT.......the left tube did not light up, but the right one now lit
> up..
>
> As you know, the filaments are in SERIES and the puzzle is why one will
> light up and the other will not. Additionally I am puzzled  as to why one
> tube will light up  and one will not and then when the dark tube is
> replaced, the the one that originally lit up will no longer lightup.
>
> Has anyone had experience with this mysterious problem that has me puzzled?
> Thanks for any assistance or suggestions. 73, john, K5PGW
>
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